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MERSEN FUSE BSL NH3630A 185mm BL3E403K000 BL3E403K000

MERSEN FUSE BSL NH3630A 185mm BL3E403K000 BL3E403K000

Robust NH-vertical fuse rail designed for industrial power distribution rated at 690VAC and 630A with a 3-pole bus bar system and M12 insert nut cable connection.

SKU: B1023432Alt SKU: BL3E403K000MPN: B1023432
Price
List Price £295.08 ex VAT
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£295.08
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Manufacturer Lead Time

£295.08

Why Choose the Mersen B1023432 BSL NH Fuse Rail?

The Mersen B1023432 is a heavy-duty BSL NH vertical fuse rail designed for reliable installation of NH Size 3 fuse links in industrial low-voltage power distribution systems. Manufactured under catalogue number BL3E403K000, this three-pole fuse rail is rated at 630 A with a maximum operating voltage of 690 V AC, making it ideal for high-current switchboard applications.

Designed for direct mounting onto a 185 mm busbar system, the B1023432 features three M12 insert nuts for secure cable termination. Its modular BSL construction enables rapid installation, straightforward maintenance and excellent operator protection with an IP20 touch-safe design.

The fuse rail is manufactured for use with NH Size 3 fuse links complying with IEC/EN 60269-2 and VDE 0636-2. As part of Mersen's modular BSL range, it allows flexible system configuration while providing dependable long-term performance in demanding industrial environments.

Key Advantages

  • Designed for NH Size 3 fuse links.
  • 630 A continuous current rating.
  • 690 V AC operating voltage.
  • Direct installation on 185 mm busbar systems.
  • Three M12 insert nut cable terminations.
  • IP20 touch-safe construction.
  • Modular design for simple installation and maintenance.

Key Features

  • Mersen BSL NH Fuse Rail series.
  • Three-pole vertical fuse rail.
  • Compatible with NH Size 3 fuse links.
  • 630 A rated current.
  • 690 V AC rated voltage.
  • 185 mm busbar mounting.
  • Three M12 insert nuts for cable connection.
  • Touch-protected to IP20.
  • Modular construction.
  • RoHS compliant.

Reliable NH Fuse Installation for Industrial Power Distribution

BSL NH fuse rails provide a secure mounting platform for NH fuse links while delivering dependable electrical performance and simplified maintenance. Their modular construction allows flexible switchboard design and efficient installation on standard industrial busbar systems.

The Mersen B1023432 is specifically designed for high-current applications requiring NH Size 3 protection on 185 mm busbar systems. Its robust M12 insert nut cable connections and touch-safe construction make it suitable for switchboards, feeder pillars and industrial power distribution assemblies.

Typical Applications

  • Industrial switchboards.
  • Low-voltage power distribution systems.
  • Transformer substations.
  • Feeder pillars.
  • Cable distribution cabinets.
  • OEM electrical equipment.
  • Industrial infrastructure installations.

Technical Specifications

Phase Three Phase
Item number B1023432
Catalogue No BL3E403K000
Description NH-vertical fuse rail BSL Size NH3 690VAC 630A 3-Pole Bus bar system 185 mm With cable connection Screw - M12 insert nut
EAN/UPC Code 4027597029784
Frequency (Hz) 50 ... 60 Hz
Rated voltage AC IEC 690 V
Ampere Rating 630 A
RoHS Compliant Yes
AC or DC AC
Fuse Size NH3
Fuse Type/Class DIN
Design Details 3 M12 insert nuts
Number of Poles 3-Pole
Fuse Installation Method Clip-in
Max Fuse Rating 630 A
Max Power dissipation of Fuse Links Pn 20 W
Max Power dissipation of Solid Links Pn 161 W
Power Dissipation by Ith without Fuse-Links 92 W
Installation Mounting Bus bar system 185 mm
Product Width 98 mm
Product Length 122.9 mm
Product Height 558 mm
Sell Pack Quantity 1 EA
Sell Pack Weight 4.2 kg
Sell Pack Width 100 mm
Sell Pack Length 130 mm
Sell Pack Height 755 mm
Product group Fuse Rails
Conventional Free Air thermal Current With Fuse-Links Ith 630 A
Product Weight 4.2 kg
Conventional Free Air thermal Current - Solid Links 800 A
Poles 3-pole
Fuse Size NH3
Voltage 690 V

Frequently Asked Questions

What is the Mersen B1023432 used for?

The B1023432 is a three-pole NH Size 3 vertical fuse rail designed for mounting fuse links in industrial low-voltage power distribution systems.

Which fuse size is compatible?

The fuse rail is designed for NH Size 3 fuse links.

What is the rated current?

The Mersen B1023432 has a 630 A continuous current rating.

Which busbar system does it fit?

It is designed for installation on a 185 mm busbar system.

What cable connection does it use?

The fuse rail uses three M12 insert nuts for secure cable termination.

Trusted for High-Current Industrial Protection

Mersen BSL NH fuse rails are trusted by electrical engineers and panel builders for dependable fuse installation, robust electrical performance and long service life in industrial power distribution systems.

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