LW36-126 HIGH VOLTAGE SULFUR HEXAFLUORIDE CIRCUIT BREAKER

Short Description:

LW36-126 is outdoor high voltage sulfur hexafluoride circuit breaker, which is suitable for AC 50 Hz、 rated voltage 126 kV power system, as power system control and protection equipment, it can also be used as contact circuit breaker. Arc extinguishing chamber is a single-column single-cut structure of each pole, which adopts the principle of self-energy arc extinguishing, and is equipped with CT motor energy storage spring operating mechanism and three-pole mechanical linkage.Products meet GB1984-2003 and IEC62271 -100 standards

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Product Overview
LW36-126 is outdoor high voltage sulfur hexafluoride circuit breaker, which is suitable for AC 50 Hz、 rated voltage 126 kV power system, as power system control and protection equipment, it can also be used as contact circuit breaker. Arc extinguishing chamber is a single-column single-cut structure of each pole, which adopts the principle of self-energy arc extinguishing, and is equipped with CT motor energy storage spring operating mechanism and three-pole mechanical linkage.

Products meet GB1984-2003 and IEC62271 -100 standards
Working Environment
1. Altitude: no more than 3000 m;
2. Ambient temperature :-30~40;
3. Wind speed :34 m/s;
4. Filth grade: III grade (25 mm/kV).
Main Technical Parameters

No.	Item	Unit	Data
1	Rated voltage	kV	126
2	Rated frequency	Hz	50
3	Rated current	A	3150
4	Isc Rated short-circuit breaking current Isc	kA	40
5	Rated short time withstand current / duration	kA/s	40/3

No.	Item		Unit	Data
1	Rated peak withstand current		kA	100
2	Rated short circuit switching current		kA	100
3	Near fault breaking current		kA	1sc×90%;1sc×75%
4	Rated out-of-step breaking current		kA	10
5	First-pole-to-clear factor			1.5
6	1min power frequency withstand voltage(effective value)	To earth	kV	230
6	1min power frequency withstand voltage(effective value)	Fracture	kV	230
7	Lightning impulse withstand voltage (peak)	To earth	kV	550
7	Lightning impulse withstand voltage (peak)	Fracture	kV	550
8	Rated line charging switching current		A	50
9	Rated operation sequence			O-0.3s-CO-180s-CO
10	Rated SF6 gas pressure (20)		MPa	0.60
11	Electrical life		Time	16
12	Mechanical life		Time	6000/10000