FLN36-12 / 24 / 35 Load Break Switch
Compact SF6 load-break switch and switch-fuse solution for ring main units, transformer feeders and medium-voltage distribution systems.
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Product Overview
The FLN36 series is a three-position SF6 load-break switch family designed for compact ring main units and medium-voltage switchgear. It combines load switching, isolation and earthing functions in one compact assembly. Manual and motorized operating mechanisms, switch-fuse combinations and project-specific interlocking can be configured to suit the approved single-line diagram.
Why Choose the FLN36 Series?
Compact Integration
Designed for space-efficient RMU and compact switchgear assemblies.
Three-Position Operation
Load break, isolation and earthing functions simplify feeder configuration.
Flexible Mechanisms
Manual or motorized operation can be selected for local or remote control.
Project Support
SLD review, GA drawings, technical submittals and FAT coordination are available.
Switch-Fuse Option
Suitable for transformer feeder protection when configured with HV fuses.
OEM & EPC Supply
Branding, interfaces and documentation can be adapted to the project scope.
Technical Parameters
| Parameter | Typical Selection |
|---|---|
| Product Series | FLN36-12 / FLN36-24 / FLN36-35 |
| Rated Voltage | 12 kV / 24 kV / 35 kV class |
| Rated Frequency | 50 / 60 Hz |
| Rated Current | Up to 630 A |
| Short-Time Withstand Current | Up to 20 kA, 3 s |
| Operating Positions | Closed / Open / Earthed |
| Operating Mechanism | Manual or motorized |
| Available Configuration | Load-break switch or switch-fuse combination |
| Installation | Indoor RMU or compact MV switchgear |
Final ratings, insulation level, fuse selection, mechanism and interfaces are confirmed against the project specification and approved SLD.
Typical Applications
Ring Main Units
Incoming, outgoing and transformer feeder switching in compact distribution networks.
Prefabricated Substations
Medium-voltage switching and transformer feeder protection.
Industrial Distribution
Factories, processing plants, mining and infrastructure facilities.
Renewable Energy
Solar, wind and energy-storage collector and auxiliary distribution systems.
Commercial Projects
Data centers, campuses, airports, rail and large building networks.
Utility & EPC Projects
Project-specific assemblies supported by drawings and technical documentation.
Configuration & Deliverables
- Load-break switch or switch-fuse combination
- Manual or motorized operating mechanism
- Earthing switch and mechanical interlocking
- Auxiliary contacts, position indication and remote-control interfaces
- GA drawing, SLD review and technical datasheet
- Inspection, routine testing and FAT documentation by project
Selection Information
For an accurate proposal, send the rated voltage, frequency, rated current, fault level, quantity, SLD, transformer rating and required control method. Our team will recommend the appropriate FLN36 model and configuration.
Request Technical DatasheetRequest GA DrawingRequest Selection SupportFrequently Asked Questions
Can the FLN36 be supplied for 12 kV, 24 kV and 35 kV projects?
Yes. The model, insulation level and dimensions are selected for the required voltage class and switchgear design.
Can it be motorized?
Yes. Manual and motorized operating mechanisms are available according to the control philosophy.
Can Qiangchi support OEM and EPC projects?
Yes. We support project-specific configurations, documentation, drawings, branding and pre-shipment inspection requirements.
Start Your MV Project
Send your SLD, BOQ or technical specification for model selection and quotation.
Request a QuotationEmail SalesWhatsApp EngineerReviewed by Qiangchi Engineering Team · Updated September 11, 2026
Engineering Answers for FLN36 Load Break Switch
What is this product?
FLN36 Load Break Switch is a Qiangchi medium-voltage product configured for project-specific distribution requirements.
Which voltage levels are available?
12 / 24 / 35 kV product variants, selected according to the project system and switchgear design.
Where is it used?
It is used in ring-main units and medium-voltage distribution switching applications.
How to select the configuration?
Selection follows the system voltage, rated current, short-circuit level, functional units, protection concept, cable interface, installation conditions and approved SLD.
Which standards and tests apply?
Applicable standards and test scope follow the confirmed FLN36 variant and controlled technical documents.
What information is required for quotation?
Send the SLD, system voltage, frequency, rated current, short-circuit level, quantity, project stage, required documents and delivery requirements.