Overhead line circuit breakers

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vacuum circuit breaker
vacuum circuit breaker
3AP DT

Primary current: 0 A - 3,150 A
VAC: 72.5 kV - 550 kV

... comparison

  • Live tank circuit breakers — 72.5 kV to 1100 kV: modular design; single‑ or three‑pole operation; porcelain or composite insulators; optional closing resistors.
  • Dead tank circuit
...

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Siemens Energy – Power transmission
vacuum circuit breaker
vacuum circuit breaker
3AP DCB series

Primary current: 4,000, 3,150 A
VAC: 145, 420 kV

... high-voltage breakers

  • Live tank circuit breakers (LT) — modular designs for the highest voltages
  • Dead tank circuit breakers (DT) and Dead Tank
...

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Siemens Energy – Power transmission
vacuum circuit breaker
vacuum circuit breaker
ZW20-12

Primary current: 0 A - 500,000 A
VAC: 12,000 V

... ZW20-12 outdoor pole-mounted high-voltage vacuum circuit breaker is a 12 kV three-phase AC, 50 Hz outdoor high-voltage switchgear. It is designed to switch load current, overload current and short- circuit ...

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Sieyuan Electric Co., Ltd
vacuum circuit breaker
vacuum circuit breaker
ZW20

VAC: 12,000 V

... outdoor pole-mounted high-voltage vacuum circuit breaker designed for 12 kV, three-phase AC (50 Hz) distribution systems. It is intended for switching load currents, overloads and short- circuit currents ...

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Sieyuan Electric Co., Ltd
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