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ZHEJIANG LAWRENCE ELECTRIC CO., LTD.

Circuit Breaker, Breaker, Vacuum Circuit Breaker manufacturer / supplier in China, offering Outdoor Sf6 Gas Circuit Breaker (66kV/132kV), Earth Anchor, Low Voltage Type Arrester and so on.

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Supplier Homepage Product Operation and protection device vacuum circuit breaker Outdoor Sf6 Gas Circuit Breaker (66kV/132kV)

Outdoor Sf6 Gas Circuit Breaker (66kV/132kV)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Ningbo, China
Production Capacity: 20, 000PCS/Month
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Model NO.: Sf6
  • Operation: Manual Type
  • Arc-extinguishing Medium: SF6
  • Type: Circuit Breaker
  • Certification: VDE, ISO9001-2000, CE
  • Size: Any Size Can Be Ordered
  • Trademark: L&R or according to customer′s requirement
  • Specification: ISO9001: 2008
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: High-Speed Circuit Breaker
  • Installation: Fixed
  • Function: Circuit-Breaker Failure Protection
  • Brand Name: L&R or as Per Clients′ Requirements
  • OEM&ODM: Accept
  • Transport Package: Export Standard Package or as Client Requirement
  • Origin: Wenzhou, Zhejiang
Product Description
Overview:
L&R developed LW-40.5/72.5/126/145 series of outdoor SF6 gas circuit breaker using modern processing technology and comper-aided design techniques, combined with the latest generation of spring bodies and the advantages of a permanent institution,.Its pursuit of high reliability, easy to maintain design concepts to create a generation of L&R all series switches meet the following criteria.
ANSI/IEEE G37.60/IEC 62271-100( GB1984-2003 China standard)
GBT11022-11
IEC 60255-21-1 Class I
IEC 60255-21-2 Class I
IEC 60255-21-3 Class I
IEC 60255-22-1 Class III
IEC 60255-22-2 Class IV
IEC 60255-22-3 Class III
IEC 60255-22-4 Class IV

Main features
1, molecule sieva 2. porcelain insul. ator
3, nozzle 4 pressure cylinder
5, valve disc 6. piston
7, moving contact pedestal 8. pull rod
9, moving contact finger 10. main contact
10, moving arc contact 12. fixed arc contact
13, fixed contact finger
14, fixed contact pedestal
 
NameUnitparameter
reted voltagekv40.572.5126145
rated frequencyHz50/60
rated current A1250,......4000
1min power frequency withstand voltageKV95/118140230265
lightning impulse withstand voltageKV215325550650
5min power frequency voltage at zero gas pressureKV40.55595109
rated short circuit breaking currentKV63,.8080,..10080,..10080,..100
rated short breaking currentKV21,...31.531.5,...4031.5,...4031.5,...40
rated out-of-phase breaking currentKV8/10101010
rated cable(line) charging breaking currentA31.51031.550
rated gas pressureMpa0.4/0.150.40.50.5
main loop resistanceμΩ≤80≤40≤45≤45
operation sequence O-0.3s-CO-180s-CO
SF6 gas leakage rate (per year)%≤1
moisture content(v/v)ppm≤150   
creepage distanceacross the open contactsmm125623003950≥3950
to earth 125623003950≥3950
mechanical lifetimes10,000
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