Eaton RM60400-3CR Modular Fuse Block - Class R
Part Number: RM60400-3CR
Quick Summary
Eaton RM60400-3CR modular fuse block provides compact, high-current protection for three-pole distributions. Engineers often face crowded panels, difficult wiring, and slow field replacements when protecting feeders at 225–400 A. This product carries UL Listed, CSA Certified, RoHS compliant, and CE Marked certifications, delivering regulatory assurance for global installations. With modular design and knife blade end connections, you gain faster assembly, easier field replacement, and reduced spare-parts inventory. These attributes translate into improved uptime, lower total cost of ownership, and greater design flexibility in switchgear, MCCs, and distribution panels. Its three-pole, Class R rating further ensures selective coordination and dependable protection in industrial power systems.
Product Information
Extended Description
RM60400-3CR Eaton: Eaton Bussmann Series RM modular fuse block, CR, 225-400 A, Three-pole, Class R, Knife blade end x knife blade end, 600 V
Product Name
Eaton Bussmann Series RM modular fuse block
Catalog Number
RM60400-3CR
UPC
051712387026
Product Length/Depth
12.5 in
Product Height
4.75 in
Product Width
11 in
Product Weight
6.92 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
Three-pole
Class
Class R
Connection
Knife blade end x knife blade end
Special features
CR
RM60400-3CR~FUSE HOLDER
RM60400-3CR~FUSE HOLDER
Bussmann series Fuseology
Eaton Specification Sheet - RM60400-3CR
Feature: High-current protection up to 400 A at 600 V in a three-pole Class R fuse block with knife blade end terminals. Business Impact: Supports large feeders and motors while meeting safety and regulatory standards, reducing nuisance trips, and minimizing downtime. Application: Motor control centers, distribution panels, and switchgear in demanding industrial environments. Feature: Modular RM60400-3CR design enabling scalable protection blocks and straightforward maintenance. Business Impact: Simplifies spare parts management, faster upgrades, and easier field replacements, lowering maintenance costs. Application: New builds and retrofits in automation lines and industrial plants. Feature: Comprehensive compliance package including RoHS, CE marking, UL Listed, and CSA Certified. Business Impact: Global readiness and safer supply chains, reducing audit and compliance risk. Application: Worldwide installations in factories, data centers, and processing facilities. Feature: Physical footprint and weight as a compact, mountable unit (12.5 in L Ă— 11 in W Ă— 4.75 in H; 6.92 lb). Business Impact: Predictable panel fitment and airflow planning, enabling efficient enclosure design. Application: Control panels, MCC interiors, and distributed power blocks. Feature: Availability of documented specifications and catalogs for design verification. Business Impact: Accelerates procurement, reduces engineering time, and validates compliance. Application: System architecture reviews and panel fabrication workflows.
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FAQs
The RM60400-3CR is designed for three-pole protection within Eaton's Bussmann RM modular fuse system and is compatible with control panels, MCCs, and distribution panels that use knife blade end connections. Its 225–400 A rating and 600 V capacity suit medium- to large-size feeders in industrial switchgear, enabling straightforward retrofits and scalable protection blocks.
The 225–400 A rating supports protection for large feeders and motor circuits without excessive voltage drop or nuisance trips. In MCCs, this translates to targeted fuse protection for motor starters and feeders, improved selective coordination, and reduced downtime from fault events, while maintaining safety and regulatory compliance for industrial environments.
Yes. The RM60400-3CR features UL Listed and CSA Certified marks, along with CE marking and RoHS compliance. These certifications indicate suitability for global deployments, simplify cross-border procurement, and support regulatory adherence in diverse jurisdictions and audit scenarios.
Knife blade end connections enable quick, strong field terminations but require clean, compatible terminations and proper torque during assembly. Plan for adequate enclosure depth (12.5 in) and width (11 in) to accommodate the unit, ensure access for maintenance, and provide appropriate clearances for heat dissipation and safe blade insertion, especially in dense panels like MCCs.
You can access the RM60400-3CR specification sheet and catalogs through Eaton’s documentation. Available items include the RM60400-3CR datasheet, full-line catalogs, and related multimedia resources such as the Bussmann series Fuseology video, which support design verification, procurement, and installation planning.