Mersen E305030 - The innovative and comprehensive Modulostar® range of Mersen fuse-holders. Modular fuse-holders are finger-safe under IEC standards to an IP20 grade of protection, including fuse changing (with the flick of a finger). Modular fuse-holders are available in 1, 2, 3 or 4 poles, with or without visual blown fuse indicator, in IEC version or IEC + UL version. Multi-pole units can also be field assembled by ordering pin-ties assembly kit. In size 14 or 22, the range also offers the possibility to use microswitches (supplied with the holders or ordered separately) to allow remote indication. Modulostar® range is made of tough and durable thermoplastic or thermoset material. 690 Volts 32 amps 3 pole + Neutral CMS 10x38 with ind series.
Mersen

E305030

Alternate Item Number: 3605340357189


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Overview

The Mersen Modulostar® E305030 is a 3-pole + Neutral modular fuse-holder designed for 10x38mm fuse-links, offering robust circuit protection up to 690 Volts and 32 Amps. Adhering to IEC standards, it provides finger-safe operation with an IP20 protection grade, including during fuse changes, meeting stringent safety requirements. This model features a visual blown fuse indicator for immediate fault detection, enabling quick identification of overcurrent conditions without disassembly. The Modulostar® range allows for field assembly of multi-pole units using pin-tie assembly kits, providing flexibility in configuration. It supports the addition of microswitches—supplied with the holders or ordered separately—for remote indication of fuse status, enhancing monitoring capabilities in control systems. Constructed from durable thermoplastic or thermoset materials, the E305030 ensures longevity and reliability in demanding industrial environments. It is suitable for DIN rail mounting and direct board mounting, offering versatile installation options. The product is made of plastic material with a UL94V2 rating and flame-retardant properties, featuring a glow wire flammability index of 960°C for enhanced fire safety. Applications include industrial automation, power distribution, machinery manufacturing, and renewable energy installations. The fuse-holder is available in IEC or IEC + UL versions, ensuring compliance with international standards for global deployment.
  • 3-pole + Neutral configuration for comprehensive circuit protection
  • Rated for 690 Volts and 32 Amps, compatible with 10x38mm fuse-links
  • Finger-safe operation (IP20) as per IEC standards, including fuse changes
  • Visual blown fuse indicator for quick fault identification
  • Durable thermoplastic or thermoset construction for industrial environments

Specifications

Amperage Rating
32 A
Application
All circuits up to 500V for protection of motors, transformers, low voltage distribution, control circuits Non-load operation
Brand Name
Ferraz Shawmut
Mounting
Installation On To DIN Rails To EN 60715
Special Features
Finger safe Degree of protection: IP20 Optional visual blown fuse indicator DIN rail mounting Modular design Lockable Multi-pole assembly kit available Sealable in closed and open position Plastic material UL94V2 mini Flame retardant materials with glow wire flammability index to 960°C
Standard
IEC 60269-2 and IEC 60947-3 Compliance RoHS Compliant Plastic material: NF 16101 & 16102 Requirement 2 Compliant Shock and vibration tested for marine and railway applications
Type
IEC LV Compact fuse-holders for cylindrical fuse links
Voltage Rating
690 VAC
Package Dimensions (L x W x H)
3.19 IN x 2.8 IN x 2.38 IN
Package Dimensions (L x W x H)
8.1026 cm x 7.112 cm x 6.0452 cm
Package Weight (Imperial)
0.580 L
Package Weight (Metric)
0.263 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.