Eaton HM25030-3SR HM modular fuse block - UL Listed
Part Number: HM25030-3SR
Quick Summary
HM modular fuse block from Eaton provides compact overcurrent protection for three-pole industrial control panels. Engineers struggle with bulky fuse configurations and inconsistent protection; this modular design minimizes footprint and simplifies replacement. It carries UL Listed and CSA Certified markings for regulatory compliance, and RoHS compliance helps meet modern environmental standards. The design integrates with Eaton’s Bussmann family for streamlined procurement and fast, predictable commissioning across panels and drive systems. For engineers seeking reliable protection, safety, and cost-effective maintenance, HM25030-3SR delivers a robust, scalable solution that fits standard electrical protection & circuit control workflows. Its three-pole configuration supports balanced load protection in small footprint enclosures.
Product Information
Extended Description
HM25030-3SR Eaton: Eaton Bussmann series HM modular fuse block, 0-30 A, Three-pole, Class H, Class K, 10 kAIC, 250 V
Product Name
Eaton Bussmann series HM modular fuse block
Catalog Number
HM25030-3SR
UPC
051712512732
Product Length/Depth
3.16 in
Product Height
1.98 in
Product Width
2.89 in
Product Weight
0.24 lb
Warranty
Not Applicable
Compliances
RoHS Compliant
Certifications
Contact Manufacturer UL Listed CSA Certified
Amperage Rating
0-30A
Short-circuit rating
10 kA
Voltage rating
250 V
Number of Poles
Three-pole
Class
Class K Class H
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Bussmann series Fuseology
Eaton Specification Sheet - HM25030-3SR
Feature → Business Impact → Application: The HM25030-3SR’s 0–30 A amperage rating in a three-pole modular fuse block provides precise protection for small-to-medium loads, reducing nuisance trips and safeguarding critical equipment. This directly lowers downtime and extends component life in industrial control panels and machine enclosures. Application: ideal for panel builders and integrators seeking reliable, scalable protection within compact dimensions. Feature → Business Impact → Application: Class H and Class K fuse compatibility within the same block reduces spare parts inventory and simplifies procurement. It enables flexible protection strategies across motors, drives, and valve systems while maintaining consistent performance. Application: suitable for mixed-fuse environments in automated lines and packaging machinery. Feature → Business Impact → Application: A 10 kA short-circuit rating paired with 250 V operation greatly enhances fault tolerance, limiting upstream damage during faults and improving system resilience. Application: drives, feeders, and high-current panels in manufacturing environments requiring robust protection. Feature → Business Impact → Application: RoHS compliance and UL Listed/CSA Certified status support regulatory conformity and safe, sustainable installations. Application: multinational facilities and regulated industries where standard compliance accelerates approvals and audits. Feature → Business Impact → Application: Compact footprint and seamless catalog integration reduce engineering time and panel space, while preserving wiring clarity. Application: retrofits and new builds where space is at a premium and rapid sourcing matters. Feature → Business Impact → Application: Overall procurement and maintenance efficiency improve through standardized Bussmann-series components and quick fuse replacements, delivering predictable performance and lower total cost of ownership across sites.
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FAQs
HM25030-3SR installs by mounting the three-pole module into a compatible panel space and securing it with standard hardware. The unit measures about 3.16 in deep, 1.98 in tall, and 2.89 in wide, and accepts Bussmann HM fuses rated 0–30A up to 250 V. Use Class H or K fuses for documented protection and verify UL CSA labeling on the part.
A 10 kA short-circuit rating indicates the HM25030-3SR can safely interrupt fault currents up to 10,000 amps at its rated voltage, reducing the likelihood of upstream damage during fault events. This rating, combined with 250 V and 0–30 A protection, supports reliable operation in medium-to-large industrial circuits and aligns with typical panel protection standards.
Yes. The HM25030-3SR is designed for three-pole, three-phase protection in motor control and drive enclosures. Its Class H and Class K fuse compatibility, 0–30 A range, and 250 V rating support motor starters, VFDs, and automation panels. Its compact footprint simplifies mounting in tight enclosures while keeping compliance with UL and CSA requirements.
The HM25030-3SR carries UL Listed and CSA Certified markings and RoHS compliance. UL and CSA verify safety and performance for electrical protection devices, while RoHS ensures restricted use of hazardous substances. These certifications help meet regional electrical codes, facilitate procurement with qualified suppliers, and reduce risk across manufacturing sites. They also support global deployments and warranty confidence.
Using HM25030-3SR can reduce inventory complexity by supporting multiple fuses (Class H/K) in one modular block, cutting spare parts and maintenance time. Its compact size saves panel space and simplifies wiring, while UL/CSA compliance lowers regulatory risk. Combined with fast commissioning from standard Bussmann catalogs, the TCO improvement is observable across facilities.