Mersen HR274 - Mersen’s wide range of handles for our Low Voltage Disconnect switches includes direct-mount, selector-style, and pistol-style in different lengths. Many of these handles have locking capabilities and are available in different colors and IP and NEMA ratings. We also have metal handles and special handles for flange-mounting. red NEMA 1-3R-12 rated 274 mm long pistol.
Mersen

HR274

Alternate Item Number: 3605340558814

Contact for Pricing

Overview

The Mersen HR274 is a red, pistol-style handle designed for flange-mount actuation of Mersen Low Voltage Disconnect Switches. With a substantial length of 274 mm, this handle offers ergonomic operation and clear visual indication. It features a NEMA 1-3R-12 rating, providing protection against dust, dirt, and light splashing water, making it suitable for indoor and semi-outdoor industrial environments. The vibrant red color enhances visibility and aids in quick identification of safety-critical components. This handle is engineered for durability and reliable performance in demanding applications such as industrial power distribution, motor control centers, renewable energy systems, commercial buildings, and water/wastewater treatment facilities. Its flange-mount design ensures a secure and stable connection, resisting vibration and mechanical stress. The HR274 is part of Mersen's comprehensive range of handles, reflecting the manufacturer's commitment to safety, quality, and operational excellence in electrical protection and power management solutions. SKU: HR274. UNSPSC Code: 39122233. Country of Origin: US. Compatible with Mersen's UL 98 and IEC Low Voltage Disconnect Switches requiring flange-mount actuation.
  • Mersen HR274 Red Pistol-Style Flange-Mount Handle
  • 274 mm Length for Ergonomic Operation
  • NEMA 1-3R-12 Rated for Dust and Water Protection
  • Durable Construction for Industrial Environments
  • High Visibility Red Color for Safety Identification

Specifications

Application
for use with Mersen switches
Brand Name
Ferraz Shawmut
Special Features
Mersen’s wide range of handles for our Low Voltage Disconnect switches includes direct-mount, selector-style, and pistol-style in different lengths. Many of these handles have locking capabilities and are available in different colors and IP and NEMA ratings. We also have metal handles and special handles for flange-mounting.
Standard
UL98 recognized to E191605
Type
Accessories for Switches
Voltage Rating
600 VAC
Package Dimensions (L x W x H)
2.5984 IN x 10.7874 IN x 3.1496 IN
Package Dimensions (L x W x H)
6.5999 cm x 27.4 cm x 8 cm
Package Weight (Imperial)
1.190 L
Package Weight (Metric)
0.540 kg
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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.