Eaton JM60400-1MW16 Bussmann modular fuse block - UL Listed
Part Number: JM60400-1MW16
Quick Summary
Eaton JM60400-1MW16 is a modular fuse block designed to protect electrical circuits in industrial equipment. This unit simplifies high-current protection for motor drives and power distribution panels, reducing wiring complexity and downtime. UL Listed, CSA Certified, RoHS Compliant, and CE Marked, these certifications support compliance in regulated facilities and global deployments. The device combines a 225-400 A amperage range with a 600 V rating, enabling robust protection for critical loads, while offering straightforward installation and reliable performance. For engineers evaluating total cost of ownership, the JM60400-1MW16 supports safer maintenance and faster commissioning alongside compatible terminal configurations for streamlined panel design.
Product Information
Extended Description
JM60400-1MW16 Eaton: Eaton Bussmann series JM modular fuse block, 225-400 A, Single-pole, Class J, Lineside: (1) 600MCM - 4 AWG Cu/Al, Loadside: (6) 2 - 14 AWG Cu, 2-8 AWG Al, 200 kAIC, 600 V
Product Name
Eaton Bussmann series JM modular fuse block
Catalog Number
JM60400-1MW16
UPC
051712491136
Product Length/Depth
8 in
Product Height
4.92 in
Product Width
3.43 in
Product Weight
2.24 lb
Warranty
Not Applicable
Compliances
RoHS Compliant CE Marked
Certifications
Contact Manufacturer UL Listed CSA Certified
Amperage Rating
225-400A
Short-circuit rating
200 kA
Voltage rating
600 V
Number of Poles
Single-pole
Class
Class J
eaton-product-overview-for-machinery-catalogue-ca08103003zen-en-us.pdf
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 - JM60400-1MW16
Feature → Business Impact → Application: The JM60400-1MW16 provides a wide 225-400 A amperage range and 600 V voltage rating, delivering scalable protection for mid-range motor feeders and power distribution circuits. This translates to improved fault isolation and reduced cascading failures in harsh factory environments, minimizing unscheduled downtime on conveyor lines and packaging equipment. Compatibility with 600MCM - 4 AWG Cu/Al lineside and 2-14 AWG Cu, 2-8 AWG Al loadside terminals simplifies field installation and stocking, cutting commissioning time by days in large assemblies. The Class J architecture and 200 kAIC short-circuit rating address high-energy faults, supporting safer startup sequences and longer component life in press, pump, and metalworking applications. RoHS, CE marking, UL Listed, and CSA Certified compliance deliver measurable risk reduction for regulated facilities while maintaining lean BOMs and standardization across machines. This fuse block’s single-pole design aids in modular panel layouts, reducing panel depth and improving heat management in compact control cabinets.
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FAQs
What mounting and termination options are supported for the JM60400-1MW16 in retrofit projects? The fuse block supports lineside termination from 600MCM to 4 AWG Cu/Al and loadside connections of 2-14 AWG Cu and 2-8 AWG Al, enabling straightforward integration with legacy panels and new builds alike. Ensure panel space accommodates the 8 inch length and 4.92 inch height, and confirm UL CSA certification compatibility with your installation standards.
What amp rating and short-circuit capacity does the JM60400-1MW16 provide? It is rated for 225-400 A, with a short-circuit rating of 200 kA and a voltage rating of 600 V. These ratings support protection for medium large loads in commercial and industrial environments, including motors, drives, and power distribution circuits, while meeting stringent industry safety requirements.
Is this modular fuse block appropriate for motor protection in production lines? Yes. The Class J fuse block with 200 kAIC short-circuit rating is designed for high-energy faults common in motors and conveyors, providing fast clearing with reliable lineside and loadside terminations. Its compact form factor and robust terminals simplify motor protection schemes in machine builders and integrators.
Which regulatory certifications accompany the JM60400-1MW16 and how do they impact compliance? The product is UL Listed and CSA Certified, with RoHS compliance and CE marking. These certifications help meet electrical safety, environmental, and market-specific requirements across North America and Europe, reducing compliance risk for regulated facilities and multi-national deployment.
What ongoing maintenance and return on investment does the JM60400-1MW16 offer? Routine inspection focuses on connection integrity and terminal torque in both lineside and loadside terminals. Benefits include reduced downtime from reliable fault protection, lower panel rework due to standardized Class J components, and improved lifecycle performance for motor drives, helping tight control budgets and faster project payback.