Circuit breaker VA3792

SALE AND PRODUCTION OF AUTOMATIC SWITCHES ВА3792, ВА3792Б, ВА3792БР, А3793БТ3, ВА3792БХЛ3, ВА3732Б, ВА3792С FOR NOMINAL CURRENTS 800 А WITH ELECTROMAGNETIC COUPLINGERS. Export.

Automatic switches VA3792, VA3792B, VA3792BR, VA3792BT3, A3793BHL3, VA3732B are designed for conducting current in normal mode and for selective protection in case of short circuits, overloads of unacceptable duration and unacceptable voltage drops, as well as for infrequent (up to 30 times a day) circuits with a nominal voltage of up to 660 V AC at 50 and 60 Hz.

Switches BA3792 can be equipped with an independent release, a zero-voltage release, free contacts and an electromagnetic drive.

Switches are manufactured in stationary and in retractable designs.

Technical characteristics of the switches:

1. Rated current, A 800

2. Application category A.

3. The number of poles.

4. Rated current of the semiconductor release (RP), A 250; 400; 630.

5. Adjustable rated operating currents IR, A 160; 200; 250. 250; 315; 400. 400; 500; 630.

6. Initial operating current in the zone of the overload currents, multiples of the rated working current of RP 1.25.

7. Set-point according to the response time in the zone of overcurrent currents at a current of 6IR, s: 4; 8; 16.

8. Settings for the operating current in the zone of short-circuit currents, multiples of the rated working current 2; 3; 5; 7; 10.

9. Settings for the current tripping of electromagnetic releases, A 4000; 6300.

10. Rated operating short-circuit breaking capacity, kA:

- at a rated voltage of 380 V 57.

- at a nominal voltage of 660 V 28.

11. Wear resistance of switches:

- total number of cycles is 12,000.

- number of cycles of the VO under a load of 8000.

12. Overall dimensions (width x height x depth), mm 225x400x160.

13. Weight (stationary version), not more than 19.0 kg.

     With electromagnetic drive 26,0 kg.