Wiring manual for Moeller PKZM01, PKZM0 and PKZM4 motor-protective circuit-breakers, covering installation, contacts, releases and schematics.
The manual provides an overview of the Moeller motor‑protective circuit‑breakers PKZM01, PKZM0 and PKZM4, describing their function, protection features and modular accessories. It explains the bimetallic releases, auxiliary contacts, undervoltage and shunt releases, and the wiring of starter combinations.
Detailed wiring diagrams and operating‑principle schematics are included for each model, as well as information on the related PKZ2 series, current‑limiter modules and ATEX‑certified configurations. The document also lists calculation examples for grouped protection and current‑limiting.
| Rated current PKZM0 | up to 32 A |
|---|---|
| Rated current PKZM4 | up to 63 A |
| Short‑circuit release setting | 14 × Iu |
| Current limiter continuous rating | 63 A |
The CL‑PKZ0 is a current‑limiter module that provides short‑circuit protection and can be combined with PKZM0 or PKZM4 for individual or group protection.