Circuit breaker A3791UU5
Sale and manufacture of automatic switches А3791УУ5 (А3791У, А3791У05, А3791УО5) 630A, 800A, 400A 440V DC in Europe - coal. Ready-made products are always available!
Automatic switches A3791UU5, VA3791U05, mine (mine) versions are designed to conduct 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) operational tripping of electrical circuits with rated voltage up to 1140 V AC frequency of 50 and 60 Hz.
Switches can be equipped with an independent release, a zero-voltage release and free contacts.
Switches A3791U are produced in stationary version for direct and alternating current.
Technical characteristics of the switches:
1. Rated current, A 630, 800.
2. Application category A.
3. The number of poles 3.
4. Settings for the current tripping of electromagnetic releases, A 1200; 1600; 2000; 2500A; 3200; 4000; 5000; 6300 (or any other at the request of the customer).
5. Rated operating short-circuit breaking capacity, kA:
- at a nominal voltage of 1140 V 27.
6. Wear-resistant switches:
- total number of cycles is 12,000.
- number of cycles of the VO under a load of 8000.
7. Overall dimensions (width x height x depth), mm 225х400х160.
8. Weight (stationary version), not more than 18,2 kg.
