Product Description
China LW25-126 outdoor H.V.A.C live tank SF6 circuit breaker
China LW25-126 outdoor H.V.A.C live tank SF6 circuit breaker |
Drawings 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 | 126 | 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 SF6 live tank circuit breaker LW25-126 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 126KV three-phase AC 50HZ power system, which is used for points and load current , overload current and short circuit current. 4.Standards - GB1984
- GB/T28001-2011 idt OHSAS18001:2007
- GB/T24001-2004 idt ISO14001:2004
5. Features a) Reliable breaking performance b) Reliable mechanical operating performance:high operational reliability, mechanical life up to more than 10000 time c) Reliable insulation d) Reliable sealing performance e) Strict process of product components |
Company Information
SF6 Circuit Breaker
SHORTEN DISTANCE WITH REAL MANUFACTURER |
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Certifications
ISO 9001:2008 & National CCC certification |
XIGAO GROUP CERTIFICATES |
gn22-12 high vacuum isolating switch/ disconnector
Packaging & Shipping
SAFE PACKAGING & FAST DELIVERY |
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