Place of Origin: | Zhejiang |
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Location: | Wenzhou, Zhejiang, China (Mainland) |
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Business Type: | Manufacturer, Trading Company |
Main Products: | Circuit Breaker, Switch Power Supply, Solid State Relay, High Voltage Current Limiting Fuse, Miniature Circuit Breaker |
Model No.: | FZN21-12 and FZN21-12(R)D |
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Certificate: | CE,ISO |
Export Area: | all over the world |
No | Item | Unit | Value | ||
1 | Rated voltage | kV | 12 | ||
2 | Rated frequency | Hz | 50 | ||
3 | Rated current | A | 630 | 125 | |
4 | Rated insulation level | 1min power frequency withstand voltage | kV | Arc-quenching chamber fracture 30 | |
(effective value) | Earth , phase 42, insulating fracture 48 | ||||
Lightning impulse withstand voltage (peak) | Earth , phase 75, insulating fracture 85 | ||||
5 | Rated dynamic current (peak) | kA | 50 | ||
6 | 4S thermal current | kA | 20 | ||
7 | Rated power load breaking current | A | 630 | ||
8 | Rated closed-loop breaking current | A | 630 | ||
9 | Rated cable charge breaking current | A | 10 | ||
10 | Rated breaking no-load transformer capacity | KVA | 1250 | ||
11 | Rated breaking AC current | A | 3150 | ||
12 | Rated short-circuit closed current | kA | 50 | ||
13 | Rated current breaking times | times | 2000 | ||
14 | Mechanical life | times | 10000 | ||
15 | Permitted wear-thickness of vacuum arc-quenching chamber contact | mm | 2 | ||
16 | Manual operating torque | Nm | >200 |