| PartNumber | ZE-NA2-2S | ZE-NA277-2G | ZE-NA277-2S |
| Description | Limit Switches ROLLER ARM LEVR SPDT | Limit Switches LIMIT SWITCH | Limit Switches SWITCH |
| Manufacturer | Omron | Omron | Omron |
| Product Category | Limit Switches | Limit Switches | Limit Switches |
| RoHS | Y | Y | Y |
| Illuminated | Non-Illuminated | Non-Illuminated | Non-Illuminated |
| Lamp Type | - | - | - |
| Contact Form | SPDT | SPDT | SPDT |
| Actuator | Roller Lever | Roller Lever | Roller Lever |
| Current Rating | 15 A | 15 A | 15 A |
| Voltage Rating AC | 480 VAC | 480 VAC | 480 VAC |
| Voltage Rating DC | 250 VDC | 250 VDC | 250 VDC |
| Operating Force | 6.4 N | - | - |
| Termination Style | Screw | Screw | Screw |
| Mounting | Panel | - | - |
| IP Rating | IP65 | IP65 | IP65 |
| Series | ZE | ZE | ZE |
| Type | Enclosed Limit Switch | - | - |
| Brand | Omron Automation and Safety | Omron Automation and Safety | Omron Automation and Safety |
| Actuator Style | Roller Lever | Roller Lever | Roller Lever |
| Product Type | Limit Switches | Limit Switches | Limit Switches |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Switches | Switches | Switches |
| Part # Aliases | 1505750 ZENA22S | ZENA2772G | ZENA2772S |
| Unit Weight | 9.523970 oz | 9.523970 oz | 9.523970 oz |