Circuit breaker A3792

Circuit breakers A3792B, VA3792, A3792M, A3792BT3, A3792U, VA3792U, A3792BHL3, A3732 designed for the current in the normal mode and selective protection for short circuit, overload unacceptable duration and undervoltage, as well as for infrequent (up to 30 times a day ) operating off electrical circuits with a nominal voltage up to 660 V AC, 50 Hz and 60 Hz. The switches can be equipped with a shunt release, trip unit zero-voltage-free contacts and an electromagnetic drive. The switches are available in fixed and withdrawable versions.   Technical characteristics of circuit breakers:   1. Rated current A 630 (VA3790 up to 800A)   2. Utilization category A.    3. Number of poles 2; 3.    4. The semiconductor release (ER) rated current, 250 A; 400; 630.    5. Adjustable value of nominal operating currents IR, A 160; 200; 250. 250; 315; 400. 400; 500; 630.    6. Initial operation of the current in the current zone congestion times the rated operating current RP 1.25.    7. The setting for the response time in the overload zone currents at a current 6IR, with 4; 8; 16.   8. Settings for the current operation in the area of short-circuit currents that are multiples of the rated operating current 2; 3; 5; 7; 10.   9. Settings for the current operation of the electromagnetic releasers, A 4000; 6300.   10. Rated Operating breaking capacity, kA: - At a nominal voltage of 380 V 56. - At rated voltage 660 V 27.   11. Durability of switches: - The total number of IN 12000 cycles. - The number of cycles under a load of 8000.   12. Dimensions (width x height x depth) mm 225h400h160.   13. Mass (fixed execution), no more than 19.2 kg.      With an electromagnetic drive 26,4 kg.