Mersen V219806 - NH plastic base Size NH1 1000VAC 1000VDC 250A 1-Pole Screw Connection Screw Indirect touch protection IP20
Mersen

V219806

Alternate Item Number: BB11FS

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Overview

The Mersen V219806 is a single-pole NH plastic fuse-base designed for robust low-voltage fuse system applications. Engineered by Mersen, a leader in electrical protection, this unit is built to accommodate NH1 fuse-links with a rated current of 250A and a high operating voltage of 1000VAC and 1000VDC. The fuse-base features a secure screw connection for reliable electrical contact and is constructed with a durable plastic base, offering indirect touch protection with an IP20 rating, ensuring user safety. Its compact design allows for close mounting in parallel rows, ideal for space-constrained installations. The internal contact springs are made from stable, silver-plated electrolytic copper, formed from a single piece to guarantee consistent performance. These springs are further reinforced by highly resilient captive steel springs, making the contacts exceptionally resistant to thermal stress and maintaining integrity even under high temperatures. This specific model, V219806, is part of Mersen's extensive NH fuse-base range, known for its quality and reliability in industrial and commercial power distribution systems. It is designed for direct mounting via screw terminals. The power acceptance for this Size 1 base is rated at 32W. Mersen's commitment to quality is evident in the materials and construction, providing a dependable solution for fuse protection. The product originates from the US, ensuring adherence to stringent manufacturing standards. This fuse-base is a critical component for safeguarding electrical circuits against overcurrents and short circuits, contributing to the overall safety and operational continuity of electrical installations.
  • Mersen NH Plastic Base, Size NH1
  • Rated for 1000VAC / 1000VDC
  • 250A Rated Current
  • Single-Pole with Screw Connection
  • IP20 Indirect Touch Protection

Specifications

AC Voltage Rating
1000 V
Amperage Rating
250 A
Application
For fuse-links with rated voltages up to 1000VAC and 1000VDC
Brand Name
Mersen
Connection
Screw
Connection Type
Screw Connection
Current Rating
250 A
DC Voltage Rating
1000 V
IP Rating
IP20
Material
Plastic (with silver-plated copper contact springs and steel springs)
Mounting
Screw
Mounting Type
Closely mounted in parallel rows
Number Of Poles
1
Poles
1-pole
Series
NH Plastic Base
Size
4.82 x 2.36 x 9.84 in
Size
122.5 x 60 x 250 mm
Size
NH1
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
1000 VAC / 1000 VDC
Package Dimensions (L x W x H)
4.82 in x 2.36 in x 9.84 in
Package Dimensions (L x W x H)
122.5 mm x 60 mm x 250 mm
Package Weight (Imperial)
1.543 lb
Package Weight (Metric)
0.700 kg
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ACS 3AG OMNI-BLOK SLDR TERM 1 POLE MTG. A low profile fuse block featuring individual barriers which reinforce the fuse clips while providing greater protection against clip damage and electrical shock. The unique design permits self-alignment of clips to fuse cap. This, plus a one-piece clip/terminal assures low contact resistance. Higher current ratings have been attained using spring brass clips. With the exception of the two-pole unit, multiple pole units may be broken apart to obtain desired number of poles.
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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.