product description
LW3-12/630-20 primary and secondary fusion sulfur six new circuit switch is a new generation product developed by our company in response to the new requirements of the State Grid's primary and secondary synthetic sleeve switches for network access. The switch configuration fully complies with the State Grid's primary and secondary Integrating a complete set of requirements facilitates unified procurement and mass production by the State Grid. The switch has a compact structure, reasonable layout, and complete functions. All indicators meet the primary and secondary fusion requirements of the State Grid. It adopts unified parameter protection CT, zero-sequence CT and zero-sequence voltage sensors. It has a wide measurement range, high measurement accuracy, and reliability. It has high holding points and complete analog quantities to facilitate accurate determination of line faults. It is an ideal switching device to realize "distribution automation" and has the ability to divide and combine load current, overload current and short-circuit current.
Use environmental conditions
1. Ambient air temperature: -40“C~+50“C:
2. Maximum daily temperature difference: s25*C;
3. Relative humidity: <95%;
4. The altitude does not exceed: 3000m;
5. Wind pressure does not exceed: 700pa (equivalent to wind speed 34mm/s);
6. Earthquake intensity: 8;
7. Installation site: no risk of fire or explosion, no chemical corrosion and frequent severe vibration;
8. Pollution level: Class III, Class IV.
ZW32-12 outdoor medium voltage vacuum circuit breaker recloser controller 12KV by motor
with controller, distribution automation system,and can raliably and effectively complete the recloser function of traditional.
Outdoor 12KV MV VCB power system,mainly used for breaking,closing urban areas 10KV grid load current,load current and short circuit current.
Mainly used for opening closing the power system load current, overload current and short - circuit current
12KV MV VCB outdoor high voltage vacuum circuit breaker with controller
As the power grid's breaking switch, it can realize the distribution network automation after installation of the controller.
basic functions such as breaking and closing load current, overload current and short circuit current
used as 10kv /11KV /12KV substation outlet switches and three-phase AC electric power system.
the circuit breaker and the isolating switch can be combined to form a "combined circuit breaker"
LW3-12/630-20 primary and secondary fusion sulfur six new circuit switch is a new generation product developed by our company in response to the new requirements of the State Grid's primary and secondary synthetic sleeve switches for network access.
LW8A-40.5 outdoor porcelain column high-voltage sulfur hexafluoride circuit breaker is suitable for power systems with AC 50Hz and rated voltage 40.5kV.
This product can be equipped with CT14 spring mechanism.
The circuit breaker is an outdoor small porcelain column structure, equipped with a CT14 spring operating mechanism
LW16-40.5 side-mounted and center-mounted types are used for outdoor devices in AC 50Hz three-phase power systems.
LW24-40.5(G)/T2500(3150)-31.5 type six-oxide circuit breaker is an outdoor three-phase AC 50HZ high-voltage power transmission and transformation equipment.
The product has excellent breaking performance. It adopts a compressed gas type silencing chamber and has a long electrical life.
The LW36-40.5 outdoor high-voltage sulfur hexafluoride circuit breaker is a three-phase AC 50H outdoor high-voltage electrical equipment
LW□-40.5 outdoor high-voltage sulfur hexafluoride circuit breaker (hereinafter referred to as the circuit breaker) is a three-pole AC 50Hz outdoor high-voltage switching device.
The circuit breaker uses sulfur hexafluoride (SF6) gas as the arc extinguishing medium.
The circuit breaker uses sulfur hexafluoride (SF6) gas as the arc extinguishing medium.
The circuit breaker uses sulfur hexafluoride (SF6) gas as the arc extinguishing medium.
It is suitable for AC 50Hz (60z) and 126kV power systems. It is the control and protection equipment of the power system and can also be used as a contact circuit breaker.
LW35-126 self-energized sulfur hexafluoride circuit breaker outdoor AC three-pole 50Hz high-voltage power transmission and transformation equipment is used to open and close rated current, fault current or conversion lines to realize the protection, control and operation of the power transmission and transformation system.
LW36-126/3150-40 self-energized AC high-voltage sulfur hexafluoride circuit breaker is an outdoor product, suitable for altitudes not exceeding 2,000 meters (products can be designed for altitudes above 3,000 meters), and the ambient temperature is not lower than -40°C.
LW□-252 self-energizing sulfur hexafluoride circuit breaker is an outdoor AC three-pole 50H high-voltage power transmission and transformation equipment.
SW2-66 (SW2-72.5 abroad) oil-less circuit breaker is an outdoor three-phase AC 50Hz high-voltage power equipment.
AB-3S-12 outdoor high-voltage fast permanent magnet vacuum circuit breaker adopts the principle of vacuum arc extinguishing and permanent magnet operating mechanism, integrating microprocessing technology, modern network communication technology and new switch manufacturing materials.
Using a vacuum arc extinguishing chamber, air insulation, and an electric spring operating mechanism, the product has strong arc extinguishing ability, many short-circuit opening times, no fire and explosion hazard, and is easy to operate.
The FZW28-12 series outdoor AC high-voltage demarcation vacuum load switch is suitable for outdoor three-phase AC power distribution systems with a rated voltage of 12KV and a rated frequency of 50H.
The ZW32-12 outdoor AC high-voltage vacuum circuit breaker (hereinafter referred to as the circuit breaker) is an outdoor power distribution equipment with a rated voltage of 12kV and a three-phase AC 50Hz.
ZW32Y-12 outdoor AC high-voltage prepaid vacuum circuit breaker is suitable for use as prepaid high-voltage metering in power systems with three-phase AC 50Hz and rated power 12kV.
ZW43-12 outdoor high-voltage vacuum circuit breaker is a miniaturized product of ZW32 circuit breaker.
ZW32-24 outdoor high-voltage vacuum circuit breaker (hereinafter referred to as the circuit breaker) is an outdoor power distribution equipment with a rated voltage of 24kV and three-phase AC 50Hz.
ZW32-40.5 outdoor AC high-voltage demarcation vacuum circuit breaker is mainly composed of integrated solid-sealed poles, current transformers, operating mechanisms and boxes.
ZW7-40.5 series outdoor high-voltage vacuum circuit breaker (hereinafter referred to as "circuit breaker") is used in AC 50Hz, 40.5kV three-phase power systems to divide and combine load current, overload current and short-circuit current.
ZW17-40.5 outdoor high-voltage vacuum circuit breaker is an outdoor high-voltage electrical equipment with three-phase AC 50Hz and rated voltage 40.5KV.
ZW30A-40.5 is a three-phase AC 50HZ high-voltage switchgear. It is mainly used for the control and protection of 40.5kv power transmission and transformation systems.
ZW39-40.5 outdoor high-voltage AC vacuum circuit breaker is suitable for power systems with an AC rated frequency of 50Hz and a rated voltage of 35kV.
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