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| PartNumber | ZE-N21-2S | ZE-N21-2 | ZE-N22-2 |
| Description | Limit Switches SWITCH | Limit Switches Limit SW,Sealed Crossroller | Basic / Snap Action Switches LS RLLR PLNG PF1/2 |
| Manufacturer | Omron | Omron | Omron Automation and Safety |
| Product Category | Limit Switches | Limit Switches | Snap Action, Limit Switches |
| RoHS | Y | - | - |
| Illuminated | Non-Illuminated | Non-Illuminated | - |
| Lamp Type | - | - | - |
| Contact Form | SPDT | - | SPDT |
| Actuator | Roller Plunger | - | Roller Plunger |
| Current Rating | 15 A | - | 15A (AC), 500mA (DC) |
| Voltage Rating AC | 480 VAC | - | 480 V |
| Voltage Rating DC | 250 VDC | - | 250 VDC |
| Termination Style | Screw | - | Screw Terminal |
| IP Rating | IP65 | - | IP65 |
| Series | ZE | - | ZE |
| Brand | Omron Automation and Safety | Omron Electronics | - |
| Actuator Style | Roller Plunger | - | - |
| Product Type | Limit Switches | Limit Switches | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Switches | Switches | - |
| Part # Aliases | ZEN212S | ZEN212 | - |
| Unit Weight | 9.523970 oz | - | - |
| Type | - | - | Enclosed |
| Packaging | - | - | Bulk |
| Mounting | - | - | Panel |
| Mounting Type | - | - | Chassis Mount |
| Features | - | - | - |
| Ingress Protection | - | - | IP65 - Dust Tight, Water Resistant |
| Circuit | - | - | SPDT |
| Actuator Type | - | - | Roller Plunger |
| Switch Function | - | - | On-Mom |
| Operating Force Torque | - | - | 500gf |
| Release Force | - | - | 100gf |
| Pretravel | - | - | 0.040" (1.0mm) |
| Differential Travel | - | - | 0.005" (0.12mm) |
| Overtravel | - | - | 0.138" (3.5mm) |
| Operating Force | - | - | 4.9 N |