Mersen X331036 - Fuse Holder Modulostar® Size 14x51 IEC 690VAC 690VDC 2-Pole With Visual Indicator 2x Microswitch IP20
Mersen

X331036

Alternate Item Number: CMS142MI

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Minimum Qty: 3

Multiplier: 3

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Overview

The Mersen Modulostar® X331036 is a high-quality, 2-pole modular fuse holder designed for 14x51mm IEC cylindrical fuse-links. This unit offers robust protection with a voltage rating of 690VAC and 690VDC, making it suitable for a wide range of industrial applications. Engineered for safety and convenience, the Modulostar® range features finger-safe operation to an IP20 grade of protection, ensuring user safety even during fuse replacement. The X331036 includes a visual blown fuse indicator, providing immediate notification of a tripped fuse, and is equipped with two microswitches for remote indication capabilities. This modular design allows for flexible configuration and field assembly with optional pin-tie kits for multi-pole units. Constructed from durable thermoplastic or thermoset material, the Modulostar® fuse holders are built for longevity and reliability in demanding environments. Key specifications include its 2-pole configuration, compatibility with 14x51mm fuse-links, and a 690V AC/DC rating. The integrated visual indicator and dual microswitches enhance operational visibility and system monitoring. This fuse holder is ideal for applications requiring reliable circuit protection and remote status reporting, such as in power distribution, motor control, and industrial automation systems. The Mersen Modulostar® series is recognized for its innovative design and comprehensive features, offering a secure and efficient solution for fuse protection needs.
  • 2-Pole configuration for 14x51mm IEC cylindrical fuse-links
  • Rated for 690VAC and 690VDC operation
  • IP20 finger-safe protection for enhanced user safety
  • Includes visual blown fuse indicator for quick status checks
  • Equipped with 2 microswitches for remote indication

Specifications

AC Voltage Rating
690 V
Amperage Rating
50 A
Application
All circuits up to 690V for protection of motors, transformers, low voltage distribution, control circuits, drive protection Non-load operation
Brand Name
Mersen
DC Voltage Rating
690 V
IP Rating
IP20
Material
thermoplastic or thermoset
Maximum Operating Temperature
60 C
Minimum Operating Temperature
-25 C
Mounting
DIN rail acc. EN 60715
Number Of Poles
2
Number of poles
2.0000
Operating Temperature, Maximum
140.00000 F
Operating Temperature, Minimum
-13.00000 F
Poles
2
Series
Modulostar
Size
3.01 x 2.09 x 4.36;76.5 x 53 x 110.8 in;mm
Size
14X51
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 Shock and vibration tested for marine and railway applications
Standard
IEC 60269-2 and IEC 60947-3 Compliance RoHS Compliant Plastic material: NF 16101 & 16102 Requirement 2 Compliant
Sub Brand
Modulostar®
Type
IEC Cylindrical Fuse Holders
Voltage Rating
690 VAC
Voltage Rating
690VAC 690VDC
Package Dimensions (L x W x H)
3.01 in x 2.09 in x 4.36 in
Package Dimensions (L x W x H)
76.5 mm x 53 mm x 110.8 mm
Package Weight (Imperial)
0.628 lb
Package Weight (Metric)
0.285 kg
Fuse Holder Modulostar® Size 14x51 IEC 690VAC 690VDC 3-Pole With Microswitch IP20

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Fuse Holder Modulostar® Size 14x51 IEC 690VAC 690VDC 3-Pole IP20

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Fuse Holder Modulostar® Size 14x51 IEC 690VAC 690VDC 3-Pole IP20
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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.