Customization: | Available |
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Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Manual Type |
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Summary:
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 protecting the line of 10kV Electric Power Load Control System in three-phase 50Hz ring network or terminal power supply and industrial electrical equipment.
The load switch can handle load current, closed loop current, no-load transformer, and cable charging current. The combined apparatus can break any current reaching the rated short circuit, making it suitable for ring network units, box type substations, and more.
This product is ideal for urban residential areas, small substations, opening and closing stations, industrial and mining enterprises, large shopping malls, airports, subways, hospitals, stadiums, etc.
Ambient condition:
1. Altitude: ≤2000m
2. Ambient temperature: -40°C ~+40°C
3. Earthquake intensity: ≤8 degree
4. Relative humidity: Daily averages ≤95%, Monthly average≤90%
Company name: Yueqing Liyond Electric Co., Ltd.
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 | 630 | ||||
Rated closed loop dropout current | 630 | ||||
Rated transfer current | 1700 | ||||
Lightning impulse withstand voltage(peak) | kV | phase to earth, between phase 75, fracture 85 | |||
1 min power frequency withstand voltage | 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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