Circuit breaker VA50-43
Sale of circuit breakers VA55-43, VA52-43, VA53-43 and VA56-43 for rated current 1200A, 1250A, 1500A, 1800А, 1600A, 1000А and 2000A. Always in stock all the performances! Selling breaker VA5543. Buy the automatic switch VA55-43-374730 2000A. VA55-43-34-4730-20UHL3 new.
1) Versions of three-pole selective circuit breakers VA55-43 AC with micro processor release:
VA55-43-340010- automatic switch, selective, stationary, front or rear connection, without additional assembly units
VA55-43-341110- automatic switch selective, stationary, front or rear connection, with auxiliary contacts, drive manual
VA55-43-341210- automatic switch selective, stationary, front or rear connection, with an independent release, drive manual
VA55-43-341810- automatic selective switch, stationary, front or rear connection, with auxiliary contacts and an independent release, manual drive
VA55-43-344710- automatic selective switch, stationary, front or rear connection, with auxiliary contacts, alarm contact and independent release, manual drive
VA55-43-342510- automatic selective switch, stationary, front or rear connection, with auxiliary contacts, independent release, zero voltage release, manual drive
VA55-43-342530- selective switch, stationary, front or rear connection, with auxiliary contacts, an independent release, a zero-voltage release and an electric drive
VA55-43-341830- automatic selective switch, stationary, front or rear connection, with auxiliary contacts, independent release and electromagnetic drive
VA55-43-344630, ВА55-43-334630, ВА55-43-354630- selective switch, stationary, front or rear connection, with auxiliary contacts, alarm contact and electromagnetic drive
VA55-43-344730, ВА55-43-334730, ВА55-43-354730, ВА55-43-374730- automatic selective switch, stationary, front or rear connection, with auxiliary contacts, alarm contact, independent release and electromagnetic drive
VA55-43-340050 - automatic switch selective, retractable, rear connection, without additional assembly units, drive manual
VA55-43-341150- automatic selective switch, retractable, rear connection ,, with auxiliary contacts, manual drive
VA55-43-341250- automatic selective switch, retractable, rear connection, with an independent release, drive manual
VA55-43-341850- automatic selective switch, retractable, rear connection, with auxiliary contacts and an independent release, manual drive
VA55-43-344750- automatic selective switch, retractable, rear connection, with auxiliary contacts, alarm contact and independent release, manual drive
VA55-43-341870- automatic selective switch, retractable, rear connection, with auxiliary contacts, independent release and electromagnetic drive
VA55-43-344670, ВА55-43-334670, ВА55-43-354670 - automatic switch selective, stationary, front or rear connection, with auxiliary contacts, alarm contact and electromagnetic drive
VA55-43-344770, VA53-41-334770, VA53-41-354770-automatic selective switch, stationary, front or rear connection, with auxiliary contacts, alarm contact, independent release and electromagnetic drive
2) Versions of two pole selective circuit breakers VA55-43 DC with micro processor release:
VA55-43-840010, VA55-43-850010- automatic selective switch, stationary, front or rear connection, without additional assembly units
VA55-43-841110, VA55-43-851110- automatic switch selective, stationary, front or rear connection, with auxiliary contacts, drive manual
VA55-43-841210- automatic switch selective, stationary, front or rear connection, with an independent release, drive manual
VA55-43-841810, VA55-43-851810- automatic switch selective, stationary, front or rear connection, with auxiliary contacts and an independent release, drive manual
VA55-43-844710, VA55-43-854710- automatic selective switch, stationary, front or rear connection, with auxiliary contacts, alarm contact and independent release, manual drive
VA55-43-841830- automatic selective switch, stationary, front or rear connection, with auxiliary contacts, independent release and electromagnetic drive
VA55-43-844730, ВА55-43-834730, ВА55-43-854730- selective switch, stationary, front or rear connection, with auxiliary contacts, alarm contact, independent release and electromagnetic drive
3) Versions of three-pole high-speed automatic circuit breakers VA53-43 AC with micro processor and electromagnetic trip units:
VA53-43-340010- automatic selector switch, stationary, front or rear connection, without additional assembly units
VA53-43-341110- automatic switch selective, stationary, front or rear connection, with auxiliary contacts, drive manual
VA53-43-341210- automatic switch selective, stationary, front or rear connection, with an independent release, drive manual
VA53-43-341810- automatic selector switch, stationary, front or rear connection, with auxiliary contacts and an independent release, manual drive
VA53-43-344710- automatic selector switch, stationary, front or rear connection, with auxiliary contacts, alarm contact and independent release, manual drive
VA53-43-342510- automatic selective switch, stationary, front or rear connection, with auxiliary contacts, independent release, zero-voltage release, manual drive
VA53-43-342530- automatic selective switch, stationary, front or rear connection, with auxiliary contacts, an independent release, a zero voltage release and an electric drive
VA53-43-341830- automatic selective switch, stationary, front or rear connection, with auxiliary contacts, independent release and electromagnetic drive
VA53-43-344630, VA53-43-334630- selective switch, stationary, front or rear connection, with auxiliary contacts, alarm contact and electromagnetic drive
VA53-43-344730, VA53-43-334730, VA55-43-374730- automatic selective switch, stationary, front or rear connection, with auxiliary contacts, alarm contact, independent release and electromagnetic drive
VA53-43-340050 - automatic switch selective, retractable, rear connection, without additional assembly units, drive manual
VA53-43-341150- automatic selective switch, retractable, rear connection, with auxiliary contacts, manual drive
VA53-43-341250- automatic selector switch, retractable, rear connection, with an independent release, drive manual
VA53-43-341850- automatic selective switch, retractable, rear connection, with auxiliary contacts and an independent release, manual drive
VA53-43-344750- automatic selective switch, retractable, rear connection, with auxiliary contacts, alarm contact and independent release, manual drive
VA53-43-341870- selective switch, retractable, rear connection, with auxiliary contacts, independent release and electromagnetic drive
VA53-43-344770, VA53-43-334770-automatic selective switch, stationary, front or rear connection, with auxiliary contacts, alarm contact, independent release and electromagnetic drive
4) Versions of two-pole high-speed automatic circuit breakers VA53-43 DC with micro processor and electromagnetic releases:
VA53-43-840010, VA53-43-850010- selective switch, stationary, front or rear connection, without additional assembly units
VA53-43-841110, VA53-43-851110-automatic selective switch, stationary, front or rear connection, with auxiliary contacts, manual drive
VA53-43-841210- automatic selector switch, stationary, front or rear connection, with an independent release, manual drive
VA53-43-841810, VA55-43-851810- selective circuit-breaker, stationary, front or rear connection, with auxiliary contacts and an independent release, manual drive
VA53-43-844710, VA55-43-854710- automatic selective switch, stationary, front or rear connection, with auxiliary contacts, alarm contact and independent release, manual drive
VA53-43-841830- automatic selective switch, stationary, front or rear connection, with auxiliary contacts, independent release and electromagnetic drive
VA53-43-844730, ВА55-43-834730, ВА55-41-854730- selective switch, stationary, front or rear connection, with auxiliary contacts, alarm contact, independent release and electromagnetic drive
5) Versions of three-pole high-speed automatic circuit breakers VA52-43 AC with electromagnetic release:
VA52-43-320010- automatic switch, selective, stationary, front or rear connection, without additional assembly units
VA52-43-321110- automatic switch selective, stationary, front or rear connection, with auxiliary contacts, drive manual
VA52-43-321210- automatic switch selective, stationary, front or rear connection, with an independent release, drive manual
VA52-43-321810- automatic switch selective, stationary, front or rear connection, with auxiliary contacts and an independent release, drive manual
VA52-43-324710- automatic selector switch, stationary, front or rear connection, with auxiliary contacts, alarm contact and independent release, manual drive
VA52-43-322510- automatic selective switch, stationary, front or rear connection, with auxiliary contacts, independent release, zero voltage release, manual drive
VA52-43-322530- selective switch, stationary, front or rear connection, with auxiliary contacts, an independent release, a zero voltage release and an electric drive
VA52-43-321830- automatic selective switch, stationary, front or rear connection, with auxiliary contacts, independent release and electromagnetic drive
VA52-43-324730, VA52-43-324730- automatic selective switch, stationary, front or rear connection, with auxiliary contacts, alarm contact, independent release and electromagnetic drive
VA52-43-340050 - automatic switch selective, retractable, rear connection, without additional assembly units, drive manual
VA52-43-341150- automatic selective switch, retractable, rear connection ,, with auxiliary contacts, drive manual
VA52-43-341250- automatic selective switch, retractable, rear connection, with an independent release, drive manual
VA52-43-341850- automatic selective switch, retractable, rear connection, with auxiliary contacts and an independent release, manual drive
VA52-43-344750- automatic selective switch, retractable, rear connection, with auxiliary contacts, alarm contact and independent release, manual drive
VA52-43-341870- selective switch, retractable, rear connection, with auxiliary contacts, independent release and electromagnetic drive
VA52-43-344770, VA53-43-334770- selective switch, stationary, front or rear connection, with auxiliary contacts, alarm contact, independent release and electromagnetic drive
6) Versions of two-pole high-speed automatic circuit breakers VA53-43 AC with micro processor and electromagnetic trip units:
VA53-43-840010, VA53-43-850010- selective switch, stationary, front or rear connection, without additional assembly units
VA53-43-841110, VA53-43-851110-automatic selective switch, stationary, front or rear connection, with auxiliary contacts, manual drive
VA53-43-841210- automatic selector switch, stationary, front or rear connection, with an independent release, manual drive
VA53-43-841810, VA55-43-851810- selective circuit-breaker, stationary, front or rear connection, with auxiliary contacts and an independent release, manual drive
VA53-43-844710, VA55-43-854710- automatic selective switch, stationary, front or rear connection, with auxiliary contacts, alarm contact and independent release, manual drive
VA53-43-841830- automatic selective switch, stationary, front or rear connection, with auxiliary contacts, independent release and electromagnetic drive \
VA53-43-844730, VA55-43-834730, VA55-43-854730- selective switch, stationary, front or rear connection, with auxiliary contacts, alarm contact, independent release and electromagnetic drive
Technical description: Circuit breakers VA50-43 for rated current up to 2000 A are equipped with semiconductor, microprocessor and electromagnetic releases. Circuit breakers VA50-41 2-pole are manufactured for constant and alternating currents (Hz 50, 60). Circuit-breakers VA50-41 3-pole, are made on an alternating current.
Automatic circuit breakers are designed to conduct current in normal mode and protect against overloads of unacceptable duration, with short circuits and unacceptable voltage drops, and for infrequent, up to 20 times a day, operational tripping of electrical circuits with a rated voltage of up to 660 VAC of frequency 50 and 60 Hz and up to 440 VDC. AC automatic circuit breakers can also be used for protection and infrequent direct starts of asynchronous motors in the application category of AC-3. Circuit-breakers are produced by thermal and electromagnetic maximum releases, only with electromagnetic maximum current releases and without maximum current releases. The circuit breakers can be equipped with a minimum voltage release, an independent release, free contacts and an electromagnetic drive. Automatic are produced in a stationary version - front, rear and combined connection and in retractable design.
Technical characteristics of circuit breakers VA50-43:
1. Rated current 2000A.
2. Number of poles 2; 3.
3. Rated currents of semiconductor releases 1250А, 1500А, 1600А, 2000А
4. The setting for the initial pickup current in the zone of the overload currents, a multiple of the rated current of the release 1.25.
5. Settings for the current of operation of electromagnetic maximum current releases up to 14000A.
6. Rated operating short-circuit breaking capacity, kA: at a rated voltage of 380 V AC 25, at a nominal voltage of 660 V AC 19, at a nominal voltage of 440 VDC 50.
7. Wear resistance of circuit breakers - total number of cycles of VO 3000, number of VO cycles under load 1500.
8. Weight (stationary version) - 59.0 kg.