Reliable Fuse Protection for DC Distribution Systems

The RT18-32X 1000 V DC DIN Rail Fuse Holder is designed for use with 10×38 mm cylindrical fuse links in high-voltage DC systems.

It is suitable for photovoltaic power systems, battery energy storage systems, DC combiner boxes, DC distribution panels and other applications where reliable overcurrent and short-circuit protection is required.

The product features a compact modular structure for standard DIN rail mounting, making it easy to install inside electrical enclosures and control cabinets.

Its front-access design allows convenient fuse insertion, removal and replacement during maintenance. Selected versions may also include fuse status indication for easier inspection.

With its 1000 V DC rating and compatibility with 10×38 mm fuse links, the RT18-32X is a practical protection component for modern solar and DC electrical systems.


Key Features

  • Rated voltage up to 1000 V DC
  • Compatible with 10×38 mm cylindrical fuse links
  • DIN rail mounting
  • Suitable for photovoltaic and battery systems
  • Overcurrent and short-circuit protection
  • Compact modular design
  • Easy fuse replacement
  • Front-access fuse holder structure
  • Suitable for DC distribution and combiner boxes
  • Optional blown-fuse indication

Typical Applications

  • Solar PV combiner boxes
  • Battery energy storage systems
  • DC distribution panels
  • Battery cabinets
  • DC control panels
  • Renewable energy systems
  • Industrial DC electrical equipment
  • Other 1000 V DC installations