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UAN, UAS Air Circuit Breakers

UAN, UAS AC Air circuit breakers are intended for carrying the current in healthy mode and for switching off the currents during short circuit, overload, voltage drop below admissible level, and for infrequent operating closing and openings; they are intended for use in electrical installations with rated voltage up to 690 V AC and frequency 50/60 Hz.

Certificate of Conformity

EAC Certificate

Circuit breakers can be fixed or withdrawable. Depending on the rated currents four ampereframes are distinguished. There are 3P or 4P circuit breakers, with electronic release or without it, etc.

Circuit breakers are of utilization category В (selective).

Circuit breakers comply with the specifications TU 3423-102-05797954-2016.


SHIELD Engineering and manufacturing complex

The manufacturing division performs a complete cycle from welding metal structures for modular enclosures to turn-key ready equipping. The workshops are equipped with state-of-the-art multifunctional manufacturing equipment: automated laser cutting machines,…

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