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Product name:
ZN82-12真空断路器
specification:
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Category:
High voltage electrical appliances
--
户内真空断路器
Price:
factory price
Brand:
Shanghai
Place of Origin:
China
Available Quantity:
batch
delivery cycle:
Spot goods (or inquire by telephone)
Shanghai Beiyuan
Industry and Trade Co.,Ltd
+86-21-66770508
+86-139101609058
91way@163.com
13916500500
(Wechat)
ZN82-12真空断路器
Detailed product description:
ZN82-12真空断路器采用世界上先进的小型化,高功能灭弧室制造技术。触头用低截流水平的铜铬合金,截流小(3.5A以下),操作过电压小于2.0倍。触头部形状刻意加工,31.5kA以下采用纵向旋转磁场灭弧,40kA以上采用横向旋转磁场灭弧,可防止触头表面局部过热,减少触头磨损,延长触头寿命,额定短路电流开断次数不少于100次。
ZN82-12真空断路器配用电动机弹簧式操动机构,交直流电源两用,操作电流小,弹簧储能时间小于5s,适合于频繁操作场合。
操动机构与主开关本体配置合理,机械性能稳定可靠,弹跳小于2ms,机械寿命达3万次。
断路器辅助功能完备:自带防跳功能和低电压电容脱扣器,辅助开关多达三付,预留接点多,可作备用。二次触头接点有64对,且与手车位置有可靠的机械联锁,同时,控制电源交、直流均可,适应性强。
40kA的真空断路器,由于灭弧室设计结构先进,制造精良,仍具有快速重合闸功能(O-0.3S-CO-180S-CO)。
ZN82-12真空断路器
(schematic diagram)
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