The Omron D4SLN4AFAN is a guard locking safety-door switch in the D4SL series, with a key-actuated lock, connector termination, and a contact configuration of 2NO/2NC. Rated IP67 for washdown environments and sized at 39mm wide and 39mm deep with a 155mm height, it fits standard safety interlock cutouts. Switching capacity is 1.5 A at 120 V AC or 220 mA at 125 V DC, with an electrical life of 150,000 cycles and mechanical life of 1 million cycles. The head can be oriented in any of four directions, simplifying alignment with guard doors.
Omron D4SLN4AFAN Guard Lock Safety Switch, IP67
MPND4SLN4AFAN
Omron D4SLN4AFAN Guard Lock Safety-Door Switch, 2NO/2NC, IP67, Connector.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Series | D4SL |
| Lock type | Guard Locking |
| Type | Safety-Door Switch |
| Actuation | Key |
| Termination type | Connector |
| Switching voltage - AC | 120 V |
| Switching voltage - DC | 125 V |
| Switching current - AC | 1.5 A |
| Switching current - DC | 220 mA |
| Contact configuration | 2NO;2NC |
| Depth | 39 mm |
| Width | 39 mm |
| Height | 155 mm |
| IP rating | IP67 |
| Service life - electric | 150000 Cycles |
| Number of head directions | 4 |
| Service life - mechanical | 1 Million Cycles |
Product details
MPN
D4SLN4AFAN