Mersen J302113 - 6,9gGR000D08L020
Mersen

J302113

Alternate Item Number: 3605340350708

Contact for Pricing

Overview

The Mersen J302113, a component within the UltraSafe™ series, is a 600V Class J fuse holder designed for enhanced safety and ease of use. This model, specifically the US3J1, accommodates 30A Class J fuses and offers finger-safe IP20 protection according to IEC standards. Its polyamide body ensures durability in industrial settings. The US3J1 features a compact, single-pole design and can be easily snap-mounted onto a 35 mm DIN-rail. For added safety during maintenance, it includes provisions for locking in the open position. The holder is compatible with AJT, A4J, and HSJ Class J fuses, providing excellent current-limiting protection. It boasts a 200kA SCCR rating and is UL Listed (Guide IZLT, File E52283) and CSA Certified (Class 6225, File 32169). The US3J1 is suitable for applications such as 600-volt motors, transformers, lighting, heating, control circuits, and general loads, functioning as a non-load disconnect. Terminal screws are Phillips/slot head with a suggested torque of 35 in-lbs, and it utilizes a pressure plate connector type suitable for #2 to #14 AWG solid or stranded copper wire. Optional blown-fuse indicators are available for other configurations. Mersen's commitment to quality ensures this fuse holder meets stringent performance and safety standards, reducing downtime and improving operational efficiency in demanding industrial environments. This component is proudly distributed by Gross Automation.
  • Finger-safe IP20 protection for enhanced safety
  • Accommodates 30A Class J fuses (AJT, A4J, HSJ)
  • 600VAC/DC voltage rating with 200kA SCCR
  • Snap-mounts to 35 mm DIN-rail for easy installation
  • Durable polyamide body for industrial environments
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount

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Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

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Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

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Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8

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9F61 Size B Clips 1.6in

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9F61 Size B Clips 1.6in
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.

LCC5

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.

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.