| PartNumber | D4NL-1BFB-B | D4NL-1BFA-B |
| Description | Limit Switches Safety Interlock Switch | Limit Switches Interlock |
| Manufacturer | Omron | Omron |
| Product Category | Limit Switches | Limit Switches |
| RoHS | Y | Y |
| Illuminated | Non-Illuminated | Non-Illuminated |
| Lamp Type | - | - |
| Series | D4NL | D4NL |
| Brand | Omron Automation and Safety | Omron Automation and Safety |
| Product Type | Limit Switches | Limit Switches |
| Factory Pack Quantity | 1 | 1 |
| Subcategory | Switches | Switches |
| Part # Aliases | 657399 D4NL1BFBB | 430497 D4NL1BFAB |
| Contact Form | - | DPDT |
| Current Rating | - | 10 A |
| Voltage Rating AC | - | 230 VAC |
| Voltage Rating DC | - | 24 VDC |
| Termination Style | - | Screw |
| Mounting | - | Conduit (1/2 in) |