Moeller PKZ Motor-Protective Circuit-Breakers PKZ2
Various plug-in trip blocks allow the PKZ 2 to be converted in no time at all. 3-pole and 4-pole trip blocks are available for motor and system protection. Differential signalling clearly indicates the switching states of the circuit-breaker.
modules, voltage releases or trip-indicating auxiliary contacts can be fitted
quickly and easily.
When used in combination with the PKZ 2 basic unit, the ZMR-PKZ 2 plug-in trip block with overload relay function switches off the downstream contactor rather than disconnecting the circuit-breaker in the event of a motor overload. The PKZ 2 thus remains switched on and does not need to be manually reset.
These circuit-breakers protect electrical equipment in the rated current range from 630 to 6300 A. They have digital tripping electronics, which are available in four different versions.
The PKZM 4 also has a switching capacity up to 50 kA. It facilitates engineering. Current limiters become practically obsolete. With just two motor protection variants, the entire range from 0.1 to 65 A is covered. It saves precious inventory space and simplifies the engineering effort.
for abnormally high inrush currents e.g. motors with heavy starting duty
The circuit-breakers NZM1 and NZM2 can be loaded with up to160 A/300 Arated current and safely switch off short-circuit currents up to 150 kA even with their narrowest design
for commercial/light industrial installations with switching surges such as fluorescent lighting or small motors
- A&S Circuit Breakers Co.,Ltd.
- 469 Xinsheng Road, Gaoxin District, Chengdu, China
- Contact Person:Christina
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