DZS8(3RV) series circuit breakers are mainly used for the overload, short-circuit and phase -failure protection for motors in the circuit of AC 50/60Hz, rated operating voltage up to 660V, rated operating current from 0.11A to 25A. They can be also used for circuit protection in the circuit of
Model and meaning
The recommended data for four-phase standard electromotor under the condition of AC50Hz, 400V. What affects the product most is the factual starting data and rated data of the protected electomotor.
External fixing dimension
1. 2-pole side supplementary switch;
2. signal switch or 4-pole side supplementary switch;
3. supplementary releaser;
4. transverse supplementary contact;
5. patching slice for screw installation;
6. punching template;
7. 35mm standard installation guideway;
8. lock the locationof breaking the diameter of the staple is 3.5mm or 4.5mm.