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Brand:JUCRO
Description:1. Brief introduction The interrupter from JUCRO electric adoption porcelain and ceramics makes to insulate the outer shell. Contact is WCCu metal alloy material advanced technique of adoption Including bulk small. Breaking the abiliting strong the life span is long maintenance is simple .no explosion dangerous no contaminate and the noise is low . The pack vacuum contactor can operate the ebery kind of electric appliances equipments, and fuse match f-c cabinet
Origin:China Hubei
Model:HCJ3-7.2/630
Port:Shanghai/Ningbo
Payment Terms:T/T
Packaging Details:plywood cases
Product detail:真空管主要技术参数
额定电压：7.2千伏
额定电流：630A
额定电流：6.3KA
额定开断电流：5.04KA
限制开断电流：6.3KA
额定短时耐受电流：6.3KA
额定短时耐受电压：32千伏
额定照明冲击电压：60千伏
最低额定接触力下的电路电阻：≤80μΩ
电气寿命：250,000次
机械寿命：50万次
波纹管和大气层产生的闭合力：70±20 N.
全触发时保持触点打开所需的力：100±30 N.
限制触点磨损：3 mm
内部气压：≤1.33×10-3 Pa
储存期限：20年
