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Mersen FBC60J30I - The Mersen FBC60J30I is an open-style Class J fuse block designed for 600V applications, accommodating fuses from 0-100A. This Generation 2 (Gen2) model offers enhanced features for efficient installation and configuration. It supports multiple connector types, including screw, pressure plate, and box connectors, ensuring compatibility with a wide range of stranded or solid wire. The FBC60J30I is DIN-rail mountable, providing a compact footprint compared to traditional fuse blocks. Its dovetail nesting capability allows for easy field assembly of multipole configurations. When paired with Mersen’s newly designed dead front covers, the fuse bases achieve an IP20 rating for added safety. Manufactured in the US.
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Mersen FBC60J30I The Mersen FBC60J30I is an open-style Class J fuse block designed for 600V applications…

Alternate Item Number: FBC60J30I

UPC: 782001505226

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Overview

The Mersen FBC60J30I is a Generation 2 (Gen2) open-style Class J fuse block designed for 600V applications, accommodating fuses from 0-100A. This model, specifically the FBC60J30I, is a 30A fuse base with an indicator. It features multiple connector types, including screw, pressure plate, and box connectors, ensuring compatibility with a wide range of stranded or solid copper-aluminum (CU-AL) or copper-only (CU) wire. The 30A fuse bases support wire ranges from 2-14 AWG for box connectors and 10-14 AWG for screw and pressure plate connectors. The FBC60J30I is DIN-rail mountable, offering a more compact footprint compared to traditional fuse blocks. Its dovetail nesting capability allows for easy field assembly of multipole configurations, enabling the interlocking of 2-pole and 3-pole bases. When paired with Mersen’s newly designed dead front covers (like the FBC60J30I), the fuse bases achieve an IP20 rating for enhanced safety, providing finger-safe protection. Key features include a built-in lockout/tagout feature and new clear covers with indicators for safety and visual inspections. Applications include branch circuits, control panels, load centers, and lighting, heating, and general loads. The Gen2 model improves installation and configuration efficiency, making it a reliable choice for panel builders, OEMs, and maintenance teams requiring durable, high-performance protection in electrical systems.
  • Generation 2 (Gen2) open-style Class J fuse block
  • 600V, 30A rating with indicator
  • DIN-rail mountable for compact installations
  • Supports screw, pressure plate, and box connectors for various wire types
  • IP20 finger-safe rating when used with Mersen dead front covers

Specifications

Application
Branch circuits Control panels Load centers Lighting, heating, & general loads
Brand Name
Mersen
Class
Class J
Connection Type
Screw, Pressure Plate, Box
Current Rating
30A
IP Rating
IP20
Material
Glass Filled Polycarbonate
Maximum Operating Temperature
80 C
Mounting Type
DIN-Rail
Number Of Poles
1
Poles
2
Series
Generation 2
Size
3.75 x 1 x 1.84 in
Size
95.25 x 25.4 x 46.736 mm
Special Features
DIN-rail mountable, 600V, 30-100A fuse bases 30A is available with box, screw, and pressure plate terminations 60A & 100A is available with box only Fresh new Mersen gray color for fuse base Dovetail design for interlocking configuration of 2-pole and 3-pole bases Unique molding around the termination to accommodate hinged cover and for increased safety Built-in lockout/tagout feature IP20 finger safe New clear covers with indicators for safety and visual inspections Multi-connector wiring options
Standard
All class J fuse blocks meet the requirements of UL4248 (formerly UL512) UL listed Guide IZLT, File E52283 CSA certified class 6225, File 32169
Type
UL/CSA Fuse Bases
Voltage Rating
600V
Package Dimensions (L x W x H)
3.75 in x 1 in x 1.84 in
Package Dimensions (L x W x H)
95.25 mm x 25.4 mm x 46.736 mm
Package Weight (Imperial)
0.020 lb
Package Weight (Metric)
0.009 kg
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Frequently Asked Questions

What is the voltage rating for the Mersen FBC60J30I fuse block?

The Mersen FBC60J30I fuse block is rated for 600VAC/DC and is Mersen Certified for 700VAC.

What types of connectors are available for the Mersen FBC60J30I fuse block?

The 30A Mersen FBC60J30I fuse block is available with box, screw, and pressure plate terminations.

What wire sizes can be used with the Mersen FBC60J30I fuse block?

For box connectors, the 30A Mersen FBC60J30I supports 2-14 AWG CU-AL wire. Screw and pressure plate connectors support 10-14 AWG CU wire.

Does the Mersen FBC60J30I fuse block offer safety features?

Yes, the Mersen FBC60J30I fuse block is IP20 finger safe when used with Mersen dead front covers, and features a built-in lockout/tagout feature.

How can multiple poles be configured with this fuse block?

The Mersen FBC60J30I features a dovetail design for interlocking configuration of 2-pole and 3-pole bases in the field.

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.