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Available Configurations
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Two-Position Configuration
Close and open positions for load-switching applications in medium-voltage distribution systems.
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Three-Position Configuration
Close, open and earth positions integrate load switching, isolation and earthing functions for medium-voltage distribution applications.
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Switch-Fuse Combination
FLRN36 switch-fuse combinations provide coordinated switching and fuse protection for transformer and feeder applications.
Operating Options
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01
Manual Operation
Manual spring-operated mechanism for local operation and standard switchgear applications. -
02
Motorized Operation
Motorized operating mechanism for remote operation and automation, with applicable control and auxiliary options.
24 kV Standard & Compact Options
Standard 24 kV configurations are available for general switchgear applications, while a compact version with 230 mm phase-to-phase distance is available for space-limited installations.
Technical Specifications
| Parameter | Specification | ||||
| Rated Voltage | 12 kV | 17.5 kV | 24 kV | 36 kV | 40.5 kV |
| Rated Frequency | 50 / 60 Hz | 50 / 60 Hz | 50 / 60 Hz | 50 / 60 Hz | 50 / 60 Hz |
| Rated Current | 630 A | 630 A | 630 A | 630 A | 630 A |
| Rated Short-Time Withstand Current | 20 kA | 20 kA | 20 kA | 20 kA | 20 kA |
| Rated Short-Circuit Making Current | 50 kA | 50 kA | 50 kA | 50 kA | 50 kA |
| Power-Frequency Withstand Voltage | 28 kV | 38 kV | 50 kV | 70 kV | 95 kV |
| Lightning Impulse Withstand Voltage | 75 kV | 95 kV | 125 kV | 170 kV | 185 kV |
| Switching Positions | Two / Three | Two / Three | Two / Three | Two / Three | Two / Three |
| Operation | Manual / Motorized | Manual / Motorized | Manual / Motorized | Manual / Motorized | Manual / Motorized |
| Mechanical Endurance | Product-Specific | Product-Specific | Product-Specific | Product-Specific | Product-Specific |
| Applicable Standard | IEC 62271-103 | IEC 62271-103 | IEC 62271-103 | IEC 62271-103 | IEC 62271-103 |
Note: Available ratings and performance parameters depend on product configuration and project requirements.
Standards, Testing & Documentation
IEC-Oriented Design
Designed with reference to IEC 62271-103 and applicable project requirements. Switch-fuse combinations are designed with reference to IEC 62271-105 where applicable.
Factory Routine Testing
Electrical, mechanical and operating checks are carried out before shipment according to product configuration.
Project Documentation
Technical datasheets, outline drawings, wiring diagrams and test records can be provided for project review.
Discuss Your SF₆ Load Break Switch Requirements
Share your system voltage, rated current, switching configuration, switch-fuse requirements and switchgear requirements with our engineering team.
MV & LV Equipment Manufacturer · Wenzhou, China
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