Mersen CPH350C5 - Fuse CP 600VAC 350 MCM HD Blade To Blade Amp-Trap®
Mersen

CPH350C5

Alternate Item Number: CPH350C5

UPC: 782001938864


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Overview

The Mersen CPH350C5 is a specialized Amp-Trap® fuse designed for cable protection. This current-limiting device is engineered to quickly clear and isolate electrical faults, significantly enhancing the reliability of service entrance and distribution systems. With a robust interrupting rating of 200,000A, it provides critical protection against high-magnitude fault currents. Despite its high interrupting capacity, the CPH350C5 is designed to accommodate standard cable overloads that are typically handled by other protective devices, preventing unnecessary tripping. This model is rated for 350 MCM cable sizes and is compatible with copper (Cu) or aluminum (Al) conductors. The CPH350C5 operates at a maximum voltage of 600VAC. For field installation, Mersen offers optional heat shrinkable (HS) tubing. For cables smaller than 4/0 AWG, Class J fuses may be an alternative option. The CPH350C5 is a key component for ensuring operational continuity and safety in electrical distribution networks.
  • Special purpose current-limiting fuse for cable protection
  • Quickly clears and isolates electrical faults
  • 200,000A interrupting rating for high fault current protection
  • Rated for 350 MCM cable size (Copper or Aluminum)
  • 600VAC operating voltage

Specifications

AC Voltage Rating
600 V
Application
Service entrance and distribution runs
Body Material
GMG
Brand Name
Mersen
Connection
Blade To Blade
Connection Material
Tin-Plated Copper And Tin-Plated Brass
Connection Type
Blade to Blade
Current Rating
350 MCM
Interrupt Rating
200 kA
Material
Al or Cu
Mounting
Bolted
Size
10.37 x 1.62 in
Size
263.398 x 41.148 mm
Size
350 MCM
Special Features
Fiberglass bodies for dimensional stability in harsh environments Catalog number stamped into terminal for permanent identification Crimp terminals for aluminum cable include oxide inhibitor Molded rubber boots or heat shrinkable tubing available for insulation and protection Current limiting device Permitted by National Electrical Code®
Standard
UL listed to File E305297
Sub Brand
Amp-Trap®
Type
Cable Protector
Voltage Rating
600 V
Package Dimensions (L x W x H)
10.37 in x 1.62 in x 1.62 in
Package Dimensions (L x W x H)
263.398 mm x 41.148 mm x 41.148 mm
Package Weight (Imperial)
1.800 lb
Package Weight (Metric)
0.816 kg
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POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

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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.