BA55-43 Automatic Circuit Breakers for Reliable Electrical Protection

Switches type VA55-43 are designed for operation in electrical installations with voltage up to 660 V AC frequency 50 and 60 Hz and up to 440 V DC for infrequent (up to 6 times a day) operational switching on and off of electrical circuits, as well as to protect electrical equipment from overloads and short circuits. Circuit breakers of VA53-43 type are current-limiting (application category A), with electromagnetic and electronic releases. Circuit breakers of VA55-43 type have: <ul> <li>- warranty period of 5 years;</li> <li>service life of 15 years;</li> <li>reliability is assessed by the probability of failure-free operation when performing switching operations at load currents and without load currents, as well as when performing protective functions;</li> <li>environmental friendliness of products is confirmed by the absence of hazardous substances for human health and environment. All products have a declaration in accordance with TR TS 037/2016</li> </ul>Switches type VA55-43 can be used: -on objects with sources of shock impacts, on construction...