Refine Technology Limited

Sf6 Breaker, Sf6 Circuit Breaker, China Circuit Breaker manufacturer / supplier in China, offering Outdoor Sf6 Circuit Breaker (72.5/126/145KV) , Circuit Breaker, Electrical Copper and Aluminum Cable Cutting Tool Lk-60A, Electrical Cable Cutter Hand Tools Cable Stripper Lk-38A and so on.

Supplier Homepage Product List Fuse & Cutout Circuit Breaker Outdoor Sf6 Circuit Breaker (72.5/126/145KV) , Circuit Breaker

Outdoor Sf6 Circuit Breaker (72.5/126/145KV) , Circuit Breaker

FOB Price:US $1,000 / Piece
Min. Order (Pieces) FOB Price
1+ US $1,000 / Piece
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Min. Order: 1 Piece
Production Capacity: 10 000 Per Month
Transport Package: Wooden Case
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union

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Basic Info.

Model NO.:SF
Breaking Capacity:High Voltage Circuit Breakers
Operation:Electric Type
Speed:Normal Type Circuit Breaker
Arc-extinguishing Medium:SF6
Poles Number:1
Type:Circuit Breaker
Function:Conventional Circuit Breaker
Certification:VDE, ISO9001-2000, CE, UL, CB, CCC
Specification:IEC, ANSI, GB
HS Code:8536300000

Product Description

Outdoor Sf6 Circuit Breaker (72.5/126/145KV), Circuit Breaker

-Ambient Condition:

1. Altitude: 1000m (high-altitude is of particular order);

2. Ambient temperature: -25 ~+40 (under -25 is of particular order);

3. Maximum wind speed: 42.2m/s;

4. Earthquake intensity: 8 degree;

5. Pollution degree: (25kV/mm), (31kV/mm)

-Product Features:

1. Excellent breaking performance of arc-extinguish chamber;

2. Good insulation capacity;

3. Dependable mechanical maintenance;

4. Reduction of noise;

5. Convenient installation and debugging;

6. Dependable air-proof feature;

7. Long mechanical life and maintenance-free;

8. Safe and reliable operation.

- Technical Parameter as follows:
1Rated VoltageKV72.5, 126, 145
2Rated CurrentA1250, 1600, 2000, 3150
3Rated FrequencyHZ50, 60
4Rated Short-Circuit Withstand Current 4sKA31.5, 40
5Rated Short-Circuit DurationS4
6Rated Short-circuit Breaking CurrentShort-circuit CurrentKA31.5, 40
DC Shunt-44%
7Rated Short-circuit Making Current (peak)KA80, 100
8Rated Peak Withstand CurrentKA80, 100
9Short-line Fault Breaking CurrentKAle x 90%      le x 75%
10Rated out-of-phase breaking currentKAle x 25%
11Rate Charging Line Breaking CurrentA10, 31.5, 50
12Rated   Insulating Level1 min P. F Withstand VoltageAcross Open ContactsKV200, 265, 315
Phase to Phase160, 230, 275
Phase to Earth160, 230, 275
Lightning Impulse Withstand Voltage (peak)Across Open Contacts385, 630, 650
Phase to Phase350, 550, 650
Phase to Earth350, 550, 650
5 min Zero-pressure Withstand Voltage Test (Virtual Value)Phase to Phase95
Phase to Earth95
13First Pole to Clear Factor-1.5
14Rated Operate Sequence-O-0.3S-CO-180S-CO; CO-15S-CO
15Full Breakingms≤ 60
16SF6 Gas Rated Pressure (20 o C)Mpa0.60
17Alarming Pressure0.55
18Locking Pressure0.50
19Terminal Static Pulling PowerLevel LengthwaysN1250
Level Transverse750
20Fixed Opening TimeRated Voltagems30 ± 3
21Closing Timems75 ± 8
22Reclosing O-0.3S-3COPrimary Opening Timems30
OC Time280-300
Closing Time75
CO Time≤ 60
Second Opening Time35
23Control Circuit VoltageVAC/DC, 110/220
24CO Loop VoltageVAC/DC, 110/220
25CO Loop CurrentA2
26Motor VoltageVAC/DC, 110/220
28Heater VoltageVAC220
29Mechanical DurationTimes6000, 10000
30Radio Interrupting Voltageμ V≤ 500
31Electrical life of rated short-circuit breaking currentTimes20
32Protection grade of enclosure-IP4X
33Creepage Distancemm1813, 2248, 3150, 3800, 4495, 5800
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