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SF-MV SF6 Circuit Breakers up to 40.5 kV
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Specification of

SF-MV SF6 Circuit Breakers up to 40.5 kV
MV circuit-breakers up to 40.5 kV

Range of circuit-breakers up to 40.5 kV:

Fixed switchgear, left or right MV connection, side or front operating mechanism.
3 mechanically linked separate poles, built into a "sealed pressure system" type insulating enclosure containing low pressure gas SF6.
Stored energy manual operating mechanism.
Nominal current from 400 to 3150 a.
Short-circuit current of from 12.5 to 40 kA.
SFset: circuit-breaker with self-contained protection chain incorporating a control unit VIP operating without auxiliary supply source


Electrical operating mechanism.
Supporting frame is equipped with rollers and ground fixing brackets for a fixed installation.
Keylock for locking the circuit-breaker in open position.
A pressure switch.
42-pin HartiNG type LV connector.


The assets of a tried and tested technology
A comprehensive, tried and tested range of circuit-breakers SF6 technology. Both compact and reliable, they are able to satisfy the most stringent applications. Benefit from more than 35 years experience and embark with Merlin Gerin on the road leading to your peace of mind.


Operation and protection of networks from 12 t

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