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EFH DC series holders are designed for the installation and safe operation of CH DC cylindrical fuses in DC circuits. They ensure reliable electrical contact, mechanical retention of the fuse link, and protection of the user against accidental contact with live parts. The EFH 10 DC and EFH 14 DC are compatible with the popular fuse sizes 10×38 and 14×51 respectively, including gPV-rated versions for photovoltaic systems and BATTERY Fuses for rechargeable batteries.
Key Benefits
- Compatibility with DC fuses — supports standard sizes 10×38 mm (EFH 10 DC) and 14×51 mm (EFH 14 DC).
- DIN-rail mounting (TH35) for easy integration into modular panels and combiner boxes.
- High degree of protection — housing made of heat-resistant material, IP20 rating, protection against accidental contact.
- Optional LED indication of fuse operation for quick diagnosis of fault conditions.
- Modularity — ability to combine multiple holders into groups using special busbars and connectors.
- Compliance with standards — IEC 60947-1/-3, UL 4248-1/-19 (for certain models).
Technical Specifications
EFH 10 DC
- Application: 10×38 mm cylindrical fuses (gPV, BATTERY Fuses).
- Rated voltage: up to 1000 V DC.
- Number of poles: 1 or 2.
- Mounting: DIN rail TH35.
- Applications: photovoltaic systems, rechargeable batteries, DC distribution.
EFH 14 DC
- Application: cylindrical fuses 14×51 mm (gPV, BATTERY Fuses).
- Rated voltage: up to 1000 V DC.
- Number of poles: 1 or 2.
- Mounting: DIN rail TH35.
- Applications: high-current DC circuits, PV stations, industrial and backup power systems.
Areas of application
- Photovoltaic (PV) systems with voltages up to 1000 V DC.
- Energy storage systems (ESS) and battery banks.
- DC distribution panels and combiner boxes.
- Inverter-charger systems and industrial DC networks.
Total-Energo LLC — official supplier
The company Total-Energo LLC offers official supplies of EFH DC holders and compatible CH DC fuses. We provide consultation on equipment selection, supply certified products, and offer technical support at all stages of the project.