| Customization: | Available |
|---|---|
| Breaking Capacity: | Low Voltage Circuit Breakers |
| Operation: | Manual Type |
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FLN36/48- 12D/T630-25 indoor AC high voltage SF6 load switch and FLRN36/48- 12D/T1250-31.5 indoor AC high voltage SF6 load switch fuse combination apparatus is suitable for three-phase 50Hz ring network or terminal power supply and industrial electrical equipment, for protecting the line of 10kV Electric Power Load Control System.
The load switch can be divided into load current, closed loop current, no-load transformer and cable charging current;
The combined apparatus is capable of breaking any current which is reach to rated short circuit, and is suitable for the electrical equipment of the ring network unit, the box type substation and so on.
The utility model is especially suitable for places such as the distribution of the urban residential areas, the small two substations, the opening and closing stations, the industrial and mining enterprises, large shopping malls, airports, subways, hospitals, stadiums, etc.
| Item | Unit | Data | ||
| FLN48-12D/T630-25 | FLRN48-12D/T1250-31.5 | |||
| rated voltage | kv | 12 | ||
| Rated frequency | Hz | 50 | ||
| Rated current | A | 630 | 1250 | |
| Rated active load breaking current | A | 630 | ||
| Rated closed loop dropout current | A | 630 | ||
| Rated transfer current | A | 1700 | ||
| Lightning impulse withstand voltage(peak) | kV | phase to earth, between phase 75, fracture 85 | ||
| 1 min power frequency withstand voltage | kV | phase to earth, between phase 42, fracture 48 | ||
| Rated short-time withstand current(2s) | kA | 25 | ||
| Rated peak withstand current | 63 | |||
| Rated short-circuit closing current(peak) | 63 | 80(expected) | ||
| Fuse type | S LAJ-12 | |||
| Output energy of impactor | J | 1+0.5 | ||
| Mechanical life | Load switch | times | 5000 | |
| Earth switch | 2000 | |||
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