Eaton JM60400-1CR Modular Fuse Block - 200 kAIC
Part Number: JM60400-1CR
Quick Summary
The Eaton JM60400-1CR modular fuse block provides compact overcurrent protection for power distribution panels. Engineers often face space constraints and the need for reliable fault isolation in demanding electrical assemblies. This block carries UL Listed, CSA Certified, and CE Marked safety certifications, with RoHS compliance supporting regulatory alignment. As a Class J, single-pole device rated for 225-400 A at 600 V, it integrates smoothly with knife blade end connections, delivering installation efficiency and cost-effectiveness for modern control panels and machine builds.
Product Information
Extended Description
JM60400-1CR Eaton: Eaton Bussmann series JM modular fuse block, CR, 225-400 A, Single-pole, Class J, Knife blade end x knife blade end, 200 kAIC, 600 V
Product Name
Eaton Bussmann series JM modular fuse block
Catalog Number
JM60400-1CR
UPC
051712387033
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
2.475 lb
Warranty
Not Applicable
Compliances
RoHS Compliant CE Marked
Certifications
Contact Manufacturer UL Listed CSA Certified
Amperage Rating
225-400A
Interrupt rating
200 kAIC
Short-circuit rating
200 kA
Voltage rating
600 V
Number of Poles
Single-pole
Class
Class J
Connection
Knife blade end x knife blade end
Special features
CR
eaton-product-overview-for-machinery-catalogue-ca08103003zen-en-us.pdf
eaton-product-overview-for-machinery-catalogue-ca08103003zen-en-us.pdf
Bussmann series Fuseology
Eaton Specification Sheet - JM60400-1CR
JM60400-1CR~FUSE HOLDER
Datasheet - FNQ-30
The JM60400-1CR delivers a wide amperage range of 225-400 A, with a 200 kAIC interrupt rating for robust fault tolerance. Business impact: higher system uptime and safer fault isolation in power distribution panels. This module uses a Class J single-pole design with knife blade end connections, enabling fast fuse replacement and simplified field maintenance in industrial environments. Application: control panels, OEM machinery, and automation cabinets benefit from quick serviceability and reduced downtime. The device is RoHS compliant, CE marked, UL Listed, and CSA Certified, ensuring regulatory compliance across global projects. Compatibility with Eaton Bussmann JM modular family promotes standardized spare parts management and streamlined procurement. Installation advantages include compact form factor and straightforward wiring, reducing panel footprint while meeting demanding electrical codes. Real-world use cases show improved fault clearance sequences and predictable performance under high-current conditions.
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FAQs
When installing the JM60400-1CR, ensure compatibility with knife blade end fuses in the Bussmann modular family and clean, straight blade connections to prevent arcing. Mount the unit in a rated enclosure with appropriate clearance for heat dissipation, secure mounting hardware, and verify proper conductor torque per supplier guidance to maintain UL/CSA compliance.
The fuse block is rated for 225-400 A, with a 600 V voltage rating and a 200 kAIC interrupt rating. In panel design, this supports high-current protection for main feeders and feeders to subpanels, enabling selective coordination and improved fault margin calculations while meeting Class J protection standards.
Yes, the JM60400-1CR is rated at 600 V, making it suitable for many 600 V AC power distribution applications. For DC service or non-standard systems, consult Eaton datasheets to confirm compatibility and any potential derating or requirement for additional components.
The JM60400-1CR carries UL Listed and CSA Certified marks, along with CE marking and RoHS compliance. These certifications support safety, interoperability, and environmental compliance in global industrial environments and simplify audit readiness and supplier qualification.
The modular design allows rapid fuse replacement and simplified servicing, reducing downtime during maintenance. The high interrupt rating and robust Class J protection improve system reliability, potentially lowering warranty costs and extending panel life while standardizing components within the Eaton Bussmann JM family for consistent sourcing.