M8 4-pin safety door switches monitor machine guard door position and provide dual-channel safety outputs to stop machinery when guards are opened, meeting ISO 14119 guard locking requirements.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | VCC | 24V DC supply | PWR |
| 2 | OUT1 | Safety output channel 1 | I/O |
| 3 | GND | Ground | GND |
| 4 | OUT2 | Safety output channel 2 | I/O |