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Mersen J226719 - NH plastic base Size NH0 1000VAC 1000VDC 160A 3-Pole DIN Rail Connection Screw Indirect touch protection IP20
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Mersen J226719 NH plastic base Size NH0 1000VAC 1000VDC 160A 3-Pole DIN Rail Connection Screw Indirect…

Alternate Item Number: BB03EPRFS


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Specification Sheet

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Mersen J226719 NH0 3-pole fuse base is a DIN rail-mounted industrial component designed for IEC NH fuse systems, providing reliable circuit protection in low-voltage applications up to 1000V AC/DC. This fuse base supports a continuous current rating of 160A, making it suitable for power distribution, motor control centers, and renewable energy systems. The plastic base ensures lightweight durability while maintaining IP20 indirect touch protection for enhanced safety in industrial environments. Key technical features include stable silver-plated electrolytic copper contact springs with captive steel springing for thermal stress resistance, rated impulse withstand voltage of 8kV (size 0-4), and compatibility with NH fuse-links featuring 8mm contact blades. The three-pole design allows for parallel mounting in compact configurations, with each unit supplied with phase partition walls for electrical isolation. Screw-type connections provide secure termination for conductors up to 25-300mm² (with appropriate lugs), while the DIN rail mounting system enables rapid installation and maintenance access. This fuse base is particularly suited for applications requiring high interrupting capacity and precise fault protection, including photovoltaic installations, industrial machinery, and utility power distribution. For systems requiring fault signaling, microswitch options are available (250V AC/10A) when used with striker-equipped fuse-links. The compact NH0 size optimizes panel space while maintaining robust performance in harsh electrical environments.
  • 160A continuous current rating for low-voltage industrial applications
  • 1000V AC/DC rated voltage for versatile power distribution use
  • 3-pole design with phase partition walls for electrical isolation
  • Silver-plated electrolytic copper contact springs for thermal stress resistance
  • DIN rail mounting for rapid installation and maintenance access
  • Phase partition walls included for electrical isolation in parallel mounting
  • Meets IEC 60269-1/-2 and NF EN 60269-1 standards

Specifications

AC Voltage Rating
1000 V
Amperage Rating
160 A
Application
For fuse-links with rated voltages up to 1000VAC and 1000VDC
Brand Name
Mersen
Connection
Screw
Connection Type
Screw
Current Rating
160A
DC Voltage Rating
1000 V
IP Rating
IP20
Material
Plastic, Silver-plated Copper
Mounting
DIN Rail
Mounting Type
DIN Rail
Number of Poles
3
Poles
3-pole
Series
NH
Size
3.74 x 5.59 x 7.28 in
Size
95 x 142 x 185 mm
Size
NH0
Special Features
Polyamide insulating bases Silver-plated contacts High-pressure spring contacts Screw or rail mounting Connecting cable: 50mm Multipolar bases possible by direct linkage in 00 size and with separator accessory in sizes 0, 1, 2 and 3 Variety of options for protecting active parts through use of accessories: separating plates, separator, cover shields and fuse cover Dual cable-connection system on 00 size: by screw or clamp
Standard
IEC 60269 Compliance Dimensions in accordance with DIN 43620 DIN VDE 0636-2, 0636-21
Type
IEC NH Fuse Bases
Voltage Rating
1000VAC/1000VDC
Package Dimensions (L x W x H)
3.74 in x 5.59 in x 7.28 in
Package Dimensions (L x W x H)
95 mm x 142 mm x 185 mm
Package Weight (Imperial)
2.006 lb
Package Weight (Metric)
0.910 kg
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Frequently Asked Questions

What are the voltage ratings for NH fuse-links?

NH fuse-links are rated for up to 1000 VAC and 1000 VDC.

What sizes are the NH plastic bases available in?

NH plastic bases are available in sizes 00, 0, 1, 2, 3, and 4.

What is the rated impulse withstand voltage for NH fuse-bases?

The rated impulse withstand voltage is 6kV for size 00 and 8kV for sizes 0-4.

What is the ampere range for these NH fuse bases?

The ampere range for these NH fuse bases is from 160 A to 630 A.

What are the contact springs made of and how are they designed?

The contact springs are silver-plated, made of electrolytic copper, and formed from one piece with captive steel springs for resilience.

Can a microswitch be used with all NH fuse-links?

A microswitch can be used with NH fuse-links with a striker, but not with indirect touch protection fuse bases.

What are the available connection types for size 00 bases?

Size 00 bases offer a dual cable-connection system, usable by screw or clamp.

Frequently Asked Questions about Mersen

What industries and applications are Mersen products used for?

Mersen products are used across diverse industrial sectors including solar power, electric vehicles, buildings/construction, industrial automation, power distribution, HVAC, elevators, telecommunications, and specialty manufacturing. Key application areas include circuit protection, surge protection, battery module protection, electrical safety systems, and power management for residential, commercial, and utility-scale installations.

What are the main product lines offered by Mersen?

Mersen offers five primary electrical power product lines: IEC and UL/CSA Fuses and Fusegear, Surge Protection, Low Voltage Disconnect Switches, Power Distribution Blocks, and Engineered Solutions. Their comprehensive range includes specialized components like high-speed fuses, modular fuse holders, surge arresters, and custom-engineered electrical protection systems for industrial and power management applications.

What are the key features of Mersen products?

Mersen products feature advanced electrical protection and power management solutions with key characteristics including finger-safe design, compact modularity, and high-performance safety features. Their product lines span electrical power components like fuses, surge protection, power distribution blocks, and specialized solutions for industrial, solar, and building applications. Critical features include UL/CSA approvals, high short-circuit current ratings, and innovative technologies like the Fuse Control™ program that minimize electrical risks and optimize system performance.

What environmental ratings do Mersen products have?

Mersen products meet rigorous environmental ratings across multiple standards, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13, CSA Type 1, 2, 3, 4, 4X, 12, and 13, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13. They feature IEC 60529 IP66 protection, with enhanced UV inhibitors for outdoor weathering and operating temperatures ranging from -40°C to 130°C (-40°F to 266°F). These ratings ensure superior protection in wet, corrosive, and challenging industrial environments.

What accessories are available for Mersen products?

Mersen offers multiple accessories for their fuse blocks and systems, including safety pullers (DFC3M and DFC3LP), DIN-rail adapters (DRM), bus bars, auxiliary contacts, and specialized mounting hardware. Key accessories include the DFC3M safety puller for 1-1/2" x 13/32" midget or Class CC fuses, the DRM adapter for mounting 303 series fuse blocks on DIN-rail, and UltraSafe fuse module accessories like bus bars and auxiliary contacts that enable module interconnection and monitoring.

How are Mersen products typically installed?

Mersen products are typically installed in electrical distribution systems, control panels, and industrial automation environments using multiple mounting options. These include service entrance panel mounting, distribution panel installation, control panel DIN rail mounting, and custom engineered solutions like Fused Coordination Panelboards. Installation depends on the specific product type, such as fuses, surge protective devices, or switches, and is designed to provide electrical protection and circuit safety in various industrial and commercial applications.

What certifications and standards do Mersen products comply with?

Mersen products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Our products meet rigorous safety and performance standards for industrial applications across North America, China, Russia, and other global markets, ensuring compliance and reliability in electrical power and advanced materials solutions.

What technical support does Mersen offer?

Mersen provides comprehensive technical support through multiple channels, including technical experts located in your time zone who can assist with product selection, application guidance, and troubleshooting. Their Fuse Control™ program offers a free Fuse Inventory Audit & Analysis, and customers can access technical resources through their sales representatives and online platform ep.mersen.com.