Wieland RST (Round ST) is a push-in locking industrial power connector used for machine tools, panel wiring, and automation equipment. Available in 2 to 5-pole versions rated up to 20A and 400V.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | L | AC line / phase | PWR |
| 2 | N | AC neutral | PWR |
| 3 | PE | Protective earth | GND |
| 4 | L2 | Second phase 3-phase | PWR |
| 5 | L3 | Third phase 3-phase | PWR |