The Mersen P1023421 is a high-quality BSL NH vertical fuse rail designed for safe and reliable low-voltage power distribution. Rated at 160 A and 690 V AC, this three-pole fuse rail is engineered for direct mounting onto 185 mm busbar systems, making it an ideal solution for industrial switchboards and panel building applications.
Designed for NH Size 00 fuse-links, the P1023421 features three copper clamp strap cable terminations (4–70 mm²) complete with a protective MZ00KH cover shroud. The touch-protected IP20 construction enhances operator safety while allowing quick installation and simplified maintenance.
As part of Mersen's modular BSL NH Fuse Rail range, this fuse rail offers dependable circuit protection and flexible installation for industrial power distribution systems, OEM machinery and commercial electrical installations.
Key Advantages
Genuine Mersen BSL NH vertical fuse rail.
Rated at 160 A and 690 V AC.
Designed for 185 mm busbar systems.
Compatible with NH Size 00 fuse-links.
Touch-protected IP20 construction improves operator safety.
Supplied with three copper clamp strap terminals and MZ00KH cover shroud.
Key Features
Mersen BSL NH Fuse Rail series.
Model: P1023421.
Catalogue number: 01BSLS100.
160 A rated current.
690 V AC operating voltage.
Three-pole configuration.
185 mm busbar mounting.
Three copper clamp straps (4–70 mm²).
MZ00KH protective cover shroud included.
Suitable for NH Size 00 fuse-links.
Reliable NH Fuse Rail for Industrial Distribution
The Mersen P1023421 provides dependable protection and switching for low-voltage distribution systems using NH Size 00 fuse-links. Its modular design enables straightforward installation onto standard 185 mm busbar systems while offering excellent accessibility for maintenance and fuse replacement.
The integrated copper clamp strap terminals accommodate conductors from 4 mm² to 70 mm², making the fuse rail suitable for a wide range of industrial, commercial and OEM electrical applications where safe, compact power distribution is essential.
Typical Applications
Industrial switchboards.
Busbar power distribution systems.
Motor control centres.
OEM electrical equipment.
Commercial electrical distribution panels.
Industrial machinery and automation.
Technical Specifications
Current
00160 A
Phase
Three Phase
Item number
P1023421
Catalogue No
01BSLS100
Description
NH-vertical fuse rail BSL Size NH00 690VAC 160A 3-Pole Bus bar system 185 mm With cable connection Clamp Strap
EAN/UPC Code
4027597020996
Frequency (Hz)
50 ... 60 Hz
Rated voltage AC IEC
690 V
Ampere Rating
160 A
RoHS Compliant
Yes
AC or DC
AC
Fuse Size
NH00
Fuse Type/Class
DIN
Design Details
3 clamp straps Cu 4-70 mm² with cover shroud MZ00KH
Number of Poles
3-Pole
Fuse Installation Method
Clip-in
Max Fuse Rating
160 A
Max Power dissipation of Fuse Links Pn
12 W
Max Power dissipation of Solid Links Pn
1.2 W
Power Dissipation by Ith without Fuse-Links
21 W
Installation Mounting
Bus bar system 185 mm
Product Width
50 mm
Product Length
91.9 mm
Product Height
664 mm
Sell Pack Quantity
1 EA
Sell Pack Weight
2 kg
Sell Pack Width
51 mm
Sell Pack Length
100 mm
Sell Pack Height
673 mm
Product group
Fuse Rails
Conventional Free Air thermal Current With Fuse-Links Ith
160 A
Product Weight
2 kg
Conventional Free Air thermal Current - Solid Links
200 A
HS Code
85361090
Country of Manufacture
Hungary
Frequently Asked Questions
What is the Mersen P1023421 used for?
The P1023421 is a three-pole NH Size 00 fuse rail designed for mounting on 185 mm busbar systems to provide circuit protection and power distribution.
What current is this fuse rail rated for?
The unit has a continuous current rating of 160 A.
Which cable sizes can be connected?
The integrated copper clamp strap terminals accept conductors from 4 mm² to 70 mm².
Does the P1023421 include a protective cover?
Yes. The fuse rail is supplied with the MZ00KH cover shroud to provide touch protection.
Which busbar system is it designed for?
The P1023421 is designed for installation on a standard 185 mm busbar system.
Trusted for Industrial Power Distribution
Mersen BSL fuse rails are trusted by panel builders, switchgear manufacturers and electrical engineers worldwide for providing reliable NH fuse protection, safe installation and long-term performance in demanding industrial power distribution systems.
Current
00160 A
Phase
Three Phase
Item number
P1023421
Catalogue No
01BSLS100
Description
NH-vertical fuse rail BSL Size NH00 690VAC 160A 3-Pole Bus bar system 185 mm With cable connection Clamp Strap
EAN/UPC Code
4027597020996
Frequency (Hz)
50 ... 60 Hz
Rated voltage AC IEC
690 V
Ampere Rating
160 A
RoHS Compliant
Yes
AC or DC
AC
Fuse Size
NH00
Fuse Type/Class
DIN
Design Details
3 clamp straps Cu 4-70 mm² with cover shroud MZ00KH
Number of Poles
3-Pole
Fuse Installation Method
Clip-in
Max Fuse Rating
160 A
Max Power dissipation of Fuse Links Pn
12 W
Max Power dissipation of Solid Links Pn
1.2 W
Power Dissipation by Ith without Fuse-Links
21 W
Installation Mounting
Bus bar system 185 mm
Product Width
50 mm
Product Length
91.9 mm
Product Height
664 mm
Sell Pack Quantity
1 EA
Sell Pack Weight
2 kg
Sell Pack Width
51 mm
Sell Pack Length
100 mm
Sell Pack Height
673 mm
Product group
Fuse Rails
Conventional Free Air thermal Current With Fuse-Links Ith
160 A
Product Weight
2 kg
Conventional Free Air thermal Current - Solid Links
200 A
HS Code
85361090
Country of Manufacture
Hungary
No documents available for this product.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...