Overview
The Bussmann R25030-3CR is a Class R modular fuse block designed for industrial and commercial electrical protection applications. This three-pole unit is rated for 30 amperes at 250 volts and features box lug terminals for secure, reliable connections. The R25030-3CR is part of Eaton’s Bussmann Series of fuse accessories and is widely used in HVAC systems, motor control centers, panel boards, and other electrical distribution equipment where compact, efficient overcurrent protection is required.
Key Features
- Class R fuse classification for selective coordination and high-fault current capacity
- Three-pole configuration for three-phase or single-phase applications
- Box lug terminals for secure wire connections
- Compact modular design for easy installation in existing electrical panels
- 250V rated for residential, commercial, and light industrial use
- 30A amperage rating suitable for branch circuit and feeder protection
Technical Specifications
- Voltage Rating: 250V AC
- Current Rating: 30 Amps
- Poles: 3
- Fuse Class: R (Class R cartridge fuses)
- Terminal Type: Box Lug
- Mounting: DIN rail or panel mount (verify mounting hardware included)
- Certifications: CSA certified, C22.2 compliant
- Fuse Size: 1/10 to 30 Amps (supports range within Class R envelope)
Typical Applications
- HVAC systems and air conditioning units
- Motor control centers and motor branch circuits
- Panel boards and electrical distribution cabinets
- Industrial control systems requiring selective coordination
- Commercial lighting and power distribution
- Equipment requiring Class R fuse selective coordination
Compatibility & Replacements
Compatible With
- Eaton/Bussmann Class R cartridge fuses (1/10-30A range)
- Industrial electrical panels and motor control centers
- Standard DIN rail and panel mount configurations
- Three-phase and single-phase electrical systems
- 250V power distribution systems
Replaces / Drop-In Replacement For
- Cooper Bussmann R25030-3CR (original manufacturer designation)
- Eaton R25030-3CR (current manufacturer)
- Verify compatibility with your specific panel and fuse holder configuration before ordering
Works With
- Bussmann Class R cartridge fuses up to 30A
- Eaton electrical protection systems
- Standard industrial electrical panels meeting UL 1008 standards
- Motor protection applications using Class R selective coordination
















