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Choosing an Electrical Switch
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Magnetically Actuated Switches
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These switches actuate when a magnet comes within sensing distance, and reset when the magnet moves away. They’re often used to detect when a door or window opens. Mount the switch in a stationary position, such as a door frame, and mount the magnet to a movable object, such as the door. They do not include a safety relay and cannot be used with safety-guard doors found on machinery.
NEMA 4X rated switches are protected from corrosion and washdowns. These switches are also rated IP67 for protection from temporary submersion.
For technical drawings and 3-D models, click on a part number.
Magnetically Actuated Switches | Replacement Magnets | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Circuits Controlled | Switch Starting Position | Industry Designation | Switching Current @ Voltage | Max. Voltage  | Max. Sensing Distance | No. of Wire Leads | Dia. | Lg. | Wd. | Ht. | Each | Each | |||
Plastic Housing with Wire Leads—NEMA 4X, IP67 | |||||||||||||||
| B | 1 | 1 Off (Normally Open) | SPST-NO | 80 mA @ 120 V AC | 250V AC | 0.4" | 2 | __ | 1.13" | 0.71" | 0.25" | 00000000 | 0000000 | 00000000 | 000000 |
| D | 1 | 1 Off (Normally Open) | SPST-NO | 80 mA @ 120 V AC | 250V AC | 0.1" | 2 | 0.24" | 1.12" | __ | __ | 00000000 | 000000 | 00000000 | 00000 |