Danfoss FC frequency converter series uses screw terminal blocks for AC input (L1 L2 L3), DC bus (P N), and motor output (U V W) connections rated for three-phase 200-690V and currents from 0.25A to 1600A.
| Pin | Name | Function | Type |
|---|---|---|---|
| L1 | L1 | AC supply phase 1 | PWR |
| L2 | L2 | AC supply phase 2 | PWR |
| L3 | L3 | AC supply phase 3 | PWR |
| PE | PE | Protective earth | GND |
| U | U | Motor output phase U | PWR |
| V | V | Motor output phase V | PWR |
| W | W | Motor output phase W | PWR |
| P | DC+ | DC bus positive | PWR |
| N | DC- | DC bus negative | GND |