Cylindrical Fuse Holder
Cylindrical fuse holders are rated for insulate voltage up to 690V and working frequency 50Hz AC, with conventional free air thermal current up to 125A. They are compliant with GB13539.1 GB/T13539.2 and IEC60269-1 IEC60269-2 standards.





Technical Specifications
Product Overview
Cylindrical Fuse Holder Overview
These cylindrical fuse holders are designed to support fuses up to 22x58mm, offering robust protection in electrical systems. They function as both fuse supports and disconnecting switches, with multi-phase combination capabilities for versatile installation. Engineered for safety and reliability, these units feature DIN rail mounting and optional safety locks to prevent accidental operation, making them suitable for demanding industrial and commercial applications.
Electrical Ratings
- Rated Insulation Voltage
- 690 V
- Conventional Free Air Thermal Current
- 125 A
- Working Frequency
- 50 Hz
Technical Specifications
Compliance Standards
- Compatible Fuse Sizes
- Up to 22x58mm14x51mm
- Mounting Method
- DIN Rail
Design Features
Key Design Features
- Multi-phase combination capability
- Power cut function via double breaking points
- Safety lock against wrong operation (RT18L model)
- Optional indicator for fuse link breakage
- Plastic-injected case construction



