Outdoor Substation 3 Pole 66kv Sf6 Gas Circuit Breaker with Spring Mechanism
Outdoor Substation 3 Pole 66kv Sf6 Gas Circuit Breaker with Spring Mechanism image
Get Latest Price Request a quote
Basic Info.
Product Description
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
Name | Unit | parameter | ||||
reted voltage | kv | 40.5 | 72.5 | 126 | 145 | |
rated frequency | Hz | 50/60 | ||||
rated current | A | 1250,……4000 | ||||
1min power frequency withstand voltage | KV | 95/118 | 140 | 230 | 265 | |
lightning impulse withstand voltage | KV | 215 | 325 | 550 | 650 | |
5min power frequency voltage at zero gas pressure | KV | 40.5 | 55 | 95 | 109 | |
rated short circuit breaking current | KV | 63,.80 | 80,..100 | 80,..100 | 80,..100 | |
rated short breaking current | KV | 21,…31.5 | 31.5,…40 | 31.5,…40 | 31.5,…40 | |
rated out-of-phase breaking current | KV | 8/10 | 10 | 10 | 10 | |
rated cable(line) charging breaking current | A | 31.5 | 10 | 31.5 | 50 | |
rated gas pressure | Mpa | 0.4/0.15 | 0.4 | 0.5 | 0.5 | |
main loop resistance | μΩ | ≤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 distance | across the open contacts | mm | 1256 | 2300 | 3950 | ≥3950 |
to earth | 1256 | 2300 | 3950 | ≥3950 | ||
mechanical life | times | 10,000 |
We are China Outdoor Substation 3 Pole 66kv Sf6 Gas Circuit Breaker with Spring Mechanism manufacture and supplier,You can get more details with Email,you will get cheap price or factory price.
Get Latest Price Request a quote
Popular laurenceelectirc Products
Composite Suspension/Tension Insulator for High Voltage
Tension Clamp Preformed Dead End Guy Grip 7/4.0
ABC Tension Clamp Anchor Bracket/Dead End Suspension Clamp
Composite Insulator Fsw-10/3 Pin Polymer Insulator
Stainless Steel U Bolt / Zinc Plated Carbon Steel U-Bolts
Popular Outdoor Substation 3 Pole 66kv Sf6 Gas Circuit Breaker with Spring Mechanism Products
Popular Sf6 Circuit Breaker Products
Lw36 High Voltage 66kv Switchgear Disconnector Sf6 Circuit Breaker
Gw8-12g/630-20 Outdoor Use, Pole Mounted Dry Type Vacuum Circuit Breaker
110kv Outdoor Hv Sf6 Gas Live Tank Disconnector Circuit Breaker