VACUUM CIRCUIT-BREAKER 12KV POLE-CENTRE DISTANCE 210MM 31.5KA 1250A WITH 1ST SHUNT RELEASE WITH VARISTOR CIRCUITRY DC >= 60V WITH CLOSING SOLENOID DC 110V, VOLTAGE OF 1ST SHUNT RELEASE DC 110V, . WITH OPERATING CYCLE COUNTER WITH MOTOR OPERATED STORED- ENERGY MECHANISM DC 110V WITH AUXILIARY SWITCH 6NO+6NC WITH 24-POLE PLUG WITH MECHANICAL INTERLOCKING MOTOR AND TRIPPING ON WIRED TO LOWER PLUG PART, AUXILIARY SWITCH NOT WIRED RATING PLATE AND INSTRUCTIONS IN ENGLISH, FREQUENCY OF SECONDARY VOLTAGE 50HZ