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Medium Voltage Circuit Breakers

Medium Voltage Circuit Breakers

ABB PVB-Pole Mounted Outdoor Vacuum Circuit Breaker

ABB PVB-Pole Mounted Outdoor Vacuum Circuit Breaker


PVB is one of the most flexible devices for smart grid applications, providing protection and control for overhead distribution lines. . The PVB outdoor pole mounted circuit breaker is a result of years of experience on circuit breaker technology combined with a modular
ABB IEC Live Tank Vacuum Mechanical Circuit Breaker OVB-VBF

ABB IEC Live Tank Vacuum Mechanical Circuit Breaker OVB-VBF


Vacuum Circuit Breakers OVB-VBF are used in distribution systems ratedat at 24 / 36 / 40.5 kV and are of live tank design. The vacuum interrupters are housed in hollow porcelain insulators filled with SF6/Nitrogen gas at 0.5 bar above atmospheric pressure to safeguard a
ABB IEC/ANSI Live Tank Vacuum Outdoor Circuit Breaker Type OVB-SDB

ABB IEC/ANSI Live Tank Vacuum Outdoor Circuit Breaker Type OVB-SDB


Vacuum Circuit Breakers OVB-SDB are designed for distribution systems rated at 15 kV and are of live tank design. The vacuum interrupters are housed in hollow porcelain insulators filled with SF6/Nitrogen gas at 0.5 bar above atmospheric pressure to safeguard against co
ABB IEC Live Tank SF6 Mechanical Circuit Breaker OHB

ABB IEC Live Tank SF6 Mechanical Circuit Breaker OHB


OHB circuit-breakers are gas insulated circuit-breakers for outdoor installation. They are used in power distribution for controlling and protecting lines, substations, transformers, rectifier units, capacitor banks, etc. Thanks to the autopuffer breaking technique, the
ABB ANSI Dead Tank Vacuum Mechanical Circuit Breaker TypeV

ABB ANSI Dead Tank Vacuum Mechanical Circuit Breaker TypeV


ABB Type V vacuum circuit breakers are three phase devices designed for distribution systems rated 15 -38 kV. These breakers provide overcurrent protection with the reliability of vacuum interruption. All Type V breakers are air-insulated, dead tank designs, providing a
ABB ANSI/IEC Dead Tank Vacuum Magnetic Circuit Breaker R-MAG

ABB ANSI/IEC Dead Tank Vacuum Magnetic Circuit Breaker R-MAG


ABB is the first to combine the unique requirements of vacuum interrupter technology with a magnetic actuator designed to exploit these capabilities. Using a flux-shifting device with integral permanent magnets, the R-MAG mechanism has only one moving part. With simple
ABB HD4/R - Gas  Insulated MV Circuit Breakers

ABB HD4/R - Gas Insulated MV Circuit Breakers


HD4/R are used in secondary MV distribution and in MV/LV transformer substations. They are available in fixed version with right-hand side operating mechanism. Circuit-breakers with rated voltage up to 24 kV can be fitted with current sensors and PR521 overcurrent relea
ABB HD4 - Gas  Insulated MV Circuit Breakers

ABB HD4 - Gas Insulated MV Circuit Breakers


HD4 circuit-breakers are available in fixed or withdrawable versions. The withdrawable version is available for CBF fixed parts and CBE and PowerCube enclosures, UniSafe and UniGear type ZS1 switchgear. HD4 circuit-breakers are used in power distribution to control and
ABB Indoor Vacuum Circuit Breakers Range for Railway Applications - GSx II

ABB Indoor Vacuum Circuit Breakers Range for Railway Applications - GSx II


The GSx II range is the first commercially available single-phase vacuum circuit-breaker intended for the railway power supply and applying a combination of a maintenance-free vacuum interrupter, magnetic actuator and electronic controller.
ABB Medium Voltage  Vacuum Circuit Breakers VMAX

ABB Medium Voltage Vacuum Circuit Breakers VMAX


The Vmax vacuum circuit-breakers consist of an insulating monobloc in which three vacuum interrupters are housed. The monobloc and operating mechanism are fixed to a frame. The structure is very compact and ensures sturdiness and mechanical reliability. Vmax circuit-bre
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