Active Member
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[China]
Address: 21/F, Building 1, No. 816,Jinghua Road, Hi-tech Zone,Ningbo, Zhejiang, P.R. China
Contact name:Tony ma
Ningbo Tian'an Jinghua Power Technology Co., Ltd. |
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50KA 100A Vacuum Load Break Switch Indoor Vacuum Circuit Breaker FN5-12
General of 50KA 100A Vacuum Load Break Switch Indoor Vacuum Circuit Breaker FN5-12
FN5-12 FN5-12RD FN5-12R Series Indoor Alternative Current High
Voltage Load switch is suitable in 50Hz, 10kV alternative current,
power supply net for breaking load current and closing short
circuit current. Load switch with fuse can close and open short
circuit current for protection.
Specified CS manual operative mechanism or CS6-1 manual operative
mechanism couldbe matched with this kind of series switches.
Service condition of 50KA 100A Vacuum Load Break Switch Indoor Vacuum Circuit Breaker FN5-12
1. The altitude does not exceed 1000m.
2. The ambient air temperature: Highest:+40oC, the lowest:-10oC
3. The relatire Humidity of air not bigger 90% (around the 25oC
envirenment)
4. The working situation have no conductivity dust.
5. The working situation have no corrosive gas of affect insulation
and destroy metal.
6. The working situation without violent vibration and striking.
7. The working situation have no explosive danger and fire.
Technical parameter of 50KA 100A Vacuum Load Break Switch Indoor Vacuum Circuit Breaker FN5-12
| Name | Unit | Technical Data | |
| Rated Voltage | kV | 12 | |
| Rated Frequency | Hz | 50 | |
| Rated Current | A | 400 | 630 |
| Rated Short-time Withstand Current | kA | 12.5/4 | 20 /2 |
| Rated Peak Withstand Current | kA | 31.5 | 50 |
| Rated Close Circuit Breaking Current | A | 400 | 630 |
| Rated Active Loading Breaking Current | A | 400 | 630 |
| 5% Rated Active Loading Breaking Current | A | 20 | 31.5 |
| Rated Cable-charging breaking Current | A | 10 | |
| Rated No-load Transformer Breaking Current | 1250kVA Transformer No-load Current | ||
| Rated Short-circuit Making Withstand Current | kA | 31.5 | 50 (Peak Value) |
| Load Current Breaking Times | (Load/times) | 100%/20 60%/35 30%/75 5%/80 | |
| 1min power frequency withstand voltage | kV | Clearance between poles and clearance to earth 42, isolating distance 48 | |
| Lightning impulse withstand voltage | kV | Clearance between poles and clearance to earth 75, isolating distance 85 | |
| Operation Force | Nm(N) | 90 (180) | 100 (200) |
| Dimensions | mm | 768×330×460 | 768×330×627 |
| Packing Dimensions | mm | 810×500×420 | 810×650×420 |
Technical Data of Load Switch-fuse Combination Apparatus:
| Name | Unit | Technical Data |
| Rated voltage | kV | 12 |
| Rated frequency | Hz | 50 |
| Rated current | A | 100 |
| Rated short-circuit breaking current(r.m.s) | kA | 40 |
| Rated short-circuit makking current(r.m.s) | kA | 100 |
| 1min power frequency withstand voltage | kV | Clearance between poles and clearance to earth 42, isolating distance 48 |
| Lightning impulse withstand voltage | kV | Clearance between poles and clearance to earth 75, isolating distance 85 |
| Fuse striking output energy | J | 2-5 |
| Rated Transformer Current | A | 1400 |
| Net Weight | kg | 53 |
| Packing Dimensions | mm | 980×810×420 |
Technical Data of Fitted Fuse of Combination Apparatus:
| Model | Rated voltage (kV) | Rated current (A) | Rated Current of Melter (A) | Rated Breaking Current (r.m.s) (kA) |
| XRNT.SDLAJ | 12 | 40 | 6.3, 10, 16, 20, 25, 31.5, 40 | 40 |
| XRNT.SFLAJ | 12 | 100 | 50,63,80,100 |
