Medium voltage circuit breakers

The world’s most successful range of MV circuit breakers for indoor and outdoor applications.

Across every market ABB's breakers occupy a leading position thanks to their proven reputation for reliability, performance and long life. CBs from ABB are available for original equipment manufacturers (OEM) to incorporate in their own installations or for use in repair, retrofit and upgrade projects.

Why ABB?

  • full engineering and technical support
  • products tailored to meet the needs of your local market
  • short lead times
  • fast response

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IEC standard - indoor applications

Railway applications

12-36 kV
IEC Indoor Vacuum Circuit Breakers for primary distribution
VD4, eVD4, Vmax, VM1
12 - 40,5 kV
IEC Indoor SF6 Circuit Breakers for primary distribution
HD4
12 - 24 kV
IEC Indoor Vacuum Circuit Breakers for secondary distribution
VD4/R
12 - 36 kV
IEC Indoor SF6 Circuit Breakers for secondary distribution
HD4/R
16.7 or 50/60 Hz, up to 40.5 kV
IEC Indoor Vacuum Circuit Breakers for Railway power supply
GSH II, GSR II, GSR+
up to 27.5 kV, 2500 A
IEC Outdoor Vacuum Circuit Breakers for Railway power supply
FSGII, FSKII +, GSLII

IEC standard - outdoor applications

ANSI standard

up to 40.5kV, 2500 A
IEC Outdoor Vacuum Live Tank Circuit Breakers
OVB-VBF, OVB-SDB, PVB
up to 40.5 kV, 2500 A
IEC Outdoor SF6 Live Tank Circuit Breaker
OHB
38 kV, 3700 A
IEC Outdoor Vacuum Dead Tank Circuit Breaker
R-MAG
5 - 27 kV
ANSI Indoor Vacuum Circuit Breakers
ADVAC, AMVAC
15 kV, 1600 A
ANSI Outdoor Live Tank Circuit Breakers
OVB-SDB
38 kV, 3700 A
ANSI Outdoor Vacuum Dead Tank Circuit Breaker
R-MAG, V-Breaker

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