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Outdoor Mv 20kv 24kv 630A Sf6 Gas Load Break Switch Lbs / Sectionaliser

Price $2899.00
Min Order 20 Pieces
Availability In Stock
Shipping From Jiangsu, China
Popularity 276 people viewed
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Breaking Capacity:
High Voltage Circuit Breakers
Operation:
Electric Type
Speed:
High-Speed Circuit Breaker
Arc-extinguishing Medium:
SF6
Installation:
Open Frame
Structure:
ACB
Poles Number:
1
Type:
Circuit Breaker
Function:
Conventional Circuit Breaker
Certification:
CCC
Model Number:
Lw58 - 252
Rated Voltage:
220kv
Rated Current:
2500A
Frequency:
50/60Hz
Pole No.:
1
Trademark:
Vouchivan
Transport Package:
Wooden Case
Specification:
20KG
Origin:
Xuzhou, China
Product Description
Product Description
No.
Description
Technical parameters
1
Rated voltage, kV
72.5
126
145
252
3
Rated frequency, Hz
50/60
4
Rated current, A
1600~4000
3150~4000
 
1min Power frequency withstand voltage
140
230
265
460
 
Lightning impulse withstand voltage
325
550
650
1050
5
Rated short-circuit breaking

current, kA
25~40
40~63
7
Rated short circuit breaking

current (peak), kA
63~ 100
100~ 157.5
8
Rated short duration, s
3
3
3
3
 
Rated out-of-phase breaking current
10
10
10
10
 
Rated cable(line) charging

breaking current
10
31.5
50
125
 
Rated gas pressure, Mpa
0.4
0.5
0.5
0.6
 
Operation sequence
O-0.3s-CO- 180s-CO
 
SF6 gas leakage rate (per year)
≤1%
14
First of several genes
1.5
1.55
1.5
1.3
 
Main loop resistance, μΩ
≤40
≤45
≤45
≤50
 
Heater voltage
AC220
 
Control circuit and signal circuit voltage
DC220, DC230
 
Motor voltage
DC220, DC230


Description

Outdoor Sulfur Hexafluoride (SF6) dead tank  circuit breakers,

  • Rated voltage : 69 KV
  • Rated Continuous current : 1200 A / 1250A/1600A /2000A
  • Interrupting current rating:  31.5 KA
  • Frequency :  50 /60 Hz
  • Basic insulation level (BIL):  350 KV
  • With 6 pcs 150:5 ratio relaying accuracy bushing current transformers (CT)
  • Outdoor usage, with 3 pcs SF6 interrupters
  •  6-terminal pads with 4-hole each
  • Trip-free spring operation mechanism
  • 12-stages auxiliary contacts
  • Anti-condensation cabinet heater
  • Control wiring and terminal blocks
  • 110VDC trip coil
  • 48 VDC /110VDC closing coil
  • 110 /220 VDC Auxiliary voltage
  • with operation handle
  • with isolating switches
  • mechanical position indicator
  • CB frame grounding terminal holes
  • hot-dipped galvanized mounting structure
  • with gas charging device with regulator valve
  • with gas leak detector
  • with spare SF6 gas

 Circuit breakers meet the requirements specified in EN 62271-1, EN 62271-100, EN 60273, and other relevant EN (IEC) standards.


220KV 3Ph Live Tank SF6 Gas Circuit Breaker
LW Series self-energy SF6 Circuit Breaker is a three-pole/single-pole AC 50Hz/60Hz outdoor high voltage power transmission equipment for the division of the rated current, fault current or conversion lines, transmission and distribution system for protection, control and operation can be opening, closing and fast automatic reclosing operation. The circuit breaker using the latest design principles, has a simple structure, small size, low supplies, the energy needed to operate a small, high reliability, easy installation, low noise characteristics. Is my company developed a new generation of high voltage SF6 circuit breakers.

Service environment

1. Ambient temperature: -40 ºC ~ +50 ºC.
2. Daily average ambient air relative humidity ≤ 95%, on average ≤ 90%;
3. Wind pressure: less than 700pa.
4.Altitude: less than 3000m.
5.Earthquake intensity: not more than 9 degrees.
6. Air Contamination: 3 grade.
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