Why Choose the Mersen C1023433 BSL NH Fuse Rail?
The Mersen C1023433 is a heavy-duty BSL NH vertical fuse rail engineered for safe switching, isolation and overcurrent protection in industrial low-voltage power distribution systems. Identified by catalogue number BL3V403K000, it is designed for NH size 3 fuse-links, providing dependable protection for high-current electrical installations up to 630 A.
Designed for direct installation onto a 185 mm busbar system, the C1023433 features a robust three-pole vertical configuration with V-terminal cable connections suitable for conductors from 35 mm² to 240 mm². Its IP20 touch-protected construction helps improve operator safety while simplifying installation and maintenance.
As part of the proven Mersen BSL NH Fuse Rail range, this unit offers excellent mechanical strength, modular installation and high short-circuit performance, making it ideal for industrial switchboards, motor control centres and commercial power distribution systems.
Key Advantages
- Combines switching, isolation and fuse protection in one device.
- 630 A rated current for demanding industrial applications.
- Suitable for operation up to 690 V AC.
- Designed for NH size 3 fuse-links.
- Direct installation onto a 185 mm busbar system.
- V-terminal cable connections for 35 to 240 mm² conductors.
- IP20 touch-protected construction improves operator safety.
- Modular design simplifies panel assembly and maintenance.
Key Features
- Mersen BSL NH Fuse Rail series.
- NH size 3 vertical fuse rail.
- 630 A rated operational current.
- 690 V AC rated operational voltage.
- Three-pole configuration.
- 185 mm busbar mounting.
- V-terminal cable connection (35 to 240 mm²).
- 50 / 60 Hz operation.
- 1000 V insulation voltage.
- 9.8 kV impulse withstand voltage.
- IP20 touch protection.
- RoHS compliant construction.
Reliable Protection for Industrial Power Distribution
BSL NH fuse rails provide reliable switching, isolation and overcurrent protection while enabling fast installation directly onto standard industrial busbar systems. Their modular construction allows panel builders to create flexible, space-efficient distribution assemblies for demanding industrial environments.
The C1023433 incorporates IP20 touch protection and robust V-terminal cable connections, helping improve electrical safety while supporting high-current applications in modern power distribution equipment.
Typical Applications
- Industrial switchboards.
- Low-voltage power distribution systems.
- Main incoming electrical panels.
- Motor control centres.
- Busbar distribution systems.
- Manufacturing facilities.
- Commercial electrical infrastructure.
- OEM electrical equipment.
