Manually-operated circuit breakers

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vacuum circuit breaker
vacuum circuit breaker
OVCB

Primary current: 600 A - 3,000 A
VAC: 4.16 kV - 40.5 kV
VDC: 110 V - 220 V

... Requirements for AC circuit breakers, including many outdoor vacuum breaker designs.
·IEC 62271-1 – General requirements for high-voltage switchgear and controlgear.
·IEEE C37.04 – Defines ratings ...

vacuum circuit breaker
vacuum circuit breaker
VN

Primary current: 630 A - 4,000 A
VAC: 12 kV - 40.5 kV

... procedures for circuit breakers.

Typical Installation
A withdrawable indoor VCB is usually installed inside a metal-clad switchgear lineup, where it occupies a dedicated breaker ...

thermal-magnetic circuit breaker
thermal-magnetic circuit breaker
PR series

Primary current: 80 A - 125 A
VAC: 230 V - 400 V

... Circuit breakers PR121 - PR122 - PR123 - PR124 series 1- to 4-pole circuit breakers, from 80 to 125 A. B and C curves. ...

thermal-magnetic circuit breaker
thermal-magnetic circuit breaker
EFD3 series

Primary current: 0.25 A - 25 A

... EFD3 series three pole, magnetothermic breakers are used for command (start - stop) and protection of three-phase motors. Circuit breaker with adjustable magnetothermic protection and external control ...

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