ABB IEC Live Tank Vacuum Mechanical Circuit Breaker OVB-VBFABB IEC Live Tank Vacuum Mechanical Circuit Breaker OVB-VBF ABB IEC Live Tank Vacuum Mechanical Circuit Breaker OVB-VBF-circuit breakers,potentiometers,contactor
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ABB IEC Live Tank Vacuum Mechanical Circuit Breaker OVB-VBF

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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 against condensation. A spring operated mechanism is housed in a weather-proof cabinet and a sturdy extruded steel angle structure is used for mounting the breaker. 

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
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 Outdoor Live Tank Circuit Breaker Type EDF SK

ABB Outdoor Live Tank Circuit Breaker Type EDF SK


The EDF SK is a high performance circuit breaker designed for maximum breaking currents up to 31.5 kA with a rated voltage up to 72.5 kV. The energy required to interrupt the current is taken from the arc itself, which reduces mechanical stress on the circuit breaker an
ABB Medium Voltage  Vacuum Circuit Breakers VM1 low/mid duty

ABB Medium Voltage Vacuum Circuit Breakers VM1 low/mid duty


Vacuum circuit-breakers of type VM1 find universal applications in medium voltage range. Their innovative permanent magnetic actuator facilitates a drastic reduction in the number of parts, thus high reliability and sturdiness. An electronic controller with sensors moni
ABB HPL Disconnecting Circuit Breakers

ABB HPL Disconnecting Circuit Breakers


The HPL Disconnecting Circuit Breaker (DCB) is based on the HPL standard circuit breaker. The disconnecting function is integrated in the breaking chamber. That means that the circuit breaker fulfills all requirements for a circuit breaker as well as all requirements fo
ABB AMVAC Medium Voltage  Vacuum Magnetic Circuit Breakers

ABB AMVAC Medium Voltage Vacuum Magnetic Circuit Breakers


The AMVAC circuit breaker combines maintenance-free epoxy encapsulated vacuum interrupters, with a maintenance-free magnetic actuator mechanism, and a maintenance-free electronic controller. The electronic controller not only maintains the charge in the long life capaci
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 Medium Voltage  Vacuum Circuit Breakers VM1 high duty

ABB Medium Voltage Vacuum Circuit Breakers VM1 high duty


Vacuum circuit-breakers of type VM1 find universal applications in medium voltage range. Their innovative permanent magnetic actuator facilitates a drastic reduction in the number of parts, thus high reliability and sturdiness. An electronic controller with sensors moni
ABB Miniature S800U Circuit Breakers UL489 Series

ABB Miniature S800U Circuit Breakers UL489 Series


The S800 high performance MCB offers a compact solution to circuit protection. The S800 devices are UL tested current limiting and DIN rail mounted. The S800 is available with application-specific trip characteristics to provide maximum circuit protection. The breakers
ABB Medium Voltage  Vacuum Circuit Breakers VD4/R

ABB Medium Voltage Vacuum Circuit Breakers VD4/R


VD4/R are used in secondary MV distribution and in small 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
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