Eaton RM60400-1CR Modular Fuse Block - Class R
Part Number: RM60400-1CR
Quick Summary
The RM60400-1CR modular fuse block is a high-current protection device for electrical panels and distribution boards. It addresses maintenance pain points like slow fuse changes, panel downtime, and inconsistent protection selection by offering a reliable, field-replaceable solution. The design carries UL Listed, CSA Certified, and CE Marked compliance, with RoHS for sustainability in modern facilities. With 225-400 A and 600 V ratings, it fits standard industrial cabinets and supports efficient spare-parts strategies, reducing downtime and total cost of ownership for critical equipment.
Product Information
Extended Description
RM60400-1CR Eaton: Eaton Bussmann Series RM modular fuse block, CR, 225-400 A, Single-pole, Class R, Knife blade end x knife blade end, 600 V
Product Name
Eaton Bussmann Series RM modular fuse block
Catalog Number
RM60400-1CR
UPC
051712387002
Product Length/Depth
1.5 in
Product Height
4.7 in
Product Width
3.74 in
Product Weight
2.32 lb
Warranty
Not Applicable
Compliances
RoHS Compliant CE Marked
Certifications
Contact Manufacturer UL Listed CSA Certified
Amperage Rating
225-400A
Voltage rating
600 V
Number of Poles
Single-pole
Class
Class R
Connection
Knife blade end x knife blade end
Special features
CR
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - RM60400-1CR
Feature: High-current rating 225-400 A with a 600 V maximum. Business Impact: Enables protection of large feeders and motor loads without stacking devices, reducing panel clutter and wiring complexity. Application: Ideal for main feeds, distribution blocks, and critical motor control centers in manufacturing lines. Feature: Class R fuse type with single-pole operation. Business Impact: Improves selective coordination and simplifies replacement planning in dense control cabinets. Application: Suitable for software-defined plant architectures and legacy panel retrofits. Feature: Knife blade end to knife blade end connection. Business Impact: Facilitates quick, secure field wiring and minimizes installation time. Application: Common in retrofit projects and new installations in rugged environments. Feature: RoHS compliant with UL Listed and CSA Certified. Business Impact: Ensures regulatory compliance and easier procurement across global sites. Application: Supports sustainability programs while meeting safety standards. Feature: Compact, modular form factor. Business Impact: Reduces footprint in crowded panels and accelerates spare-parts management. Application: Ideal for modular switchgear and subpanel layouts.
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FAQs
When installing the RM60400-1CR, verify panel ratings match the 225-400 A, 600 V specification and ensure single-pole, knife blade end connections fit the existing bus structure. Check for RoHS compliance and confirm UL Listed and CSA Certified status align with plant procurement requirements. Plan for straightforward field replacement and verify clearance around the fuse block for heat dissipation and maintenance access.
The device supports 225-400 A at up to 600 V, enabling protection of large feeders and motor loads. Choose fuses within this amperage band to maintain protective coordination with upstream devices. The Class R designation aids in selective coordination, reducing the risk of unnecessary upstream trips. Consider panel duty cycles, fault current levels, and thermal ratings to optimize protection without compromising availability.
Yes, RM60400-1CR is designed for 600 V systems commonly found in industrial panels, switchgear, and motor control centers. It excels with large feeders and critical loads that require reliable, field-replaceable protection. For best results, pair it with compatible RM series accessories and ensure the installation aligns with the panel’s coordination study and OEM guidelines.
The RM60400-1CR is UL Listed, CSA Certified, and CE Marked, with RoHS compliance. These certifications confirm safety, reliability, and environmental compliance, simplifying cross-border procurement and reducing supplier risk. Compliance supports regulatory audits, warranties, and ensures the product meets international standards for industrial protection components.
Field-replaceable design and a single-pole, knife blade end connection enable rapid fuse changes, minimizing downtime during maintenance outages. The Class R protection improves selective coordination, reducing the likelihood of broader circuit trips. Over time, this translates to lower spare-parts inventory variety, faster service responses, and improved overall equipment uptime in high-demand production environments.