HomeYour location:Homespare parts and accessoriesvacuum interrupterGlass vacuum arc extinguishing chamber → BF-40.5/630-20(3010)负荷开关用真空灭弧室
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Product name: BF-40.5/630-20(3010)负荷开关用真空灭弧室
specification: BF-40.5/630-20(3010)负荷开关用真空灭弧室
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Category: spare parts and accessories -- 玻璃真空灭弧室
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Price: factory price
Brand: Shanghai
Place of Origin: China
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Available Quantity: batch
delivery cycle: Spot goods (or inquire by telephone)
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  Shanghai Beiyuan Industry and Trade Co.,Ltd
+86-21-66770508
+86-139101609058

Email 91way@163.com
Wechat 13916500500(Wechat)


BF-40.5/630-20(3010)负荷开关用真空灭弧室Detailed product description:Column tabs
BF-40.5/630-20(3010)负荷开关用真空灭弧室主要技术参数

序号

参数名称

单位

数值

1

额定电压

KV

40.5

2

额定电流

A

630

3

额定闭环开断电流

A

630

4

额定短路关合电流

KA

50

5

额定短路耐受电流(4S)

KA

20

6

额定峰值耐受电流

KA

50

7

额定有功负荷开断电流

A

630

8

额定电缆充电开断电流

A

10

9

短时工频耐受电压(1min)

KV

95

10

额定触头压力下限时的回路电阻

μ Ω

≤40

11

机械寿命

10000

12

触头允许磨损厚度

mm

3

13

触头自闭力

N

100±50

14

额定开距下触头反力

N

150±50


产品配套的真空开关设备的机械特性和机械参数

1

触头开距

mm

16±1

2

平均分闸速度

m/s

1.2±0.2

3

平均合闸速度

m/s

0.8±0.2

4

额定触头压力

N

850±100

5

触头合闸弹跳时间

ms

≤2

6

触头合闸和分闸不同期性

ms

≤1

7

分闸触头反弹幅值

mm

≤1.5

BF-40.5/630-20(3010)负荷开关用真空灭弧室外形尺寸
BF-40.5/630-20(3010)负荷开关用真空灭弧室

BF-40.5/630-20(3010)负荷开关用真空灭弧室
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