Molded case circuit breaker GRM3DC

thermal-magneticshort-circuitAC/DC

Through many years of dedicated research on the actual system operation situation and customer needs for new energy at home and abroad, UNITE Electric has developed the GRM3 (DC)-(HU) series of AC and DC Molded Circuit Breakers for New Energy. Product Characteristic – for the GRM3-(HU) series Molded Circuit Breaker, The maximum rated voltage is 1140V, and the maximum current is 400A. – for GRM3-(HU) series Molded Circuit Breaker, in the voltage of 800V, the maximum breaking capacity is 36.5kA, which can ensure reliable short-circuit protection of the system. – for GRM3DC-(HU) series Molded Circuit Breaker, The maximum rated voltage is 1500V, and the maximum current is 400A. – for GRM3DC-(HU) series Molded Circuit Breaker, in the voltage of 1500V, the maximum breaking capacity is 20kA, which can ensure reliable short-circuit protection of the system. Standard GRM3(DC)-(HU) series AC/DC molded case circuit breaker meets the following standards IEC60947-1 GB/T14048.1 General Provisions IEC60947-2 GB/T14048.2 circuit breaker Applied Environment - The altitude is not higher than 2,000 m; - It is resistant to damp air (three-proof type)① - It is resistant to the influence of salt fog and oil fog (three-proof type); - It is resistant to the influence of mold (three-proof type); - In a medium without explosion risk, the medium is not enough to corrode the metal and destroy the insulation of the gas and conductive dust. Note: the three-prevention products should be specially customized, please indicate TH.