110 Kv SF6 Circuit Breaker Operating Time Range IEC Standard

Basic Information
Place of Origin: XIAN
Brand Name: XG
Certification: ISO,CCC
Model Number: LW
Minimum Order Quantity: 1 SET
Price: USD300-1000
Packaging Details: WOODEN CASE
Delivery Time: 7-15 DAYS
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Detail Information
Standard: GB, IEC Standard Function: Control And Protection
Installation Location: Power Plants, Substations And Power Systems Etc Warranty: 12 Months
Package: Exporting Standard Package MOQ: 1set
Operation Type: Electric Or Manual Life Span: More Than 15 YEARS
Working Temperature: -45℃ To +40℃
High Light:

110 Kv SF6 Circuit Breaker


IEC SF6 Circuit Breaker


110 Kv circuit breaker sf6

Product Description

110 kv sf6 circuit breaker operating time range

Product Description
110 kv sf6 circuit breaker operating time range

110 kv sf6 circuit breaker operating time range



110 kv sf6 circuit breaker operating time range110 kv sf6 circuit breaker operating time range

1. Environmental Condition

  • Ambient temperature:-40℃~+40℃
  • Altitude:≤2000m
  • Wind pressure:≤700Pa
  • Daily temperature differenc:25℃
  • Icing thickness:≤10mm
  • Air pollution level:Ⅲ

2. Technical Data


No. Item Unit Data
1 Rated voltage KV 72.5
2 Rated current A 3150
3 Rated frequency HZ 50
4 First pole to clear factor   1.5
5 Rated short circuit breaking current KA 40
6 Rated short-circuit current (peak) KA 100
7 Rated short-circuit withstand current KA 40
8 Rated power frequency withstand voltage(1min) Phase to earth KV K·230
Phase to phase K·(230+70)
9 Rated lightning impulse withstand voltage Phase to earth KV K·550
Phase to phase K·(550+103)
10 Rated peak withstand current KA 100
11 Rated out of step current KA 10
12 Near fault current KA 90%1K
13 Electrical life of rated short circuit breaking current times 20
14 Rated short circuit duration s 4
15 Rated line charging close current A 31.5
16 Rated operation sequence   O-0.3s-CO-180s-CO35
17 Main circuit resistance μΩ ≤35
18 Rated SF6 gas pressure MPa 0.6
19 SF6 gas leakage rate ppm ≤0.55
20 Moisture content of SF6 gas (V/V)   ≤150
21 Mechanical life times 10000
22 Electric distance Phase to earth mm 3906/3150
Phase to phase 3906/3150
23 Each filled with SF6 gas quality kg 8
24 Quality of each circuit breaker kg 1700


3. Application


Self-energy type SF6 circuit breaker LW36B-66 is outdoor unit which is developed by our company and Xi'an High Voltage Apparatus Research Institute with sulfur hexafluoride gas as insulation and arc extinguishing medium and principle of single variable pressure cabinet type arc extinguishing. The product is suitable for 66KV three-phase AC 50HZ power system, which is used for points and load current , overload current and short circuit current.



  • GB1984
  • GB/T28001-2011 idt OHSAS18001:2007
  • GB/T24001-2004 idt ISO14001:2004
Company Information

110 kv sf6 circuit breaker operating time range


ISO 9001:2008 & National CCC certification


110 kv sf6 circuit breaker operating time range

Packaging & Shipping
110 kv sf6 circuit breaker operating time range

Contact Details

Phone Number : +8613319220197

WhatsApp : +8613319220197