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Mersen 40656G - Fuse Block 480VAC 480VDC Class G 60A 1-Pole Copper Box
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Mersen 40656G Fuse Block 480VAC 480VDC Class G 60A 1-Pole Copper Box

Alternate Item Number: 40656G

UPC: 782001230913


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Line DrawingSpecification 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 40656G is a single-pole Class G fuse block engineered for dependable circuit protection. This 60A block is rated for both 480VAC and 480VDC applications. It features a robust copper box connector, designed to accept a broad spectrum of stranded or solid copper wire. The wire size accommodation ranges from #4 AWG to #14 AWG. The insulator material is glass-filled polycarbonate (GFPC), which has demonstrated dielectric strength exceeding 2500V. This GFPC insulator also possesses a temperature rating of 125°C RTI and meets the 94V-0 flammability standard. The fuse clips are constructed from a high-conductivity tin-plated copper alloy, ensuring superior electrical contact. This fuse block holds UL Listing under guide IZLT, File E52283, and is CSA Certified under class 6225, File 32169. It adheres to the stringent requirements of UL 4248. The 40656G is compatible with all 15, 20, 30, and 60 ampere Class G fuses. Its innovative adder block design facilitates straightforward expansion into multi-pole configurations. This fuse block is an optimal choice for industrial environments demanding reliable overcurrent protection. The SKU for this product is 40656G. It is manufactured in the US.
  • 60 Ampere, 480VAC/VDC rating
  • Single-pole configuration
  • Copper box connector for #4-14 AWG copper wire
  • Glass-filled polycarbonate (GFPC) insulator with 2500V+ dielectric strength
  • High-conductivity tin-plated copper alloy fuse clips

Specifications

AC Voltage Rating
480 V
Amperage Rating
60 A
Brand Name
Mersen
Class
Class G
Connection
Copper Box
DC Voltage Rating
480 V
Material
Glass Filled Polycarbonate
Maximum Operating Temperature
80 °C
Maximum Operating Temperature
80 C
Mounting
Direct Screw Mount
Number of Poles
1
Phase
1
Size
3.78 x 0.86 x 1.4 in
Size
96.012 x 21.844 x 35.56 mm
Special Features
Unique integral DIN-rail adapters for 15, 20 & 30A blocks Unique adder-block design (all ampere ratings) for design flexibility Spring reinforcing standard for 60A clips Features high conductivity copper alloy fuse clips
Standard
All fuse blocks meet the requirements of UL 4248 UL Listed guide IZLT, File E52283 CSA Certified class 6225, File 32169
Type
UL/CSA Fuse Bases
Voltage Rating
480 VAC
Package Dimensions (L x W x H)
3.78 in x 0.86 in x 1.4 in
Package Dimensions (L x W x H)
96.012 mm x 21.844 mm x 35.56 mm
Package Weight (Imperial)
0.150 lb
Package Weight (Metric)
0.068 kg
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Frequently Asked Questions

Are these fuse blocks UL Listed and CSA Certified?

Yes, all fuse blocks meet UL 4248 requirements, are UL Listed (File E52283), and CSA Certified (File 32169).

What ampere ratings do these Class G fuse blocks accommodate?

These fuse blocks accommodate all 15, 20, 30, and 60 ampere Class G fuses.

What are the voltage ratings for these Class G fuse blocks?

The voltage ratings are 600VAC for 15 and 20A fuses, and 480VAC for 30 and 60A fuses.

What types of connectors are available for these fuse blocks?

Available connectors include box, screw, and pressure-plate types, suitable for stranded or solid copper wire.

What material are the insulators made of and what is their dielectric strength?

Insulators are glass-filled polycarbonate (GFPC) with a dielectric strength exceeding 2500V.

Can I create multi-pole fuse blocks with these components?

Yes, a unique adder block can be snapped onto 1-, 2-, or 3-pole blocks to create multi-pole segmented blocks.

What are the fuse clips made of?

All fuse clips are made of high conductivity tin-plated copper alloy.

What is the SCCR rating for these fuse blocks?

The SCCR rating is 100kA, or 10kA when using quick connects.

What are the flammability and temperature ratings of the GFPC insulators?

GFPC insulators are rated 1250°C RTI and have a 94V-0 flammability rating.

Do these fuse blocks have DIN-rail adapters?

Yes, 15, 20, and 30A blocks feature unique integral DIN-rail adapters.

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.