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Mersen FBC60J60I - The Mersen FBC60J60I is a Generation 2 open style Class J fuse block designed for 600V applications with fuse ratings from 0-100A. This compact unit offers versatile wiring options with screw, pressure plate, and box connectors, accommodating both stranded and solid wire. For efficient panel building, the FBC60J60I features DIN-rail mountability and dovetail nesting for easy multipole field assembly. When paired with Mersen's dead front covers, the fuse bases achieve an IP20 rating, ensuring enhanced safety. Manufactured in the USA, this fuse block provides reliable circuit protection for industrial equipment.
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Mersen FBC60J60I The Mersen FBC60J60I is a Generation 2 open style Class J fuse block designed for 600V…

Alternate Item Number: FBC60J60I

UPC: 782001505240


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Overview

The Mersen FBC60J60I is a Generation 2 open style Class J fuse block engineered for 600V industrial applications with fuse ratings from 0 to 100A. This compact fuse block delivers versatile wiring options with screw, pressure plate, and box connectors, supporting both stranded and solid wire configurations for flexible installation in control panels, branch circuits, and load centers. Designed for efficient panel building, the FBC60J60I features DIN-rail mountability and a dovetail nesting system for easy field assembly of multipole configurations. When paired with Mersen's dead front covers, the fuse bases achieve an IP20 rating, providing enhanced safety by preventing accidental contact. The unit is available in 30A, 60A, and 100A ratings, with 30A offering box, screw, and pressure plate terminations, while 60A and 100A are available with box connectors only. The fuse block includes a built-in lockout/tagout feature and unique molding around the termination to accommodate hinged covers. The Mersen gray color finish and clear covers with indicators further enhance safety and visual inspections. Short-circuit current rating is 200kA, and recommended fuse usage includes AJT, A4J, and HSJ Class J fuses. The FBC60J60I (SKU: FBC60J60I) is ideal for lighting, heating, and general load applications in industrial power distribution systems.
  • 600V Class J fuse block for 0-100A applications
  • DIN-rail mountable with dovetail nesting for multipole assembly
  • Supports screw, pressure plate, and box connectors for stranded/solid wire
  • IP20 rated when paired with Mersen dead front covers
  • Built-in lockout/tagout feature and clear indicator 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 Connectors
Current Rating
0-100 A
Current Rating
0-100A
IP Rating
IP20
Material
Glass Filled Polycarbonate
Maximum Operating Temperature
80 °C
Maximum Operating Temperature
80 C
Mounting Type
DIN-rail, Dovetail Nesting
Mounting Type
DIN-Rail
Number Of Poles
1
Series
Generation 2
Series
Generation 2 Class J Fuse Block
Size
3.84 x 1.33 x 2.13 in
Size
97.536 x 33.782 x 54.102 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
600 V
Voltage Rating
600V
Package Dimensions (L x W x H)
3.84 in x 1.33 in x 2.13 in
Package Dimensions (L x W x H)
97.536 mm x 33.782 mm x 54.102 mm
Package Weight (Imperial)
0.030 lb
Package Weight (Metric)
0.014 kg
Fuse Block Class J 1-Pole

FBC60J30

Fuse Block Class J 1-Pole
POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover. Applications: Typical applications include heating, air conditioning and refrigeration systems, elevator systems, material handling equipment, control panels, motor controls, switchgear, and anywhere power needs to be distributed to more than one load.

LS2572-3DIN

POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover. Applications: Typical applications include heating, air conditioning and refrigeration systems, elevator systems, material handling equipment, control panels, motor controls, switchgear, and anywhere power needs to be distributed to more than one load.
D4/8.SFT2.I.ADO

1SNA399777R1200

D4/8.SFT2.I.ADO
The Mersen FBC60J100 is a Generation 2 open-style Class J fuse block designed to accommodate Class J fuses from 0-100A at 600V. This model offers versatile connection options, including screw, pressure plate, and box connectors, compatible with a wide range of stranded or solid wire. Engineered for modern industrial applications, these Gen2 fuse blocks feature a more compact design compared to traditional offerings and are DIN-rail mountable for efficient panel assembly. The dovetail nesting capability allows for easy multipole field assembly, simplifying configuration. When paired with Mersen’s newly designed dead front covers, the fuse bases achieve an IP20 rating, enhancing safety. Manufactured in the USA, the FBC60J100 (SKU: FBC60J100) provides reliable fuse protection and connection for electrical systems.

FBC60J100

The Mersen FBC60J100 is a Generation 2 open-style Class J fuse block designed to accommodate Class J fuses from 0-100A at 600V. This model offers versatile connection options, including screw, pressure plate, and box connectors, compatible with a wide range of stranded or solid wire. Engineered for modern industrial applications, these Gen2 fuse blocks feature a more compact design compared to traditional offerings and are DIN-rail mountable for efficient panel assembly. The dovetail nesting capability allows for easy multipole field assembly, simplifying configuration. When paired with Mersen’s newly designed dead front covers, the fuse bases achieve an IP20 rating, enhancing safety. Manufactured in the USA, the FBC60J100 (SKU: FBC60J100) provides reliable fuse protection and connection for electrical systems.
Mersen’s FBC60J100I is a Generation 2 open-style Class J fuse block designed for 0-100A, 600V applications. This DIN-rail mountable fuse block accommodates both stranded and solid wire via screw, pressure plate, or box connectors. Its compact footprint and dovetail nesting enable efficient multipole field assembly. IP20-rated when paired with Mersen’s dead front covers, the FBC60J100I meets modern panel space constraints while maintaining compliance with Class J fuse standards. Ideal for industrial control panels, motor protection, and distribution systems where space and reliability are critical.

FBC60J100I

Mersen’s FBC60J100I is a Generation 2 open-style Class J fuse block designed for 0-100A, 600V applications. This DIN-rail mountable fuse block accommodates both stranded and solid wire via screw, pressure plate, or box connectors. Its compact footprint and dovetail nesting enable efficient multipole field assembly. IP20-rated when paired with Mersen’s dead front covers, the FBC60J100I meets modern panel space constraints while maintaining compliance with Class J fuse standards. Ideal for industrial control panels, motor protection, and distribution systems where space and reliability are critical.
The Mersen 9F61CHR210 fuse support is a medium voltage component designed for reliable operation in 2.4kV to 38kV systems. This non-disconnecting fuse support is ideal for potential transformer circuits or applications requiring an isolating device in series with the fuse. The 9F61CHR210 supports both vertical and horizontal mounting configurations, providing installation flexibility for indoor (Type EK) and outdoor (Type EKO) environments. Key specifications include a voltage rating of 2.4kV to 38kV and compatibility with Mersen’s high-speed fuse series, including Amp-Trap® CS-3 and 9F60/9F62 series. The fuse support features live parts at both ends for secure connections and is engineered for transformer protection and distribution line applications. The 9F61CHR210 is part of Mersen’s 9F61 series, known for robust construction and compliance with industry standards. This fuse support is manufactured in the USA and distributed by Gross Automation. It is designed to integrate seamlessly with Mersen’s fuse disconnect switches and accessories, ensuring a complete protection solution for medium voltage systems.

9F61CHR210

The Mersen 9F61CHR210 fuse support is a medium voltage component designed for reliable operation in 2.4kV to 38kV systems. This non-disconnecting fuse support is ideal for potential transformer circuits or applications requiring an isolating device in series with the fuse. The 9F61CHR210 supports both vertical and horizontal mounting configurations, providing installation flexibility for indoor (Type EK) and outdoor (Type EKO) environments. Key specifications include a voltage rating of 2.4kV to 38kV and compatibility with Mersen’s high-speed fuse series, including Amp-Trap® CS-3 and 9F60/9F62 series. The fuse support features live parts at both ends for secure connections and is engineered for transformer protection and distribution line applications. The 9F61CHR210 is part of Mersen’s 9F61 series, known for robust construction and compliance with industry standards. This fuse support is manufactured in the USA and distributed by Gross Automation. It is designed to integrate seamlessly with Mersen’s fuse disconnect switches and accessories, ensuring a complete protection solution for medium voltage systems.
Fuse Block 600VAC 600VDC Class J 30A 2-Pole Box

FB60J30B2

Fuse Block 600VAC 600VDC Class J 30A 2-Pole Box
Fuse Block 600VAC 600VDC Class J 30A 1-Pole Box

FB60J30B1

Fuse Block 600VAC 600VDC Class J 30A 1-Pole Box

Frequently Asked Questions

Can these fuse blocks be mounted on a DIN-rail?

Yes, these Gen2 fuse blocks are DIN-rail mountable.

What is the voltage and amperage rating for these Class J fuse blocks?

These Class J fuse blocks are rated for 600VAC/DC and come in 30A, 60A, and 100A ratings.

What types of wire connectors are available for the 30A fuse bases?

The 30A fuse bases are available with screw, pressure plate, and box connectors.

Are these fuse blocks finger-safe?

Yes, the fuse bases are IP20 rated and finger-safe when paired with Mersen’s dead front covers.

What wire range is supported by the 60A and 100A box connectors?

The 60A box connectors support 2-14 AWG CU-AL wire, and the 100A box connectors support 2/0-6 AWG CU-AL wire.

Do the dead front covers have indicators?

Yes, the FBC60J30I, FBC60J60I, and FBC60J100I are dead front covers with indicators for safety and visual inspections.

What is the Short-Circuit Current Rating (SCCR) for these fuse blocks?

The Short-Circuit Current Rating (SCCR) for these fuse blocks is 200kA.

What is the maximum wire size for 30A box connectors?

The 30A box connectors can accommodate wire sizes from 2-14 AWG CU-AL.

What are the recommended fuse types to use with these holders?

The recommended fuse usage is with AJT, A4J, and HSJ Class J fuses.

What is the purpose of the dovetail design?

The dovetail design allows for interlocking configurations of 2-pole and 3-pole bases for multi-pole field assembly.

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.