Ningbo Tianan (Group) Co.,Ltd.
Ningbo Tianan (Group) Co.,Ltd
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Indoor Gas - insulated Metal - Clad Switchgear 12KV Power Distribution Cabinet
HXGT6B-12F-T630-20 series ,SF6 Ring Main Unit Switchgear / Gas-insulated Metal-Clad Switchgear ,which is new environmentally-friendly type applied in city grid transformation and construction.
Technical Parameters of HV Fuse
| Type | XRNT-12 | XRNT-24 |
| Rated Voltage | 12 | 24 |
| Rated Fuse Current | 100 | |
| Rated Fusant Current | 10/16/20/31.5/40/50/63/80/100 | |
| Rated Breaking Current | 31.5 | |
Electrical parameters of load switch ,load switch-fuse composie apparatus and circuit breaker
| Item | Unit | Parameters | |||||
| Unit | Load Switch | Composite apparatus | Circuit breaker | ||||
| 1 | Rated Voltage | kV | 12,24 | ||||
| 2 | Rated Frequency | Hz | 50/60 | ||||
| 3 | Rated Current | A | 630 | 100 | 1250 | ||
| 4 | Rated Short-time Withstand Current | kA/s | 20/4,25/2 | 20/4,25/2 | |||
| 5 | Rated Short Circuit Making Current (Peak) | kA | 50 | 50,63 | |||
| 6 | Mechanical Life | Times | 5000 | 5000 | 10000 | ||
| 7 | 1min Power Frequency Withstand Voltage to Earth, Between Phases/ Across the open gap | kV | 42/48,65/79 | ||||
| 8 | Lightning Impulse Withstand Voltage to Earth, Between Phases/ Across the open gap | kV | 75/85,125/145 | ||||
| 9 |
Rated single capacitor bank/ back to back capacitor bank breaking current |
A | 630/400 | ||||
| 10 | Motor Operational Power Supply, Voltage | V | DC48, AC220, 110 | ||||
| 11 | Rated Short circuit breaking current | A | 31.5 | 20 ,25 | |||
| 12 | Rated Transfer Current | A | 1500 | ||||