Why Choose the Mersen W1023427 BSL NH Fuse Rail?
The Mersen W1023427 is a robust BSL NH vertical fuse rail designed to provide reliable circuit protection and efficient power distribution in low-voltage electrical installations. Rated for 160 A at 690 V AC, this three-pole fuse rail is suitable for use with NH00 fuse-links in demanding industrial and commercial distribution systems.
As part of the proven Mersen BSL fuse rail series, the W1023427 is designed for direct installation onto a 100 mm busbar system. Its modular format supports fast assembly and straightforward maintenance, while the touch-protected IP20 design helps improve safety during installation and routine servicing.
The unit features three frame clamps suitable for 2.5–70 mm² copper conductors and includes a protective cover shroud. Its compact 49 mm width allows multiple fuse rails to be installed efficiently within feeder pillars, cable distribution cabinets and low-voltage distribution assemblies.
Key Advantages
- Heavy-duty NH00 vertical fuse rail for low-voltage distribution systems.
- 160 A current rating for industrial and commercial circuits.
- 690 V AC rated voltage suitable for demanding electrical installations.
- Designed for direct mounting onto 100 mm busbar systems.
- Touch-protected IP20 construction improves installation and maintenance safety.
- Frame clamp terminals accommodate 2.5–70 mm² copper conductors.
Key Features
- Mersen BSL NH fuse rail series.
- NH00 fuse-link compatibility.
- 160 A maximum fuse rating.
- 690 V AC IEC rated voltage.
- Three-pole configuration.
- 50 / 60 Hz operating frequency.
- Three frame clamps for copper cables from 2.5–70 mm².
- Clip-in fuse installation method.
- Protective cover shroud included.
- RoHS-compliant construction.
Reliable Protection for Low-Voltage Distribution
NH fuse rails provide a compact and dependable method of installing fuse-links within busbar-based distribution systems. The Mersen W1023427 securely connects NH00 fuse-links to the electrical supply, allowing overcurrent and short-circuit protection to be incorporated into distribution cabinets and feeder assemblies.
The modular BSL design enables panel builders and electrical engineers to combine individual components efficiently while maintaining accessible cable connections and a high level of protection during installation and maintenance. The fuse rail is designed for NH fuse-links manufactured in accordance with IEC/EN 60269-2 and VDE 0636-2.
Typical Applications
- Feeder pillars.
- Cable distribution cabinets.
- Low-voltage distribution units.
- Industrial switchboards.
- Electrical distribution panels.
- Commercial and industrial power infrastructure.