3AS4 Series Vacuum Circuit Breaker 264148

3AS4 Series Vacuum Circuit Breaker

3AS4 is 3-phase, 50Hz, 12kV rated voltage, indoor switching apparatus. Automatic Pressure Gelation process is used to embed vacuum interrupter and primary conductive parts and thereby provide the maximum protection against impact, dust and condensation. 3AS4 is competent in frequent operations at rated current and switching high numbers of short-circuit current, and is applicable in severe environmental conditions.