Overview
The FLN36-12 type sulfur hexafluoride load switch is a medium-voltage switchgear developed with the introduction of the latest international technology and in accordance with the relevant standards of the power system. All its performance indicators fully comply with IEC and national standards, and it is an extremely ideal main component for high-voltage switch cabinets, ring main units, box-type substations and distribution switch stations.
The FLN36-12 type sulfur hexafluoride load switch is a multifunctional medium-voltage switchgear that integrates load switch, grounding switch and isolating switch. It is filled with SF6 gas at 0.045MPa in a fully sealed epoxy resin shell with a reinforced structure. The above three functions are realized with the least number of components, thus ensuring the quality and reliability of the product.
It has excellent insulation and breaking capacity, and can ensure the safe operation of the equipment for 20 years under normal conditions.
Key Features
- Three functions in one — a multifunctional medium-voltage switchgear that integrates load switch, grounding switch and isolating switch.
- Fully sealed epoxy resin shell — filled with SF6 gas at 0.045MPa in a fully sealed epoxy resin shell with a reinforced structure.
- Fewest possible components — the three functions are realized with the least number of components, ensuring product quality and reliability.
- Excellent insulation and breaking capacity — the switch offers excellent insulation and breaking capacity.
- 20-year service life — can ensure safe operation of the equipment for 20 years under normal conditions.
- Standards compliance — all performance indicators fully comply with IEC and national standards.
- Ideal RMU and switchgear component — an ideal main component for high-voltage switch cabinets, ring main units, box-type substations and distribution switch stations.
Technical Specifications
| Model | FLN36-12 |
|---|---|
| Product type | Indoor high-voltage sulfur hexafluoride (SF6) load break switch |
| Integrated functions | Load switch, grounding switch and isolating switch |
| Insulating medium | SF6 gas |
| SF6 fill pressure | 0.045MPa |
| Enclosure | Fully sealed epoxy resin shell with reinforced structure |
| Component count | Three functions realized with the least number of components |
| Insulation and breaking capacity | Excellent |
| Rated voltage class | 12 kV |
| Service life | 20 years of safe operation under normal conditions |
| Standards | Fully complies with IEC and national standards |
| Typical application | Main component for HV switch cabinets, ring main units, box-type substations and distribution switch stations |
Applications
- High-voltage switch cabinets — used as the main switching component.
- Ring main units — a main component in RMU construction.
- Box-type substations — switching inside prefabricated and box-type substations.
- Distribution switch stations — switching duties in distribution switch stations.
- Indoor medium voltage installations — where a sealed, low-maintenance SF6 load switch is required.
Installation Conditions
- The switch is an indoor medium-voltage device, so it is installed inside a switchgear cabinet, ring main unit, box-type substation or distribution switch station.
- The fully sealed epoxy resin shell with SF6 at 0.045MPa is a sealed assembly, so no gas handling is required on site under normal conditions.
- The combined load switch, grounding switch and isolating switch functions are operated as one integrated device, so the operating linkage must be checked during commissioning.
- Confirm that the installation arrangement matches the IEC and national standards required by the project.
How to Select
- The rated voltage and rated current required for the 12kV system.
- Whether the combined load switch, grounding switch and isolating switch functions cover the switching duties of the circuit.
- Whether the switch is intended for an HV switch cabinet, a ring main unit, a box-type substation or a distribution switch station.
- The required insulation and breaking capacity for the application.
- The service life expectation — the switch is rated for 20 years of safe operation under normal conditions.
FAQ
What functions does the FLN36-12 integrate?
It is a multifunctional medium-voltage switchgear that integrates load switch, grounding switch and isolating switch, realized with the least number of components.
How is the switch insulated?
It is filled with SF6 gas at 0.045MPa in a fully sealed epoxy resin shell with a reinforced structure.
What is the service life of the switch?
It can ensure the safe operation of the equipment for 20 years under normal conditions, and has excellent insulation and breaking capacity.
Does it comply with international standards?
Yes. All its performance indicators fully comply with IEC and national standards.
What equipment is the FLN36-12 used in?
It is an ideal main component for high-voltage switch cabinets, ring main units, box-type substations and distribution switch stations.
Why does the design use fewer components?
Because the three functions are realized with the least number of components, which ensures the quality and reliability of the product.
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