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 0.11A-25A
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.
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.