LW36-126(145) Outdoor Self-energy Type Circuit Breaker

LW36-126(145) outdoor self-energy type circuit breaker is six sulfur hexafluoride gas as insulation and arc extinguishing medium , CT30 spring operation mechanism and the principle self-blown arc extinguishing of single variable pressure distance. The product is suitable for 72.5kV (126kV) three-phase AC 50HZ power system, which is used for points and load current , overload current and short circuit current.

Price：

￥0.00
Category：

Outdoor High Voltage Vacuum Circuit Breaker
Browse number：

21
Release time：

2024-09-22 02:18:18
Quantity： - +
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Detailed Description

Description

LW36-126(145) outdoor self-energy type circuit breaker is six sulfur hexafluoride gas as insulation and arc extinguishing medium , CT30 spring operation mechanism and the principle self-blown arc extinguishing of single variable pressure distance. The product is suitable for 72.5kV (126kV) three-phase AC 50HZ power system, which is used for points and load current , overload current and short circuit current.

Environment Condition
- Ambient temperature:-40℃~+40℃
- Altitude:≤2000m
- Wind pressure:≤700Pa
- Daily temperature differenc:25℃
- Icing thickness:≤10mm
- Pollution degree: III(25mm/kV).

Technical Data

Rated voltage			kV	126 (145)
Rated current			A	1250, 2000
Rated frequency			HZ	50
First pole to clear factor				1.5
Rated short circuit breaking current			kA	40
Rated short-circuit current (peak)			kA	100
Rated short-circuit withstand current			kA	40
Rated power frequency withstand voltage (1min)		Phase to earth	kV	K·230
		Phase to phase		K·(230+70)
Rated lightning impulse withstand voltage		Phase to earth	kV	K·550
		Phase to phase		K·(550+103)
Rated peak withstand current			kA	100
Rated out of step current			kA	10
Near fault current			kA	90%1K
Electrical life of rated short circuit breaking current			times	20
Rated short circuit duration			s	4
Rated line charging close current			A	31.5
Rated operation sequence				O-0.3s-CO-180s-CO35
Main circuit resistance			μΩ	≤35
Rated SF6 gas pressure			MPa	0.6
SF6 gas leakage rate			ppm	≤0.55
Moisture content of SF6 gas (V/V)				≤150
Mechanical life			Times	10000
Electric distance	Phase to earth		mm	3906/3150
	Phase to phase			3906/3150
Each filled with SF6 gas quality			KG	8
Quality of each circuit breaker			KG	1700

Order instruction
1-The type and the specification of the circuit breaker.
2-Rated electrical parameter(voltage, current, rated short-circuit breaking current and so on).
3-Environmental condition(temperature, altitude, filth level and so on).
4-Rated electric parameter of control loop(rated voltage of energy storage of the opening and closing coils).
5-The name and the direction of the primary upper Terminal.

Outline & Mounting Dimensions