LN2-40.5
LN2-40.5 is an indoor medium voltage SF6 circuit breaker suitable for 40.5kV (33kV/35kV) AC power systems. It adopts SF6 gas insulation and arc extinguishing technology with reliable operation and long mechanical life.
It is mainly used in high voltage switchgear, power distribution rooms, industrial power supply and urban power grid. The product features compact structure, small installation space, low operation noise and maintenance-free, meeting IEC standards for medium voltage power equipment.
LW□-12
LW□-12 is outdoor medium voltage SF6 circuit breaker specially designed for 12kV (10kV) 50Hz AC power distribution systems. It takes sulfur hexafluoride gas as insulating and arc extinguishing medium, featuring stable breaking performance and outstanding environmental adaptability.
Equipped with reliable spring operating mechanism, this series breaker has small overall size, excellent moisture-proof and anti-aging capacity, suitable for pole installation, rural power grid reconstruction, industrial park power supply and small distribution substation.
The whole product complies with IEC international standards, with low failure rate and long service life, greatly reducing later operation and maintenance cost for power operators.
LW8(A)40.5
LW8(A)-40.5 is a three-phase AC 50Hz outdoor high-voltage SF6 circuit breaker, designed for 40.5kV power transmission & distribution systems. It adopts SF6 as insulation & arc-extinguishing medium, matched with CT14 spring operating mechanism, complying with GB1984 & IEC62271-100 standards.
This breaker provides reliable control & protection for power plants, substations, industrial & mining power systems. It can be used as a tie circuit breaker and for switching capacitor banks, with built-in current transformer for measurement & protection. It features excellent breaking performance, low gas leakage rate (≤1%/year), short arcing time, long mechanical life, compact structure, easy installation & maintenance, and can replace old oil circuit breakers for power grid upgrading.
LW10B-126KV
LW10B-126kV is outdoor three-phase AC 50Hz high voltage SF6 circuit breaker, specially developed for 126kV (110kV grade) power transmission and transformation system. Sulfur hexafluoride gas is used as insulating and arc extinguishing medium, equipped with mature hydraulic operating mechanism, complying with IEC62271 and GB standard specifications.
This high voltage circuit breaker is mainly used for closing, opening normal load current and short-circuit fault current in power substations, thermal power plants, hydropower stations and industrial large-scale power supply projects. It undertakes system control and short-circuit protection functions for high voltage power grid.
LW16-40.5
LW16-40.5 is an outdoor three-phase AC high voltage SF6 circuit breaker designed for 40.5kV (35kV class) power transmission and distribution systems. It uses SF6 gas as insulation and arc extinguishing medium, equipped with spring operating mechanism, and meets IEC and GB standards.
This product is mainly used in power substations, industrial and mining enterprises, power plants and distribution networks to control and protect circuits. It can reliably switch rated load current and short-circuit current, with stable performance, long service life, low gas leakage rate and easy maintenance.
It is suitable for outdoor environments and can be widely used in power grid transformation, new construction and renovation projects of 35kV / 40.5kV power systems.
LW17-35KV
LW16-40.5 is an outdoor three-phase AC high voltage SF6 circuit breaker designed for 40.5kV (35kV class) power transmission and distribution systems. It uses SF6 gas as insulation and arc extinguishing medium, equipped with spring operating mechanism, and meets IEC and GB standards.
This product is mainly used in power substations, industrial and mining enterprises, power plants and distribution networks to control and protect circuits. It can reliably switch rated load current and short-circuit current, with stable performance, long service life, low gas leakage rate and easy maintenance.
It is suitable for outdoor environments and can be widely used in power grid transformation, new construction and renovation projects of 35kV / 40.5kV power systems.
LW24-35kv
LW24-35kV is an outdoor three-phase AC high voltage SF6 circuit breaker used in 35kV (40.5kV class) power transmission and distribution systems. It adopts SF6 gas as insulation and arc extinguishing medium, equipped with spring operating mechanism, and complies with IEC and GB standards.
This breaker is mainly used in power substations, industrial and mining enterprises, power plants and distribution networks to control and protect circuits. It can safely switch load current and short-circuit current, with low gas leakage rate, long mechanical life, compact structure and easy installation.
It is widely used in outdoor power grid construction, renovation projects and industrial power systems, providing stable and reliable protection for 35kV power equipment.
LW25□-252
LW25□-252 SF6 High Voltage Circuit Breaker Introduction
LW25□-252 is three-phase AC 50Hz outdoor extra-high voltage SF6 circuit breaker, designed for 252kV(220kV grade) power transmission and transformation system. The product takes sulfur hexafluoride(SF6) as insulation and arc-extinguishing medium, equipped with mature hydraulic operating mechanism, fully conforming to IEC62271 and domestic GB standard requirements.
The circuit breaker is widely applied in 220kV backbone power grid substations, thermal power plants, hydropower stations, new energy booster stations and large industrial power supply projects. It realizes reliable closing, opening of normal load current and short-circuit fault current, serving as core control and protection equipment for EHV power transmission system.
Product Core Advantages
Superior SF6 arc-quenching performance, strong short-circuit breaking capacity, stable operation under complex grid working conditions;
Optimized hydraulic operating mechanism, small operation impact, low failure rate, long service cycle;
Advanced overall sealing technology, ultra-low annual SF6 leakage rate, fewer routine maintenance;
Rational modular structure, convenient field assembly and overhaul, strong environmental adaptability for outdoor high-low temperature, rainy and windy areas.
Main Technical Parameters
Rated voltage:252kV
Rated frequency:50Hz
Rated current:2000A/2500A/3150A
Rated short-circuit breaking current:40kA,50kA
Driving mode:Hydraulic operating mechanism
Application:220kV power grid, power station, photovoltaic & wind power booster substation
LW27-35KV
LW27-35kV is an outdoor three-phase AC high voltage SF6 circuit breaker designed for 35kV (40.5kV class) power transmission and distribution systems. It uses SF6 gas as insulation and arc extinguishing medium, equipped with spring operating mechanism, and meets IEC and GB standards.
This breaker is mainly used in power substations, industrial and mining enterprises, power plants and distribution networks to control and protect circuits. It can reliably switch load current and short-circuit current, with stable performance, low gas leakage rate, long mechanical life and easy maintenance.
It is widely used in outdoor power grid construction, renovation projects and industrial power systems, providing safe and stable protection for 35kV power equipment.
LW32-126KV
LW32-126kV is an outdoor three-phase AC high voltage SF6 circuit breaker designed for 126kV (110kV class) power transmission and distribution systems. It uses SF6 gas as insulation and arc extinguishing medium, equipped with hydraulic operating mechanism, and complies with IEC62271 and GB standards.
This breaker is mainly used in power substations, power plants, industrial power systems and grid projects to control and protect circuits. It can reliably switch load current and short-circuit current, with excellent performance, low gas leakage rate, long mechanical life and stable outdoor operation.
It is widely used in 110kV/126kV power grid construction, renovation and new energy power stations, providing safe and reliable protection for high voltage power equipment.
LW33-126KV
LW33-126kV is an outdoor three-phase AC high voltage SF6 circuit breaker designed for 126kV (110kV class) power transmission and distribution systems. It uses SF6 gas as insulation and arc extinguishing medium, equipped with hydraulic operating mechanism, and complies with IEC62271 and GB standards.
This breaker is mainly used in power substations, power plants, industrial power systems and grid projects to control and protect circuits. It can reliably switch load current and short-circuit current, with stable performance, low gas leakage rate, long mechanical life and strong outdoor adaptability.
It is widely used in 110kV/126kV power grid construction, renovation and new energy power stations, providing safe and reliable protection for high voltage power equipment.
LW34-126KV
LW34-126kV is an outdoor three-phase AC high voltage SF6 circuit breaker designed for 126kV (110kV class) power transmission and distribution systems. It uses SF6 gas as insulation and arc extinguishing medium, equipped with hydraulic operating mechanism, and complies with IEC62271 and GB standards.
This breaker is mainly used in power substations, power plants, industrial power systems and grid projects to control and protect circuits. It can reliably switch load current and short-circuit current, with stable performance, low gas leakage rate, long mechanical life and strong outdoor adaptability.
It is widely used in 110kV/126kV power grid construction, renovation and new energy power stations, providing safe and reliable protection for high voltage power equipment.
