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Specifications
1.3C CE CERTIFICATION2.rated current:63A~3150A
3.rated voltage:DC220/440v AC380V/660V
4.made by ourselves
1.1)International standard
IEC 60947-1(1998)
IEC 60947-3(1999)
2).National standard
GB/14048.1-2000
GB/T14048.3-2002
2.Characteristics of products
1)The elasticaccumulating accelerating mechanism for instant release realize the rapid making and breaking (13.8m/s), having no relationship with the speed of the operating handle,and increasing greatly the capability of extinguishing electric arc.
2)The shell made of unsaturated polyester resin reinforced by glass fiber possesses excellent performance of flame resistant, dialectic performance, safe operation, resist carbonic performance and resist impact performance.
3)Parallel double gap contact possesses self cleaning functions.
4)All the contact materials are copper alloy plated with silver, and possess two separation contact surfaces.
5)Large clearance of insulation.
6)Be on "0", the products can lock the handle with three locks at the same time and thus can avoid error operation.
3.Product usage
QGL series load isolation switch mainly suitable for AC50Hz, rated voltage to 660V. DC rated voltage up to 440V, rated current up to 3150A. The switch is used in the infrequent making and breaking circuit
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