LW36-126 Outdoor high-voltage sulfur hexafluoride circuit breakerDetailed product description：

The LW36-126 outdoor self powered high-voltage sulfur hexafluoride circuit breaker is suitable for use in AC 50Hz, 110kV power systems. It can be used as a control and protection equipment for power systems, as well as as as a contact circuit breaker. This product was awarded the 2001 National Economic and Trade Commission Key New Product Recommendation Certificate.

Main technical characteristics of LW36-126 outdoor high-voltage sulfur hexafluoride circuit breaker

1. The circuit breaker adopts the principle of self extinguishing arc, with strong breaking capacity, and can break up to 20 times at full capacity;  
2. Equipped with a new type of highly reliable spring operated mechanism, the mechanical reliability can reach 60000 times;  
3. Equipped with CT24 or new spring mechanism, high mechanical reliability and low maintenance workload;  
4. High insulation level, able to meet both national and IEC standards simultaneously;  
5. Thick steel plate integral frame with high seismic resistance.

Main technical parameters of LW36-126 outdoor high-voltage sulfur hexafluoride circuit breaker:

serial number	project	unit	Technical Parameters
one	altitude	m	1000（3000）
two	ambient temperature	℃	-25～+40
three	rated voltage	kV	one hundred and twenty-six
four	rated current	A	2500 3150
five	rated frequency	Hz	fifty
six	Rated short-circuit breaking current	kA	31.5 40
seven	Rated short-circuit closing current	kA	80 100
eight	Rated short-time withstand current	kA	31.5 40
nine	Rated peak withstand current	kA	80 100
ten	Rated short-time power frequency withstand voltage	kV	Ground: 230 Between fracture surfaces: 230+73*
eleven	Rated lightning impulse withstand voltage	kV	Ground: 550 Between fracture: 550+103*
twelve	Rated short-circuit current duration	s	four
thirteen	Rated out of step breaking current	A	8 10
fourteen	Near area fault breaking current		90% 75%
fifteen	Rated line charging switching current	A	thirty-one point five
sixteen	Rated operating sequence		O-0.3s-CO-180s-CO
seventeen	SFsixGas pressure (20 ℃ gauge pressure)	MPa	zero point six
eighteen	mechanical life	time	six thousand
nineteen	Control circuit voltage	V	DC110 or 220

LW36-126 Outdoor High Voltage Sulfur Hexafluoride Circuit Breaker