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DC Selection Guidelines |
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Product comparison and links to datasheets |
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The open frame solenoid is the simplest solenoid device consisting of an open iron frame, an overmolded or taped coil, and a movable plunger in the center of the coil. Open frame solenoids are the least expensive of all the solenoid types, and are typically selected for applications in which extremely long life and precise positioning are not critical.
Applications for Dormeyer® Products DC open frame devices are numerous. As with all types of solenoids, open frame models are well suited for applications which require either locking or latching functions.
Applications for DC open frame solenoids include residential and commercial door locks, credit card key "smart" locks, self-cleaning oven locks, front-loading washing machine and dishwasher locks, computer cartridge locks, and many more. |
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Recommended Applications |
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(Low cost - high volume) |
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- Appliances
- Printers
- Coin dispensers
- Security door locks
- Cameras
- Storage/retrieval systems
- PC board insertion equipment
- Vending
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Open Frame Solenoid Selection Overview |
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Applications for DC open frame devices are numerous. As with all types of solenoids, open frame models are well suited for applications which require either locking or latching functions. Open frame solenoids are available in a variety of models and sizes. Use the selection chart on page G5 to determine which model offers the desired performance and mechanical specifications. Refer to the individual frame size specification pages for complete performance and mechanical data. Even though Ledex® offers many standard solenoid designs, our customers often require a product with unique features or performance capabilities. If you don't find what you're looking for in the catalog, please give us a call and talk to one of our application engineers. |
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C Frame Solenoid |
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C Frame solenoids consist of a formed C shaped steel frame and solid plunger. Therefore, these solenoids are less efficient and less costly than their Box Frame counterparts. |
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Open Frame Solenoid Construction |
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Open frame solenoids are designed with two frame styles, the C Frame style, in which the coil is enclosed on one side, and the Box Frame style in which the coil is enclosed on two sides. The Box Frame style provides slightly higher force output and is more rugged in design.
Tapped mounting holes are used for easy installation and interchangeability.
Most models have slotted and cross drilled plungers for easy load attachment.
The plunger is zinc chromate plated for corrosion resistance, and provides a low coefficient of friction and long life.
Over molded coils are available in both Box Frame and C Frame solenoids and offer excellent protection from moisture and humidity. Some solenoids are UL recognized. Most have UL recognized coil insulation systems.
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Open Frame Solenoid Principle of Operation |
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The open frame solenoid is the simplest solenoid device consisting of an open iron frame, an exposed coil, and a movable plunger in the center of the coil. |
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Box Frame Solenoid |
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This Box Frame solenoid has a 4- sided closed box frame and solid plunger and is, therefore, more electrically efficient than the C Frame solenoid. The closed, box frame also provides improved mechanical strength. Box Frame solenoids are also referred to as D frame solenoids. The frame encloses four of the six sides of the actuator and provides higher force outputs than a comparable C Frame construction. Models available for use with DC current, continuous and intermittent duty. |
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Metric DC Open Frame Selection Overview
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Size
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Frame
Type
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Coil
Type(1)
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Height
(mm)
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Width
(mm)
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Length
(mm)
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Max.
Stroke
(mm)
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Nominal
Stroke
(mm)
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Typical Force (N)
Nominal Stroke and
100% Rated Voltage
@ 100% Duty 25% Duty
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B4HDM
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Box
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OM
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41.4
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36.8
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55.4
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25.4
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12.7
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3.6
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15.6
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B11M
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Box
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OM
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30.0
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23.9
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47.2
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20.3
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10.2
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0.9
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4.4
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B14M
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Box
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T
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25.9
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20.1
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36.8
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15.2
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5.1
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2.2
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8.5
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B16M
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Box
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T
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12.2
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9.8
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25.1
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3.8
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1.3
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0.4
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1.3
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B17M
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Box
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T
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15.0
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13.0
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24.1
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4.6
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1.3
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0.9
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2.7
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B20M
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Box
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T
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23.9
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20.6
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29.0
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12.7
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6.4
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0.4
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1.8
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B21M
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Box
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T
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33.3
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33.3
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30.5
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12.7
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6.4
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2.7
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9.8
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B22M
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Box
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OM
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37.3
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33.3
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40.9
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25.4
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10.2
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2.7
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9.8
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B27M
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Box
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T
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28.9
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25.4
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41.4
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15.2
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5.1
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4.9
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15.1
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B41M
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Box
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T
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51.6
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43.9
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77.5
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25.4
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12.7
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13.3
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48.9
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B75M
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Box
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T
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27.9
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25.4
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41.4
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15.2
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5.1
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4.9
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15.1
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C5M
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C
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T
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11.7
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10.4
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23.9
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5.1
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1.3
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0.9
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3.1
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C8M
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C
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OM
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20.6
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19.1
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28.7
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12.7
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6.4
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0.2
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1.3
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C9M
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C
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T
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31.8
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35.1
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26.9
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12.7
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6.4
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1.3
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4.4
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C15M
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C
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T
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25.4
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26.9
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29.0
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12.7
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6.4
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0.4
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2.7
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C26M
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C
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OM
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26.9
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21.6
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43.9
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19.1
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12.7
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0.4
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2.2
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C33M
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C
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OM
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29.0
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33.3
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34.5
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12.7
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6.4
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1.3
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4.9
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C34M
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C
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OM
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36.5
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33.3
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42.2
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25.4
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12.7
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0.9
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4.4
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(1) OM = Overmolded; T = Taped
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Imperial DC Open Frame Selection Overview
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Size
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Frame
Type
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Coil
Type(1)
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Height
(inches)
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Width
(inches)
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Length
(inches)
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Max.
Stroke
(inches)
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Nominal
Stroke
(inches)
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Typical Force (N)
Nominal Stroke and
100% Rated Voltage @
100% Duty 25% Duty
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B4HD
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Box
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OM
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1.63
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1.45
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2.18
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1.00
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0.50
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0.8
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3.5
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B11
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Box
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OM
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1.18
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0.94
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1.86
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0.80
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0.40
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0.2
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1.0
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B14
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Box
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T
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1.02
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0.79
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1.45
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0.60
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0.20
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0.5
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1.9
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B16
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Box
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T
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0.48
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0.39
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0.99
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0.15
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0.05
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0.1
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0.3
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B17
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Box
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T
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0.59
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0.51
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0.79
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0.18
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0.05
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0.2
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0.6
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B20
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Box
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T
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0.94
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0.81
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1.14
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0.50
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0.25
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0.1
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0.4
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B21
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Box
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T
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1.31
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1.31
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1.20
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0.50
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0.25
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0.6
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2.2
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B22
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Box
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OM
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1.47
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1.31
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1.61
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1.00
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0.40
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0.6
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2.2
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B27
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Box
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T
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0.93
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0.81
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1.62
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0.4
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0.2
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0.3
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0.7
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B41
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Box
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T
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2.03
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1.73
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3.05
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1.00
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0.50
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3.0
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11.0
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B75M
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Box
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T
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1.14
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1.00
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1.63
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0.60
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0.20
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1.1
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3.4
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C5
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C
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T
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0.46
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0.41
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0.94
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0.20
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0.05
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0.2
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0.7
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C8
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C
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OM
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0.81
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0.75
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1.13
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0.50
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0.25
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0.05
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0.3
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C9
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C
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T
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1.25
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1.38
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1.06
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0.50
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0.25
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0.3
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1.0
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C15
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C
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T
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1.00
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1.06
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1.14
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0.50
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0.25
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0.1
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0.6
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C26
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C
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OM
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0.90
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0.85
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1.73
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0.75
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0.50
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0.1
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0.5
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C33
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C
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OM
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1.14
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1.31
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1.36
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0.50
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0.25
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0.3
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1.1
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C34
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C
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OM
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1.44
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1.31
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1.66
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1.00
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0.50
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0.2
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1.0
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(1) OM = Overmolded; T = Taped
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Metric Magnetic Latching DC Open Frame Selection
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Size
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Frame
Type
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Coil
Type(1)
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Height
(mm)
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Width
(mm)
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Length
(mm)
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Max.
Stroke
(mm)
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Nominal
Stroke
(mm)
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Typical Force (N)
Nominal Stroke(2) and
100% Rated Voltage
@ 25% Duty
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B14M-L
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Box - Latching
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T
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25.9
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20.1
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36.8
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15.2
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2.5
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8.9
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B16M-L
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Box - Latching
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T
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12.2
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9.9
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25.1
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3.8
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1.3
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0.7
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B17M-L
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Box - Latching
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T
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15.0
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13.0
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20.0
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4.1
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2.0
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0.9
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B22M-L
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Box - Latching
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OM
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37.3
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33.3
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40.9
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8.9
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2.5
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14.7
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C5M-L
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C - Latching
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T
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11.7
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10.4
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23.9
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5.1
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1.3
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1.8
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(1) OM = Overmolded; T = Taped
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(2) Using flat face plunger
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| Imperial Magnetic Latching DC Open Frame Selection |
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Size
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Frame
Type
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Coil
Type(1)
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Height
(inches)
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Width
(inches)
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Length
(inches)
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Max.
Stroke
(inches)
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Nominal
Stroke
(inches)
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Typical Force
(lbs) Nominal Stroke(2)
and 100% Rated Voltage
@ 25% Duty
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B14-L
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Box - Latching
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T
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1.02
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0.79
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1.45
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0.6
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0.10
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2
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B16-L
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Box - Latching
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T
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0.48
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0.39
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0.99
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0.15
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0.05
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0.15
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B17-L
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Box - Latching
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T
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0.59
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0.51
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0.79
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0.16
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0.08
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0.2
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B22-L
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Box - Latching
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OM
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1.47
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1.31
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1.61
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0.35
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0.10
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3.3
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C5-L
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C - Latching
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T
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0.46
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0.41
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0.94
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0.20
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0.05
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0.4
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| (1) OM = Overmolded; T = Taped |
| (2) Using flat face plunger |
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File Format Help
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ZIP: Some files need to be unzipped. Unzip utilities available for download for Windows / Macintosh.
For technical difficulties with this page contact us here.
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L319
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