Medium and high voltage circuit breakers

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ABB AG

Generator circuit breaker - max. 63 kA, 24 kV | HVR-63 series

The HVR-63 GCB is a generator circuit-breaker manufactured by ABB. It is ideal for retrofitting or replacing power plants with unit power of up to 180 MW. It features an...

Generator circuit breaker - max. 63 kA, 24 kV | HVR-63 series

The HVR-63 GCB is a generator circuit-breaker manufactured by ABB. It is ideal for retrofitting or replacing power plants with unit power of up to 180 MW. It features an open design and compact construction which makes it suitable for open and cubicle installation, as well as for short-circuit rating reaching up to 63 kA. It also has an integrated direct contact erosion indicator which brings a good visualization of the remaining length of the arcing contact for a high degree of safety and reliability.

The HVR-63 GCB is offered as HVR-63Xs which features a rated continuous current of 6300 A. It is also available as HVR-63S with currents of up to 8000 A.

High-voltage circuit breaker - max. 63 kA, 420 - 550 kV | DCB

The Disconnecting Circuit Breaker (DCB) with Fiber Optic Current Sensor (FOCS) from ABB is suitable for use with IEC 61850-9-2LE process bus communication. The Fiber Optic Current Sensor changes the conventional...

High-voltage circuit breaker - max. 63 kA, 420 - 550 kV | DCB

The Disconnecting Circuit Breaker (DCB) with Fiber Optic Current Sensor (FOCS) from ABB is suitable for use with IEC 61850-9-2LE process bus communication. The Fiber Optic Current Sensor changes the conventional current transformer for current measurement. This device has three functions - measurement, interruption, isolation. The FOCs, once is installed with the DCB, offers various benefits that includes an enhanced short circuit performance, quick installation, a simplified design and engineering substations, environmental friendly, as well as intelligent protection and control using is smart process bus interface. The DCB offers the functions of a circuit breaker and a disconnector integrated in a single unit. It is commonly used in Line, transformer, reactor and capacitor switching as well as switching for harmonic filters.

Live-tank circuit breaker / high-voltage - max. 31.5 kA, 72.5 - 84 kV | LTA

The LTA 72D1 is a live tank circuit breaker manufactured by ABB. It utilizes carbon dioxide as the insulation and arc extinguishing medium. This replaces...

Live-tank circuit breaker / high-voltage - max. 31.5 kA, 72.5 - 84 kV | LTA

The LTA 72D1 is a live tank circuit breaker manufactured by ABB. It utilizes carbon dioxide as the insulation and arc extinguishing medium. This replaces the SF6 gas that is hazardous to the environment. By eliminating the SF6, it reduces the CO2 emission by 18% over the life cycle.

The LTA 72D1 features identical mechanical spring drives used in the SF5 LTB series. It also provides an IEC Class M2 and 10,000 operation lifetime drives. Furthermore, the circuit breaker is also offered as a disconnecting circuit breaker where the disconnecting function is installed in the breaker.

Live-tank circuit breaker / high-voltage - max. 31.5 kA, 36 - 72.5 kV | EDF SK

The ABB EDF SK Auto Puffer spring drive operating mechanism circuit breakers are designed for use outdoors. This high-performance...

Live-tank circuit breaker / high-voltage - max. 31.5 kA, 36 - 72.5 kV | EDF SK

The ABB EDF SK Auto Puffer spring drive operating mechanism circuit breakers are designed for use outdoors. This high-performance circuit breakers handle maximum breaking currents up to 31.5kA with a rated voltage up to 72.5kV.

The arc provides the energy needed to interrupt the current. This decreases the mechanical stress on the circuit breaker while increasing the reliability of the network. It is created for OLM2 and Switchsync as well as simple commissioning.

Live-tank circuit breaker / high-voltage - max. 31.5 kA, 36 - 72.5 kV | EDT SK

The combined apparatus of EDT SK relies on credible SF6 live tank breaker technology of ED type. Additionally, there is also one centralized compartment per pole having an internal...

Live-tank circuit breaker / high-voltage - max. 31.5 kA, 36 - 72.5 kV | EDT SK

The combined apparatus of EDT SK relies on credible SF6 live tank breaker technology of ED type. Additionally, there is also one centralized compartment per pole having an internal transformer. This is quality circuit breaker that is able to break currents up to 31.5 kA with voltage up to 72.5 kV. These circuit breakers make use of spring drive operating mechanisms for optimal network reliability. This equipment is multifarious and helps in integrating transformer on either pole.
EDT SK reduce space required in the substation, optimizing the cost and the safety factors. The safety of polymeric insulators are not mandatory. There is also an option of earthing switch to be used indoor as well as outdoor.
Alstom Grid

Live-tank circuit breaker / high-voltage - 4 - 63 kA, 245 - 800 kV | GL series

According to our own exposure to the S1, HGF as well as FXT kinds of circuit breakers, the actual enhanced GL300 series is actually less dangerous and much more dependable. It provides a brand new technology spring functioning system as well as connecting rod which allow fast and...

Live-tank circuit breaker / high-voltage - 4 - 63 kA, 245 - 800 kV | GL series

According to our own exposure to the S1, HGF as well as FXT kinds of circuit breakers, the actual enhanced GL300 series is actually less dangerous and much more dependable. It provides a brand new technology spring functioning system as well as connecting rod which allow fast and simple on-site set up. This particular array of live container circuit breakers works extremely well all around the energy field even just in extremely contaminated as well as minimal heat range surroundings. These gain out of individual as well as 3 pole usage as well as their minimal power function means they are a minimal-cost alternative. Any GL Live Tank circuit breaker scale consists of breakers making use of the dual movement engineering as well as decreased dimensions chamber porcelain parts. Equally allow people to make use of the smallest amount of SF6 gas as feasible for any eco-friendly use Primary Features 1 and 3 pole functioning Alternatives on demand: synced switching, minimal heat range, tracking system, smart system. Certified to IEC/ANSI basic Completely spring running system for all those scale Essential Features...

Dead-tank circuit breaker / high-voltage - max. 550 kV | DT series

The actual circuit breaker is essential toward substation protection along with safety. The actual great efficiency Alstom Grid Dead Tank circuit breaker, designed with innovative engineering, has shown trustworthiness. It takes hardly any upkeep and is also very easy to set up. The particular SF6 Dead...

Dead-tank circuit breaker / high-voltage - max. 550 kV | DT series

The actual circuit breaker is essential toward substation protection along with safety. The actual great efficiency Alstom Grid Dead Tank circuit breaker, designed with innovative engineering, has shown trustworthiness. It takes hardly any upkeep and is also very easy to set up. The particular SF6 Dead tank circuit breakers support consumer requirements having substantial degree of dependability on a regular basis, also within excessive types of conditions including those within locations having increased seismic activities, warm environments, very low temperature ranges in addition to contaminated locations. Principal Features Utilization of standard breaking chamber depending on experience Satisfies or even surpasses ANSI as well as IEC specifications Usage of standard breaking chamber depending on experience A number of options offered: blended bushings, minimal heat range, manipulated switching as well as tracking system Satisfies the newest ANSI along with IEC specifications (based on C2 together with M2) 1 or 3 poles procedure Manufactured as well as analyzed to get standard as well as particular objective purposes and then for extreme ecological types of conditions Heat aided...

Generator circuit breaker - max. 80 000 A, 1 000 MW | FKG series

Many of todays power plants are more than 20 years old and the need to extend their life time is increasing in todays economic and energy context. For this reason, refurbishment or retrofit is necessary to renew the power plants by replacing the main equipment including...

Generator circuit breaker - max. 80 000 A, 1 000 MW | FKG series

Many of todays power plants are more than 20 years old and the need to extend their life time is increasing in todays economic and energy context. For this reason, refurbishment or retrofit is necessary to renew the power plants by replacing the main equipment including the generator circuit breaker An old GCB needs more maintenance than a new one and can cause unscheduled shut downs. The maintenance of an old GCB requires a heavy budget and, most of the time; spare parts are not available anymore. A new GCB with the latest technology does not need maintenance during the first 5 years and offers a warranty period.

Our generator circuit breaker team can propose a pertinent retrofit offer, which fits the criteria of reliability, adaptability and availability of each project. From the site survey to erection, Alstom Grid proposes an integrated offer for the utmost time and cost optimisation including the engineering for the adaptation of the GCB to the available space, to the existing bus bars and existing civil works.

Generator circuit breaker - max. 36 kV, 275 kA | PKG series

This PKG circuit breaker and load break switch are used to make power plants at 2000 MW in size easier to...

Generator circuit breaker - max. 36 kV, 275 kA | PKG series

This PKG circuit breaker and load break switch are used to make power plants at 2000 MW in size easier to operate by keeping costs down, and by making them safer and more secure. This is an air blast generator circuit breaker that will manage production processes with up to 36 kV of support and 50,000 A in current as well as 275 kA short circuit protection, making this product useful in a variety of environments.
Eaton Count Control Products

Vacuum circuit breaker / medium-voltage - VR series

The VR-Series vacuum breaker replacements are designed with similar functions...

Vacuum circuit breaker / medium-voltage - VR series

The VR-Series vacuum breaker replacements are designed with similar functions various of air-magnetic breakers. unlike other air-magnetic breakers, VR-Series vacuum breaker require less maintenance, downtime and ensures easy availability of its various components.

Generator circuit breaker - max. 17.5 kV, 75 kA | VCP-WG series

This product can handles high continuous AC current and voltage as well as safely switches through extreme out-of-phase voltages and high-stress asymmetrical currents using "clean...

Generator circuit breaker - max. 17.5 kV, 75 kA | VCP-WG series

This product can handles high continuous AC current and voltage as well as safely switches through extreme out-of-phase voltages and high-stress asymmetrical currents using "clean and green" vacuum interruption without fail for over 10,000 normal operations. Breakers are invented to meet the strict service duty requirements set forth by IEEE for generator circuit applications such as voltage conditions, high continuous current levels,unique fault current and generator circuit configuration. This circuit breaker is highly recommended for use in many applications. Eaton has dedicated years of research to meet and exceed service duty the requirements of generator circuit application defined by IEEE.

Vacuum circuit breaker / medium-voltage - max. 17.5 kV, 50 - 60 Hz | W-VACi-MB

Mining circuit breakers (W-VACi-MB) ensures protection of transformers, capacitor banks, motors, busbar sections and cables....

Vacuum circuit breaker / medium-voltage - max. 17.5 kV, 50 - 60 Hz | W-VACi-MB

Mining circuit breakers (W-VACi-MB) ensures protection of transformers, capacitor banks, motors, busbar sections and cables. They are equipped with IEC ratings of 17.5 kV, which enables safe switching of normal load currents and high-stress fault currents. Compact circuit breakers are designed for protection against dust and contaminants prevalent in a mine environment. This ensures a long service life, less maintenance time and costs. No external arcing enhances mining safety.

Compact circuit breaker / vacuum / medium-voltage - max. 38 kV | VCP series

The VCP-Wind 38 kV compact vacuum circuit breakers utilize Eaton's vacuum interrupting technology which leads the...

Compact circuit breaker / vacuum / medium-voltage - max. 38 kV | VCP series

The VCP-Wind 38 kV compact vacuum circuit breakers utilize Eaton's vacuum interrupting technology which leads the industry. They don't use SF6 gas which has safety and environmental concerns.

Breakers are created to switch high-stress currents reliably without ventilation or cooling systems. They are usually encapsulated in epoxy resin material and maintenance-free, as well as being ideal for use in wind farm collector substations.

Vacuum circuit breaker / medium-voltage - 1 200 - 3 000 A, 15 kV | VCP-WXC

Eaton's enhanced circuit protection is specifically designed to improve your systems’ function,...

Vacuum circuit breaker / medium-voltage - 1 200 - 3 000 A, 15 kV | VCP-WXC

Eaton's enhanced circuit protection is specifically designed to improve your systems’ function, safety and durability. Power switch-gear modifications or so called changeovers during reduced downtime. Designed and tested to exceed IEEE standards, the VCP-WXC Xtra Capability vacuum circuit breakers operates quietly and continuously under high currents up to 63 kA.
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