Shanghai people Electric Appliance Factory   

Zhengzhou is the largest production scale DW45-2000/630A (3 pole drawer and fixed DW45-2000 universal circuit breaker DW45-2000A universal circuit breaker DW45 series intelligent air circuit breaker is used for control and protection of low voltage distribution network. General installation in low voltage power distribution cabinet as plays the role of general protection switch. Rated current of 1000A and circuit breaker below, also can be used for motor protection. The product can provide a wet tropical type (TH type), ship type and class 1E circuit breaker, provide low temperature to -40 Deg. C circuit breaker, and can provide a liquid crystal display and digital display circuit breaker. "China famous brand" products. Intelligent, zero arc, with isolation function; High breaking and short-time withstand ability; With overload long delay, short-circuit short delay, instantaneous short circuit and ground fault function (optional); The drawer seat "connection", "test" and "separation" of the three position indication; Can realize the intelligent network monitoring, can be used in Modbus, Profibus, Devicenet, CAN and TCP communication protocol, is convenient for users to carry out integrated management; Can be equipped with FDM3 short message notification module, remote alarm and monitoring; With IEC60947-2, GB14048.2 standard; The circuit breaker by the national mandatory product certification mark "CCC". 2 of the normal working conditions and installation conditions The circuit breaker may be in the surrounding air temperature of -5 to +40 DEG C under the conditions of operation (more than +40 DEG to +60 DEG C see circuit breaker in the sample derated coefficient); The location of the installation elevation not exceeding 2000m; The relative humidity of the air installation location at the highest temperature is +40 DEG C of not more than 50%; the relative humidity in the lower temperature to a higher, up to 90% for 20 degrees, due to temperature change occasionally produce gel, should take special measures; Pollution level 3; Installation categories circuit breaker main circuit and under voltage release coil, power transformer primary coil for IV, other auxiliary circuit, control circuit installation category iii; Circuit breaker is applicable to the electromagnetic environment of A; Marine and tropical type circuit breaker can withstand moist air, salt fog and mold; Marine type circuit breaker can work reliably under normal vibration of ship; 1E circuit breakers can tolerate the environmental impact of nuclear industry; The circuit breaker shall be installed according to the requirements of manual installation. Circuit breaker vertical inclination of not more than 5 degrees, the ship with the circuit breaker does not exceed 22.5 degrees; The circuit breaker shall be installed in no danger of explosion and no conductive dust, without sufficient insulation metal corrosion and damage to the local; Circuit breaker is arranged in the cabinet body chamber,

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