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This 12kV indoor SF6 load break switch is independently developed and manufactured by Anqiang Electric Power. The product model is FLN36-12D. It features a three-position ("close-open-ground") arc extinguishing chamber, high insulation strength at the contact points, and reliable sealing. It is suitable for three-phase AC 10kV or 12kV power systems with a rated frequency of 50Hz. It is also a key component of high-voltage switchgear, gas-insulated switchgear, ring main units, packaged substations, and distribution substations.
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Project Name |
Parameter value |
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Rated voltage |
12 kV |
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Rated frequency |
50 Hz |
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Rated current |
630 A |
|
Rated short-time withstand current of the load switch |
20/3 KA/S |
|
Rated short-time withstand current of the grounding switch |
20/2 KA/S |
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1-minute power frequency withstand voltage |
42/48 KV |
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Lightning impulse withstand voltage |
75/85 KV |
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Mechanical life |
2000 times |
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SF6 rated gas pressure (gauge pressure at 20℃) |
0.04-0.05 Mpa |
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Main circuit resistance |
≤80uΩ |
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Opening and closing speed |
≥ 2.6 m/s |
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Switching synchronization (opening and closing) |
≤ 6 |
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SF6 gas leakage rate |
≤ 0.01 |
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Model |
Rated voltage |
Fuse rated current |
Rated current of the fuse element |
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SDLAJ |
12kv |
40A |
6.3/10/16/20/25/31.5/40 |
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SFLAJ |
12kv |
100A |
50/63/71/80/100 |
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SKLAJ |
12kv |
125A |
125 |
Address
Jinlu Industrial Zone, Beibaixiang Town, Yueqing City, Wenzhou City, Zhejiang Province, China
