Overview 1. The core switching unit adopts a solid-sealed pole design, miniaturized
Earthing Switch/grounding switch is a crucial safety component in electrical systems. It provides a low-resistance path to the earth, ensuring safety by dissipating electrical energy and preventing electric shock hazards. It works alongside other protective devices during maintenance or fault conditions. Proper operation is vital for system integrity and personnel safety.
LV Distribution refers to low voltage distribution systems. Common products in LV Distribution include MCCB, MCB, ACB, and RCCB. These products are used to protect circuits from overloads, short circuits, and residual currents, ensuring safe and stable power supply.
Air Circuit Breaker (ACB) is an electrical protection device used for short circuit and overcurrent protection up to 15kV with amperes rating of 800A to 10kA. It operates in air (where air-blast as an arc quenching medium) at atmospheric pressure to protect the connected electric circuits. ACB has completely replaced by oil circuit breaker because it is still a preferable choice to use an ACB because, there is no chance of oil fire like in oil circuit breaker.
– Leading supplier of medium voltage electrical devices and switchgear.
– Own five experienced factories, all certified to ISO9001 and ISO14001 standards.
– Hold 91 national patents, including 9 invention patents. All product series have passed type tests in certified Chinese laboratories.
– Main product series include: indoor & outdoor vacuum circuit breakers (VCB/CB), load break switches (LBS), outdoor auto-reclosers, SF6 and SF6-free ring main units and gas-insulated tanks, metal-clad switchgear.
– Direct supply from origin, offering the most competitive prices and efficient delivery.
– Extensive industry resources and expertise in the power and electrical sector.
– Official authorized distributor of the world-leading brand EATON and China’s leading transformer brand QRE.
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R&D, manufacturing, and production of SF6 Free RMU series of switches and switchgear.
R&D, manufacturing and production of vacuum circuit breakers, side-mounted circuit breakers, circuit breaker mechanisms, etc.
R&D, manufacturing and production of outdoor circuit breakers, reclosers, LBS, disconnectors, etc.
Side-mounted circuit breakers are mainly used in air-insulated ring main cabinet circuit breaker program, used in conjunction with disconnect switches
Lightning is one of the most powerful electrical phenomena in nature, and its impact on electrical equipment and systems cannot
This is information about the current environmentally friendly switchgear from each of the three major brands (ABB, Schneider, Siemens). The
The latest version of GB/T1984—2024 High-voltage alternating-current circuit-breakers (IEC62271-100:2021, High-voltage switchgear and controlgear—Part 100: Alternating-current circuit-breakers, MOD) was released on
Vacuum circuit breakers have several advantages, including high interrupting capability, excellent arc-extinguishing performance, long mechanical and electrical life, low maintenance
In switchgear applications, the withdrawable structure of circuit breakers can be divided into three main types, as detailed below: As
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