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FLN36 Indoor SF6 Gas Insulated Load Break Switch
Product Overview
- Material: Copper with Silver Glavizanition, Epoxy Resin Tank
- Rated Voltage: 12kV, 15kV, 24kV, 36kV, 40.5kV
- Rated Current: 630A
- Standards: IEC 62271-102
- Use for Air Switchgear, Ring Main Units
- Arc-extinguish: SF6 Gas
FLN36 Indoor SF6 Gas Insulated Load Break Switch
General
FL(R)N36 Indoor AC High Voltage SF6 Load Break Switch and LBS-Fuse Combination are used for the three-phase AC 50/60Hz RMU and terminal power station. The switches are suitable for protecting the 10kV, 24kV and 35kV power system’s on load situation. The switch can switch off the on load current, closed loop current, no load transformer capacity and cable charging current. The switch with fuse combination can cut off any current, when the current is in the range of the rated short-circuit breaking current. They are suitable for the RMU, combined transformer, etc..
General
FL(R)N36 Indoor AC High Voltage SF6 Load Break Switch and LBS-Fuse Combination are used for the three-phase AC 50/60Hz RMU and terminal power station. The switches are suitable for protecting the 10kV, 24kV and 35kV power system’s on load situation. The switch can switch off the on load current, closed loop current, no load transformer capacity and cable charging current. The switch with fuse combination can cut off any current, when the current is in the range of the rated short-circuit breaking current. They are suitable for the RMU, combined transformer, etc..
Technical Data
| Technical specification FLN36 | |||||
| Rated Voltage | kV | 12 | 24 | 36(40.5) | |
| Rated Current | A | 630 | 630 | 630 | |
| Rated Power Frequency | Hz | 50/60 | 50/60 | 50/60 | |
| Short Circuit Making Capacity | kApeak | 62.5 | 50 | 50 | |
| Peak Withstand Current | kApeak | 62.5 | 50 | 50 | |
| Short Time Current | |||||
| – 1sec. | kA | 25 | 25 | 25 | |
| – 2Sec. | kA | 20 | 20 | 20 | |
| Max. Breaking Capacity in Co-operation with Fuses (test duty 4, IEC 62271-105) | A | 1530 | 920 | 630 | |
| Mainly Active Load Breaking Capacity | A | 630 | |||
| Cable Charging Current | A | 630 | |||
| Max. fuse current(XRNT Fuse) | A | 200 | 200 | 100 | |
| Power frequency withstand voltage 50Hz 1 min. | |||||
| – To earth and between poles | kV | 42 | 55 | 95 | |
| -Across isolating distance | kV | 45 | 70 | 120 | |
| Impulse Withstand voltage 1.2/50μs | |||||
| – To earth and between poles | kV | 75 | 125 | 190 | |
| -Across isolating distance | kV | 85 | 145 | 220 | |
| Mechanism Endurance | cycles | 1000 | |||
Drawings
Packing Details
| Model | Description | Gross Weight/kgs | Net Weight/kgs | Volumn/m3 | Packing Size/m |
| FLN36-12 | 12kV SF6 LBS P=210mm | 48 | 45 | 0.18 | 0.79×0.44×0.52 |
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