LW36 Outdoor HV AC SF6 Circuit Breaker
LW36 Outdoor High-voltage AC SF₆ Circuit Breaker features strong environmental adaptability, high reliability, and maintenance-free operation. Rated voltage covers 40.5-170kV, providing three-pole intertripping & pole-discrepancy operation solutions. Suitable for high-voltage power transmission and distribution applications such as substations and distribution networks.
Superior interrupting performance
Reliable mechanical performance
Excellent sealing protection
Exceptional environmental adaptability
Features
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01
Superior interrupting performance
Employs self-energy & assisted compression arc-extinguishing technology. Delivers robust interrupting capability across the entire series (up to 50kA), suitable for diverse complex operating conditions.
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02
Reliable mechanical performance
Utilizes a new integrated die-cast aluminum base spring operating mechanism. Compact structural design ensures stable output performance, high reliability, and maintenance-free operation. Mechanical life meets M2 class requirements.
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03
Excellent sealing protection
Adopts diaphragm sealing structure. SF₆ gas leakage rate ≤0.05% per year.
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04
Exceptional environmental adaptability
Provides low-temperature application solutions with pure SF₆ gas or SF₆ gas mixtures. Capable of withstanding -50℃ extreme cold, high altitude, and other harsh environments.
Technical Specifications
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Rated voltage（kV）
40.5, 72.5, 126, 145, 170
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Rated frequency（Hz）
50/60
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First-pole-to-clear Factor
1.3/1.5
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Rated current(A)
Up to 4000
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Rated short-circuit breaking current(kA)
Up to 50
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Rated short circuit making current (peak)(kA)
Up to 125
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Rated short-time withstand current(kA)
Up to 50
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Rated peak withstand current(kA)
Up to 125
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Rated short-time withstand current duration(s)
4
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Rated operating sequence
O-0.3s-CO-3min-CO
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Mechanical edurance(times)
10000
Downloads
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Data Type (2)
Tel : +86 （021）61610502
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