SPDT momentary snap acting switch featuring a pin plunger actuator for panel mounting. Rated for 5A at 28VDC and 115VAC, with a maximum operating temperature of 125°C and a minimum of -55°C. Offers a mechanical life of 80,000 cycles and utilizes silver contacts. Mounting options include chassis mount, screw, and solder, with solder termination. Approvals include UL and CSA.
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Honeywell 21SM284 technical specifications.
| Actuator Type | PIN PLUNGER |
| Approvals | UL, CSA |
| Contact Material | Silver |
| Current Rating | 5A |
| Max Operating Temperature | 125°C |
| Min Operating Temperature | -55°C |
| Max Voltage Rating (AC) | 115V |
| Max Voltage Rating (DC) | 30V |
| Mechanical Life | 80000Cycles |
| Mount | Chassis Mount, Screw, Solder |
| Number of Poles | 1 |
| Number of Positions | 2 |
| Operating Force | 139N |
| Operating Position | 0.015inch |
| Orientation | Straight |
| Package Quantity | 20 |
| Packaging | Bulk |
| Reach SVHC Compliant | Unknown |
| RoHS Compliant | No |
| Sealable | No (Without) |
| Series | SM |
| Switch Function | On-Mom |
| Termination | Solder |
| Throw Configuration | SPDT |
| Voltage Rating (AC) | 115V |
| DC Rated Voltage | 28V |
| Weight | 272g |
| RoHS | Not Compliant |
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