Mersen 4P800 - Mersen offers single power or neutral add-on poles for most of our switches. 600 Volts 600 Amps 4th pole.
Mersen

4P800

Alternate Item Number: 3605340559699

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Overview

The Mersen 4P800 is a single power or neutral add-on pole designed for Mersen switch configurations, providing a 4th pole for enhanced control in industrial power distribution systems. Rated at 600 Volts and 600 Amps, this add-on pole is engineered for seamless integration with existing Mersen switches, including M800 NF series, to expand system functionality without full panel replacement. The 4P800 is ideal for applications requiring neutral switching or independent power control, such as manufacturing, data centers, and heavy industry. Its snap-on mounting design allows for quick installation on the side of 3-pole switches, supporting left or right mounting configurations. The unit is constructed with durable materials to withstand harsh industrial environments, ensuring long-term operational integrity. With a weight of 4.40 kg, the 4P800 is built to meet rigorous industrial standards, including compliance with evolving electrical codes. This add-on pole is a cost-effective solution for system expansion, enabling precise power management and improved circuit isolation. The 4P800 is distributed by Gross Automation and is part of Mersen's scalable power solutions portfolio. Mersen offers single power or neutral add-on poles for most of their switches, and the 4P800 specifically provides a 4th pole for 600 Volt, 600 Amp applications.
  • 600V 600A rated for high-capacity industrial applications
  • Snap-on mounting for 3-pole Mersen switches (left/right)
  • Supports neutral switching or independent power control
  • Durable construction for harsh industrial environments
  • Cost-effective upgrade for system expansion

Specifications

Amperage Rating
600 A
Application
for use with Mersen switches
Brand Name
Ferraz Shawmut
Current Rating
600 A
Material
Durable materials
Poles
4th pole
Special Features
Mersen offers single power or neutral add-on poles for most of our switches.
Standard
UL98 recognized to E191605
Type
Accessories for Switches
Voltage Rating
600 VAC
Package Dimensions (L x W x H)
3.189 IN x 4.8425 IN x 10.2362 IN
Package Dimensions (L x W x H)
8.1001 cm x 12.3 cm x 25.9999 cm
Package Weight (Imperial)
3.938 L
Package Weight (Metric)
1.786 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.