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Ningbo Ville Electric Co., Ltd.

Sf6 Circuit Breaker, Circuit Breaker, Vacuum Circuit Breaker manufacturer / supplier in China, offering Sf6 Circuit Breaker; Outdoor AC Hv Sf6 Circuit Breaker, 230kv Auto Power Transformer / Power Distribution Transmission /Power Transformer, Distribution Transformer/Power Substation and so on.

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Supplier Homepage Product High Voltage Circuit Breaker Sf6 Circuit Breaker; Outdoor AC Hv Sf6 Circuit Breaker

Sf6 Circuit Breaker; Outdoor AC Hv Sf6 Circuit Breaker

FOB Price: US $1,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1,000/ Piece
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Production Capacity: 50000
Transport Package: Wooden Cases
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Model NO.: LW8-40.5
  • Operation: Electric Type
  • Arc-extinguishing Medium: Air
  • Structure: Conventional Circuit Breaker
  • Type: Circuit Breaker
  • Trademark: VILLE
  • Origin: Ningbo
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: High-Speed Circuit Breaker
  • Installation: Fixed
  • Certification: ISO9001-2000, CE, CCC
  • Function: Overcurrent Protection, Circuit-Breaker Failure P
  • Specification: IEC
Product Description
LW8-40.5kV SF6 Circuit Breaker
LW8-40.5 Outdoor HV SF6 circuit breaker is three-phase AC 50Hz outdoor high voltage electrical equipment for 35kV transmission and distribution system control and protection can also be used for opening and closing of contact breaker and capacitor bank of the occasion, and current transformer can be included for measurement and protection purposes. Circuit breaker equipped with CT14-type spring operating mechanism. Meet the national standard GB1984-89 "AC high voltage circuit breakers" and the International Electrotechnical Commission standards IEC56 publication, "High-voltage AC circuit breaker" requirements.
1. Breaking performance, arcing time is short, long electrical life at rated voltage continuously breaking 31.5kA 20 times without maintenance, not replacement of sulfur hexafluoride gas.
2. Insulation reliable pressure gauge when the zero-tolerance 40.5kV/10min;
3 mechanical reliability is high, closing ability, can often operate;
4 to open and close without capacitor current 400A renewed;
5.25, 50 km long cut empty without renewed;
6 simple structure, small size, long period without maintenance.
Rated working voltage V AC220 AC380 DC48 DC110 DC220
Rated working current A 3.5 2 12.3 4.6 2.3
20°C  coil resistance 6.96 23.74 3.9 23.9 95.69
Normal working voltage range 65%-120% rated working voltage, the breaking operation is disallowed after 3 times continuous operation at the voltage of less 30%.

Rated working voltage V DC220        AC220
Rated working current A 5
Normal working voltage range 85%-110% rated working voltage
The charging time at rated working voltage S Less 15

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