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Overview
- 60A Class J fuse block with adder box configuration
- Supports 600VAC/600VDC applications
- Accommodates copper or aluminum conductors (#2-14 AWG)
- UL4248-listed and CSA-certified
- High-conductivity tin-plated copper fuse clips with spring-reinforced or non-spring options
- Insulators with dielectric strength exceeding 2500V
- Adder block design enables multi-pole configurations (1-, 2-, or 3-pole blocks)
Specifications
AC Voltage Rating | 600 V |
Amperage Rating | 60 A |
Brand Name | Mersen |
Class | Class J |
Connection | Box |
Connection Type | Box Connector |
Connection Type | Screw, pressure plate, box, or stud connectors |
Current Rating | 60A |
DC Voltage Rating | 600 V |
Material | Glass Filled Polycarbonate |
Material | Tin-plated copper (fuse clips), Glass-filled polycarbonate (insulator) |
Material | Glass-filled polycarbonate (GFPC) or phenolic |
Maximum Operating Temperature | 80 C |
Mounting | Direct Screw Mount |
Number Of Poles | 1 |
Phase | 1 |
Poles | 1-Pole (with adder block for multi-pole) |
Poles | Multi-pole (1-, 2-, or 3-pole blocks) |
Series | Class J |
Size | 3.9 x 1.5 x 2.2 in |
Size | 99.06 x 38.1 x 55.88 mm |
Size | #2-14 AWG |
Special Features | Class J Blocks (600V) use with AJT, A4J, HSJ |
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 | 600VAC/600VDC |
Voltage Rating | 600VAC 600VDC |
Voltage Rating | 600 VAC |
Package Dimensions (L x W x H) | 3.9 in x 1.5 in x 2.2 in |
Package Dimensions (L x W x H) | 99.06 mm x 38.1 mm x 55.88 mm |
Package Weight (Imperial) | 0.250 lb |
Package Weight (Metric) | 0.113 kg |
Frequently Asked Questions
What voltage ratings does the 60600J support?
The 60600J supports 600VAC and 600VDC applications.
What conductor types are compatible with the 60600J?
The 60600J accommodates stranded or solid copper or aluminum conductors with wire ranges from #2-14 AWG.
Is the 60600J UL and CSA certified?
Yes, the 60600J is UL4248-listed and CSA-certified.
What is the dielectric strength of the 60600J insulators?
The insulators have a dielectric strength exceeding 2500V.
Can the 60600J be used in multi-pole configurations?
Yes, the adder block design allows snapping onto 1-, 2-, or 3-pole blocks for multi-pole configurations.
What are the fuse clip options for the 60600J?
The 60600J features high-conductivity tin-plated copper fuse clips with spring-reinforced or non-spring options.
What is the mounting screw size for the 60600J?
Recommended mounting screws for the 60600J are 1/4" (0.250" dia).
What fuse types are recommended for use with the 60600J?
The 60600J is designed for use with Class J fuses such as AJT, A4J, and HSJ.
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.



