Technical data sheet for the Moeller PKZM0‑6,3 motor protective circuit‑breaker, including ratings, accessories and standards.
The PKZM0‑6,3 is a motor‑protective circuit‑breaker designed for AC‑3 applications up to 690 V. It features screw‑terminal connections, a rated uninterrupted current of 6.3 A, and adjustable overload and short‑circuit release settings.
The document lists available accessories, environmental ratings, terminal capacities, and compliance with IEC/EN standards, UL, CSA and VDE. It also provides dimensional data and mounting options for DIN‑rail installation.
| Rated uninterrupted current (Iu) | 6.3 A |
|---|---|
| Overload release setting range (Ir) | 4 – 6.3 A |
| Short‑circuit release setting (Irm) | 88 A |
| Rated impulse withstand voltage (Uimp) | 6000 V AC |
| Rated operational voltage (Ue) | 690 V AC |
| Degree of protection (IP) | IP20 |
| Operating temperature range | -25 °C to 55 °C |
| Terminal capacity (solid) | 1 × (1‑6) mm² |
The PKZM0‑6,3 is rated for a continuous uninterrupted current of 6.3 A.
Standard auxiliary contact, trip‑indicating auxiliary contact, and shunt/undervoltage release are listed as accessories.
The device has an IP20 protection class, providing protection against direct contact.
It complies with IEC/EN 60947, VDE 0660, UL 508, and CSA C 22.2 No. 14, among others.