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The 10/14x85 and EFH 10/14x85 T series holders are reliable, high-quality electrical installation components designed for mounting cylindrical fuses in the 10×85, 10/14x85 mm and 10/14x85 T mm in DC systems. They are widely used in high-power photovoltaic installations, industrial switchboards, and power facilities where a high level of safety and operational stability is required.
The use of EFH holders ensures reliable contact, high breaking capacity, and ease of maintenance. They are designed in accordance with international standards and are capable of withstanding extreme operating conditions. The housing is made of heat- and fire-resistant materials, ensuring a long service life even in harsh climatic conditions.
Models with the T index are equipped with LED indication of the fuse status. This significantly simplifies fault diagnosis and allows for quick identification of a blown fuse without shutting down the entire system. The LED indicator operates over a wide range of DC voltages, which is particularly useful for maintaining large solar power plants.
Key Specifications
- Compatibility with fuses: 10×85, 10/14×85 mm and 10/14×85 T mm (depending on the selected model) of the gPV type.
- Rated voltage: up to 1500 V DC (depending on the model).
- Rated current: up to 30–50 A (depending on the size).
- Breaking capacity: 30 kA DC — guaranteeing reliable protection even in the event of severe fault currents.
- Utilization class: DC-20B (no-load switching).
- Mounting: on a TH35 rail for quick and convenient installation.
- Protection rating: IP20 — protection against contact with live parts.
Key benefits
- High rated voltage — suitable for modern 1500 V DC PV systems.
- LED indication in T versions for quick fuse status checks.
- Robust and safe design for intensive and long-term operation.
- Convenient installation and easy fuse replacement without removing the holder.