... well-known such manufacturers and suppliers, welcome to order vcb pin plug products from our factory and company.JZ-58 Secondary ... switchgear (for VCB VS1,VD4) as secondary wire connection, its property is accordance with GB standard 3960-91(3-35kV A.C ... .CMechanical life: 2000timesUsage:This series product is used for secondary wire connection of 8BK20 HV switchgear(for VCB 3AF,3AH,ZH65 ...