ABB IEC Live Tank SF6 Mechanical Circuit Breaker OHBABB IEC Live Tank SF6 Mechanical Circuit Breaker OHB ABB IEC Live Tank SF6 Mechanical Circuit Breaker OHB-circuit breakers,potentiometers,contactor
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ABB IEC Live Tank SF6 Mechanical Circuit Breaker OHB

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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, they do not generate operating overvoltages. This means they are also highly suitable for retrofitting, where the plant insulating materials may be sensitive to dielectric stresses.

ABB 245kV,up to 63kA Type PMI-B Power Circuit Breaker

ABB 245kV,up to 63kA Type PMI-B Power Circuit Breaker


The 245PMI-B breaker combines the features of the well-proven 242PMI design with a high performance interrupter to provide enhanced dielectric capabilities. It principally consists of three cast aluminum single-piece tanks, each containing an interrupter unit, mounted o
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 72kV, up to 40 kA Type PMI Power Circuit Breaker

ABB 72kV, up to 40 kA Type PMI Power Circuit Breaker


The 72PMI breaker principally consists of three cast aluminum single-piece tanks, each containing an interrupter unit, mounted on a galvanized steel support structure. Two bushings with removable current transformers mount atop each tank. A steel control cabinet is atta
ABB Outdoor Live Tank Circuit Breaker Type LTB D

ABB Outdoor Live Tank Circuit Breaker Type LTB D


The LTB D is a high performance circuit breaker designed for maximum breaking current up to 40 kA with a rated voltage from 72.5 kV up to 170 kV. The LTB D is available for single- or three-pole operation. The energy required to interrupt the current is taken from the a
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 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 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 242kV,up to 40kA Type PMR Power Circuit Breaker

ABB 242kV,up to 40kA Type PMR Power Circuit Breaker


The 242PMR breaker principally consists of three cast aluminum single-piece tanks, each containing an interrupter unit, mounted on a powdercoated steel support structure. Two bushings with removable current transformers mount atop each tank. A powdercoated steel control
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 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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