8BK20 空气绝缘开关柜

产品介绍

  • 最大 12 kV

  • 最大 50kA

  • 最高 4000 A

  • 通过型式试验,金属铠装

  • 可移式真空断路器

  • 人身安全

  • 统一柜宽

  • 维护方便


Feature

  • Rated voltage 12kV.

  • Max. rated breaking current 50kA.

  • Max. rated current 4000A.

  • Switchgear passed the type test with metal encladed.

  • Withdrawable circuit breaker.

  • Safety for operator.

  • Same width.

  • Convenient maintenance.


技术参数 Technical data

额定电压

Rated voltage

kV

12

额定频率

Rated frequency

Hz

50

额定短时工频耐受电压

Rated power-frequency withstand voltage, to earth and between phases

kV

42

额定雷电冲击耐受电压

Rated lightening impulse withstand voltage, to earth and between phases

kV

75

额定短路开断电流,最大

Rated short-circuit breaking current

kA

50

额定短时耐受电流 (3 s),最大

Rated short time withstand current(3s),max

kA

50

额定短路关合电流,最大

Rated short-circuit making current

kA

125

额定峰值电流,最大

Rated peak withstand current

kA

125

母线额定电流

Rated main busbar current

A

1250;2500;3150;4000

馈线额定电流

Rated feeder current

A

1250;2500;3150;4000