Circuit breaker VA55-41, VA53-41, VA52-41, VA56-41

New Circuit breaker VA55-41, VA53-41, VA52-41, VA56-41
Circuit breaker VA55-41, VA53-41, VA52-41, VA56-41 Circuit breaker VA55-41, VA53-41, VA52-41, VA56-41 Circuit breaker VA55-41, VA53-41, VA52-41, VA56-41 Circuit breaker VA55-41, VA53-41, VA52-41, VA56-41

Sale and manufacture of circuit breakers VA55-41, VA53-41, VA52-41 and VA56-41 for rated current 1250A, 1000A, 800A, 630A, 400A, 250A 660V, 690V, 400V, 380V 50 - 60 Hz 3P - 2P, 440DC. Always in stock all the performances! AUTOMATIC SWITCHES VA55-41 with electronically microprocessor releases, it is also possible to perform with analog (semiconductor) releases. Guarantee for circuit breakers 2 years.

 Automatic circuit breakers VA5541, VA5341 and VA5241 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, and also for infrequent up to 30 times a day of operational disconnections of electrical circuits with a rated voltage up to 690 V AC current frequency of 50 and 60 Hz.

AUTOMATIC VA55-41 - selective with MRI, automatic VA53-41 with MRI and electromagnetic release - high-speed (nonselective), automatic device BA52-41 with electromagnetic release - high-speed (non-selective), switch VA56-41- not automatic - without such releases,

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

Switches VA55-41, VA53-41, VA52-41 and VA56-41 are produced in stationary and in retractable versions.

Technical characteristics of circuit breakers VA55-43 and BA53-43:

1. Rated current, А 1250, 1000, 800, 630, 500, 400, 250.

2. Application category A.

3. Number of poles 2; 3.

4. Rated current of the semiconductor release (MRI), A 1200, 1250, 1500, 1600, 2000.

5. Adjustable rated operating currents IR, A 100-1250.

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 7000; 6300; 4000 and others

Weight: 27 kg

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