Eaton RM25400-3CR Modular Fuse Block - UL Listed
Part Number: RM25400-3CR
Quick Summary
Eaton RM25400-3CR modular fuse block safely protects electrical circuits in industrial controls. You need a reliable, space-efficient fuse solution that minimizes panel downtime and wiring errors. UL Listed and CSA Certified marks, along with RoHS compliance and CE marking, signal strong safety and regulatory alignment. With a 225-400 A, 250 V rating in a three-pole Class R design and knife blade end connections, this unit offers dependable protection while simplifying field maintenance. By leveraging the Bussmann RM series compatibility, operators gain predictable replacement paths and faster, safer panel upgrades, reducing inventory complexity and maximizing uptime across critical processes.
Product Information
Extended Description
RM25400-3CR Eaton: Eaton Bussmann Series RM modular fuse block, CR, 225-400 A, Three-pole, Class R, Knife blade end x knife blade end, 250 V
Product Name
Eaton Bussmann Series RM modular fuse block
Catalog Number
RM25400-3CR
UPC
051712386999
Product Length/Depth
1.75 in
Product Height
4 in
Product Width
9.5 in
Product Weight
6.68 lb
Warranty
Not Applicable
Compliances
RoHS Compliant CE Marked
Certifications
Contact Manufacturer UL Listed CSA Certified
Amperage Rating
225-400A
Voltage rating
250 V
Number of Poles
Three-pole
Class
Class R
Connection
Knife blade end x knife blade end
Special features
CR
RM25400-3CR~FUSE HOLDER
RM25400-3CR~FUSE HOLDER
Bussmann series Fuseology
Eaton Specification Sheet - RM25400-3CR
Feature → Business Impact → Application: The RM25400-3CR employs a modular fuse block design that simplifies installation and future upgrades, reducing commissioning time and field wiring errors. This translates to lower labor costs and faster maintenance cycles in control panels and motor control centers. Application: suitable for industrial machinery and panel boards where quick, reliable fuse changes are essential. Feature → Business Impact → Application: It supports a wide amperage range of 225–400 A at 250 V, enabling engineers to protect diverse loads with a single, standardized block. Benefit: improved fault isolation and reduced risk of overcurrent damage, which preserves downstream equipment and lowers unplanned downtime. Application: feeders and power distribution sections in manufacturing lines. Feature → Business Impact → Application: Three-pole configuration with knife blade end connections provides solid mechanical alignment and fast field replacement. Benefit: faster service and safer connections with low contact resistance, enhanced by Class R compatibility. Application: control panels requiring compact yet robust protection blocks. Feature → Business Impact → Application: Certifications including UL Listed, CSA Certified, RoHS and CE Marked offer regulatory assurance and global applicability. Benefit: simplifies cross-border procurement and compliance reporting, easing audits and supplier qualification. Application: international deployments of panel assemblies and equipment upgrades. Feature → Business Impact → Application: Integrated CR features and Bussmann RM lineage ensure compatibility with existing fuseholders, reducing obsolescence risk. Benefit: streamlined spares strategy and predictable lifecycle management. Application: retrofit projects or new installations in industrial automation environments.
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FAQs
Yes. The RM25400-3CR is designed as a three-pole Class R fuse block with knife blade end connections, compatible with Eaton Bussmann RM modular holders and fittings. It accepts standard CR fuses, enabling straightforward field upgrades and replacement without reworking panel layouts. This compatibility minimizes downtime and preserves existing wiring schemes while meeting UL listing and CSA certification requirements.
The unit is rated for 225-400 A and 250 V, configured as a three-pole fuse block with knife blade end connections. These ratings support protection of medium to high-current circuits in industrial controls, motor starters, and panel boards, while complying with Class R fuses and ensuring safe, reliable operation under normal and fault conditions.
Ideal for industrial automation applications such as manufacturing lines, control panels, motor control centers, and power distribution assemblies. Its rugged three-pole design, sturdy knife blade terminations, and high-current rating make it well-suited for equipment protection in demanding environments where uptime and quick maintenance are critical.
The RM25400-3CR carries UL Listed and CSA Certified marks, along with RoHS compliance and CE marking. These certifications support global procurement, regulatory compliance, and safer product integration in diverse markets, reducing the need for additional qualification steps during audits or supplier qualification.
The modular fuse block design enables quick fuse removal and replacement, minimizing downtime during maintenance. Compatibility with existing RM series components reduces spare parts variety, improving inventory management. In practice, this translates to faster repairs, lower labor costs, and a more predictable maintenance schedule across industrial control systems.