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GC5-630A (12 pieces) plum-shaped contacts
The GC5-630A (12-pole) plum-blossom contact has been successfully developed in-house based on the digestion and absorption of ABB’s product technology, achieving complete domestic substitution for imported counterparts. It is widely used in handcart-type circuit breakers such as the ZN63 (VS1, VB1). Its performance complies with the requirements of GB 3906-1991 “AC Metal-Enclosed Switchgear for 3–35 kV.”
Technical Specifications
Installation Diagram for Circular Bundled Contacts of VS1 and VD4 Siemens Circuit Breakers and Handcart Cabinets
■Uniform pressure from the annular spring
■ Uses imported non-magnetic stainless steel to eliminate eddy currents.
■ Brush-plated thick silver, with strong wear resistance
■ Anti-discoloration treatment to prevent oxidation and flaking of the silver layer
■ Reference dimension for the insertion depth of the stationary contact: 34 ± 2 mm
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Email:18080986666@163.com
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