M12 K-coded connectors carry AC mains power (up to 250V 4A) to field devices, motors, and actuators. The K-code keying prevents mating with DC-rated A/B/D coded M12 connectors for safety.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | L | AC live phase | PWR |
| 2 | N | AC neutral | PWR |
| 3 | PE | Protective earth | GND |
| 4 | NC | Not connected | I/O |
| 5 | NC | Not connected | I/O |
M12 K-coded connectors carry AC mains power (up to 250V 4A) to field devices, motors, and actuators. The K-code keying prevents mating with DC-rated A/B/D coded M12 connectors for safety.