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Load Break Switch

A load break switch is a type of electrical switch that is specifically designed to interrupt and isolate the flow of current in a circuit, particularly in medium and high voltage power systems. It is commonly used in electrical distribution networks, power substations, and industrial applications.

The main purpose of a load break switch is to provide a safe and convenient way to disconnect or connect electrical loads under normal operating conditions or during maintenance activities. It allows for the isolation of faulty equipment, the switching of loads between multiple power sources, and the safe switching of high voltage circuits.

Load break switches are typically designed to handle heavy loads and have a high breaking capacity. They are available in various forms, such as air break switches, vacuum load break switches, and SF6 gas-insulated load break switches, each with its own advantages and limitations.

One key feature of load break switches is their ability to interrupt and prevent current flow without generating excessive arcing. This is crucial in maintaining the integrity of the electrical system and preventing damage to the switch itself.

Load break switches are usually operated manually, using either a rotary handle or a motorized mechanism for remote operation. Some advanced load break switches also have additional features like built-in fuses, auxiliary contacts for remote signaling, and fault detection capabilities.

Overall, load break switches play a vital role in ensuring the proper and safe operation of electrical systems. They provide a reliable means of controlling power flow and protecting both personnel and equipment from potential electrical hazards.

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Medium voltage hv indoor sf6 load break switch LBS

Medium voltage hv indoor sf6 load break switch LBS

The FLN36-12 indoor SF6 load break switch is a high-voltage switchgear suitable for use in a rated voltage of 12kV. It is designed with SF6 gas as an arc-extinguishing and insulation medium, ensuring safe and reliable operation. This load break switch is characterized by its small volume, making it suitable for installations with limited space. Its convenient installation and operation procedures make it user-friendly and efficient. Additionally, it exhibits great adaptability to various surroundings and environments. The FLN36-12 load break switch, along with the BRFLN36-12D combination of SF6 load switch and fuse, is designed to protect and control electrical equipment in power supply and transformer substations. It is especially well-suited for applications such as ring net cabinets, ......

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Outdoor high voltage vacuum load break switch

Outdoor high voltage vacuum load break switch

The FZW28 series outdoor high voltage vacuum load break switch is a versatile and reliable product designed for use in a wide range of applications. It is specifically designed to meet the requirements of power distribution and control in substations, industrial and mining enterprises, urban and rural power grids, as well as automated distribution networks and locations with frequent operations. This product complies with the GB/T 3804-2004 standard for 3.6 kV to 40.5 kV AC high voltage load break switches. It is built to provide efficient protection and control for power equipment in various scenarios. The outdoor design ensures its durability and ability to withstand harsh environmental conditions. The high voltage vacuum load break switch is an essential component in power distributio......

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AC high voltage load break switch fuse combination

AC high voltage load break switch fuse combination

The FKRN12-12D/T AC high voltage load break switch fuse combination is designed for use in 12kV and below three-phase power distribution systems. It serves as a control and protection device for various power equipment such as transformers, cables, and overhead lines. This product is particularly suitable for terminal substations and container substations in urban and rural power grids. It is also applicable for the control and protection of ring networks and dual radiation power supply units. The FKRN12-12D/T AC high voltage load break switch fuse combination has the capability to handle load currents, overload currents, and short circuit currents in the circuit. It provides reliable and efficient operation, ensuring the safety of the power distribution system. This combination product i......

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High voltage indoor load break switch

High voltage indoor load break switch

The FKN12A-12 series high voltage indoor load break switch is a three-phase high voltage switch equipment with a rated voltage of 12kV and a rated frequency of 50Hz. It is specifically designed for handling load currents, loop currents, no-load transformer and cable charging currents, as well as closing short-circuit currents. This load break switch is equipped with a grounding switch, capable of withstanding short-circuit currents. It is conveniently fitted with both manual and motor operating mechanisms, allowing for easy implementation of the three remote control requirements in power systems.

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Indoor high voltage electric load break switch with fuse

Indoor high voltage electric load break switch with fuse

The FZRN25-12 type AC high-voltage vacuum load switch-fuse combination electrical appliance is an indoor device with a rated voltage of 12KV and suitable for three-phase AC 50Hz. It is designed for use in industrial and mining sectors, enterprises, distribution substations, and power stations, serving the purposes of load control and short circuit protection. The equipped grounding switch is capable of withstanding short circuit current. The operating mechanism can be manual or electric, facilitating the fulfillment of three-remote control requirements in the power system. The FZRN25-12 type load switch and combination electrical appliance are suitable for load control and short circuit protection in municipal distribution substations and industrial power equipment supplied by three-phase......

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Indoor high voltage electric vacuum load break switch

Indoor high voltage electric vacuum load break switch

The FZN25-12D type vacuum load break switch and FZRN25-12D type combination appliance adopt a overall structure where the operating mechanism is arranged on the side of the main circuit (available in right or left side arrangement according to user's needs). The main conducting part consists of insulation cover, static contact, movable contact, conductive cylinder, and vacuum arc chamber. The combination appliance also includes a current-limiting fuse. This product uses the TF351 type vacuum arc-extinguishing chamber with a ceramic outer casing and 25 copper contacts. It features a flat contact structure, which results in minimal electrical wear and a long service life. With high breaking and closing capabilities, it offers strong performance and easy operation and maintenance. The fused ......

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China Load Break Switch is one kind of products from RZMV factory. As one of leading manufacturers and suppliers in China, we provide durable products. We can sell them at a low price and can be customized. We sincerely look forward to becoming your reliable long-term business partner!