Eaton CB174-30 automotive circuit breaker - RoHS Compliant
Part Number: CB174-30
Quick Summary
Eaton CB174-30 automotive circuit breaker protects vehicle electrical circuits from overloads in harness systems. This compact protection device addresses installation challenges and space constraints commonly faced in automotive enclosures. While RoHS compliant, it is designed for Type III automotive protection with quick-connect terminals to streamline field service and OEM assembly. The CB174-30 supports reliable, repeatable protection across fleets and service programs, reducing wiring damage and downtime. For manufacturers and maintenance teams, this unit offers predictable performance, compatibility with Bussmann series components, and a path to lower total cost of ownership through faster installation and easier part replacement.
Product Information
Extended Description
CB174-30 Eaton: Eaton Bussmann series C.B.174 automotive circuit breaker, 30A, Type III, Quick-connect
Product Name
Eaton Bussmann series CB174 automotive circuit breaker
Catalog Number
CB174-30
UPC
051712593496
Product Length/Depth
0.56 in
Product Height
1.37 in
Product Width
1.7 in
Product Weight
0.4 lb
Compliances
Contact factory RoHS Compliant
Amperage Rating
30 A
Bussmann series 4-foot automotive planogram no.10730
Bussmann series full line retail catalog no. 5084
Bussmann series full line retail catalog no. 5084
Bussmann series full line retail catalog no. 5084
Bussmann series Fuseology
Eaton Specification Sheet - CB174-30
The CB174-30 provides 30 A protection for automotive circuits, ensuring overload conditions do not damage wiring or components in harness assemblies, which translates to fewer roadside faults and service calls. This feature enables a measurable improvement in system reliability, reducing maintenance costs for fleets and OEMs alike, while enabling quicker diagnostics during inspections. Its Type III protection specification offers a robust response profile suitable for automotive load profiles, and the quick-connect terminals simplify and speed installation in tight enclosures, lowering labor time and improving inventory management. RoHS compliance ensures regulatory alignment for modern vehicle manufacturing and end-of-life recycling, reducing compliance risk. The unit’s compact dimensions (0.56 in depth, 1.37 in height, 1.7 in width) and light weight (0.4 lb) enable denser enclosures and more flexible routing. Its Bussmann series heritage signals proven reliability in high-vibration automotive environments, supporting long-term durability. Compatibility with standard Bussmann catalogs and spare parts simplifies replacement and maintenance planning, helping service teams minimize fleet downtime.
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FAQs
CB174-30 uses quick-connect terminals designed for automotive harness assemblies. To install, ensure clean, dry contact surfaces, correct terminal mate, and secure seating within the enclosure. Verify wiring gauge compatibility and inspect for proper crimp or insertion before energizing the circuit. Use the catalog number CB174-30 to source compatible fuse or protection components when planning spares.
CB174-30 provides overcurrent protection with a 30 A amperage rating, Type III tripping characteristics, and quick-connect terminals for fast wiring. It safeguards automotive circuits against short circuits and overload conditions, preventing wiring insulation damage and component failure. This combination supports reliable protection in harnesses and reduces the risk of collateral damage in vehicles and trailers.
CB174-30 is well suited for automotive wiring harness protection, under-hood fuse blocks, and protection modules in light to medium-duty vehicles. Its compact form factor and quick-connect design make it ideal for OEM assemblies and after-market service kits where space is limited and installation speed matters.
CB174-30 is RoHS compliant, aligning with modern regulatory expectations for materials and manufacturing. The datasheet notes general compliance and recommends factory contact for additional certifications if required by your program. There is no CE, SIL, or IP rating data provided in the current spec set; verify with Eaton for any project-specific certification needs.
By providing reliable, plug-and-play protection with quick-connect terminals, CB174-30 minimizes installation time and field troubleshooting. Its compact size enables denser enclosures, reducing wiring harness complexity. RoHS compliance supports regulatory readiness, while the Bussmann series heritage offers proven durability in vibration environments, contributing to lower replacement/maintenance costs and improved uptime across fleets.