FLN36-40.5Dindoor Sulfur Hexafluoride Load Switch
FLN36-40.5D/T630-16 indoor sulfur hexafluoride load switch and FLN36-40.5D/125-31.5 indoor sulfur hexafluoride load switch fuse combination electrical appliances are suitable for power stations and industrial electrical equipment with three-phase AC 50/60Hz ring network or terminal power supply. They are used for load control line protection in power systems. The load switch divides and closes load current, closed-loop current, overhead transformer and cable charging current; Combination electrical appliances are suitable for breaking any current under rated short-circuit current, and are suitable for electrical complete sets of equipment such as ring substations and box type substations.
Description
Product Overview
FLN36-40.5D/T630-16 indoor sulfur hexafluoride load switch and FLN36-40.5D/125-31.5 indoor sulfur hexafluoride load switch fuse combination electrical appliances are suitable for power stations and industrial electrical equipment with three-phase AC 50/60Hz ring network or terminal power supply. They are used for load control line protection in power systems. The load switch divides and closes load current, closed-loop current, overhead transformer and cable charging current; Combination electrical appliances are suitable for breaking any current under rated short-circuit current, and are suitable for electrical complete sets of equipment such as ring substations and box type substations.
The switch meets the following standards:
GB3804-1990,IEC60256-1,1997,GB16926,IEC60420.
product normal operating environment
Environmental temperature: -25 ℃~+40 ℃, daily average temperature: 25 ℃;
Altitude: ≤ 1000m (exceeding this value can be discussed with our technical team);
The daily average relative humidity of the surrounding air is ≤ 95%, and the monthly average is ≤ 90%;Places without frequent severe vibrations.
Product Technical Parameters
| NO. | Item | Unit | Data |
| 1 | Rated voltage | kV | 36/40.5 |
| 2 | Frequency | Hz | 50/60 |
| 3 | Rated current | A | 630 |
| 4 | power-frequency withstand voltage | kV | 95/110 |
| 5 | Lightning impulse withstand voltage | kV | 185/215 |
| 6 | Rated short-time breaking current (peak value) | kA | 50 |
| 7 | Rated closed loop breaking current | A | 630 |
| 8 | Rated Active load breaking current | A | 630 |
| 9 | Rated transfer current | A | 1000 |
| 10 | Rated short-circuit withstand current | kA | 20 |
| 11 | Rated line (cable) charging breaking current | A | 50/10 |
| 12 | Cable charging interruption current (ground fault) | A | 20 |
| 13 | Rated short-time withstand current (peak) | kA | 50 |
| 14 | Short time withstand current (2s) | kA | 20 |
| 15 | Mechanical life | 次 | 2000 |
| 16 | Rated transformer capacity | kVA | ≥5000 |
| 17 | Rated SF6 inflation pressure | Mpa | 1.5 |
| 18 | Annual gas leakage rate | % | ≤0.2 |
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