Circuit breakers of A3790U series with rated voltage

A3790U series circuit breakers are designed for operation in electrical installations of mine equipment with rated voltage up to 1140 V AC of frequency 50 and 60 Hz and up to 440 V DC. Climatic execution of switches O, placement category 5 according to GOST 15150-69. Switches are designed for carrying current in normal mode and switching off current at short circuits and inadmissible voltage drops, as well as for infrequent (up to 3 per hour) operational switching on and off of electrical circuits. Switches of A3790U series have: <ul> <li>- extended warranty (5 years) due to the reliability of the design and constant quality control.</li> <li>3 poles, electromagnetic current releases, providing protection of the main circuit from short-circuit currents.</li> </ul>