Mersen P220077 - Mersen PS modular fuseholders offer the highest levels of safety and features for 27x60mm fuses. The PS range is available in 1, 2, 3 or 4-pole units, with or without blown-fuse indicating microswitches in each pole (striker fuse required) 690 Volts 10 Amps 3 pole with microswitch.
Mersen

P220077

Alternate Item Number: 3605340241808

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Overview

The Mersen PS220077 (SKU: P220077) is a 3-pole modular fuseholder designed for 27x60mm fuses, delivering reliable protection at 690V and 10A. Engineered by Mersen, a global leader in electrical protection, this fuseholder combines robust construction with advanced safety features for industrial and commercial applications. The PS220077 is part of the PS modular series, offering flexibility with 1, 2, 3, or 4-pole configurations and optional blown-fuse indicating microswitches. This model includes a microswitch that triggers an alert when paired with a striker fuse, enabling immediate visual and electrical notification of fuse operation. This proactive indication minimizes downtime and simplifies troubleshooting in critical systems. The fuseholder is designed for DIN rail mounting or direct board mounting, with a modular design that allows field assembly of multi-pole units using pin-ties assembly kits. Constructed from UL94V2 flame-retardant thermoplastic with a glow wire flammability index of 960°C, the PS220077 meets stringent safety standards. Its finger-safe design to IP20 protection ensures safe fuse replacement without exposure to live components. Compatible with 27x60mm ferrule fuses, this fuseholder is ideal for motor control centers, power distribution panels, renewable energy systems, and machinery protection across manufacturing, automation, and utilities. Choose Mersen for decades of expertise in electrical safety and innovation.
  • 3-pole modular fuseholder for 27x60mm fuses at 690V/10A
  • Built-in blown-fuse indicating microswitch for immediate alerts
  • DIN rail or direct board mounting with modular design
  • Finger-safe IP20 protection for safe fuse replacement
  • UL94V2 flame-retardant material with 960°C glow wire rating

Specifications

Amperage Rating
125 A
Brand Name
Ferraz Shawmut
Connection
Screw Mount
Special Features
Solid assembly offers good thermal and mechanical withstand rating Fuse mounting in holders or no-load disconnectors with or without open fuse indicating Microswitches Phenolic resin models for basic applications, fiber-glass polyester for applications in corrosive atmospheres or applications for traction
Standard
UL Recognized Component to standard 4248-1, File E113369
Type
Semiconductor Fuseholders And Blocks
Voltage Rating
690 VAC
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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.