Eaton CB174-20 Automotive Circuit Breaker - Type III
Part Number: CB174-20
Quick Summary
The Eaton CB174-20 automotive circuit breaker protects vehicle electrical circuits by interrupting faults. Engineers often contend with vibration, limited space, and complex wiring that slow assembly and risk downtime. RoHS compliant and designed for automotive use, this device supports market-driven needs; consult Eaton for any additional CE or IP certifications as required. The result is a compact, dependable protection solution that streamlines installation, enhances reliability, and helps OEMs maintain consistent manufacturing and serviceability in diverse automotive environments.
Product Information
Extended Description
CB174-20 Eaton: Eaton Bussmann series C.B.174 automotive circuit breaker, 20A, Type III, Quick-connect
Product Name
Eaton Bussmann series CB174 automotive circuit breaker
Catalog Number
CB174-20
UPC
051712593397
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
20 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 - CB174-20
Feature: 20 A amperage rating with Type III protection paired with Quick-connect terminals. Business Impact: delivers precise overcurrent protection while enabling rapid wiring, reducing repair time and warranty costs. Application: ideal for automotive power distribution in harness assemblies where space and reliability matter. Feature: Compact form factor with dimensions 0.56 in depth, 1.7 in width, and 1.37 in height. Business Impact: supports dense packaging in dashboards and control modules, freeing valuable enclosure space. Application: fits tight automotive enclosures without compromising performance. Feature: Quick-connect terminals enhance installation speed and reduce wiring errors. Business Impact: lowers labor costs during assembly and simplifies field maintenance. Application: common in aftermarket and OEM wiring harness installations. Feature: RoHS compliant and robust automotive design. Business Impact: eases regulatory compliance and supports sustainable manufacturing. Application: suitable for global OEMs seeking dependable protection with limited environmental impact. Feature: Manageable weight of 0.4 lb and rugged build. Business Impact: improves handling during installation and reduces mounting stress on connectors. Application: lightweight protection in compact automotive control panels.
Get a Quick Quote for a Eaton CB174-20
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton CB174-20?
Enquire Now
FAQs
The CB174-20 is designed for automotive electrical protection with a 20 A amperage rating and Type III protection, featuring quick-connect terminals. It fits standard Bussmann CB174 family harnesses and is suitable for compact power distribution modules, engine bays, and dashboard networks in light to mid-duty vehicles.
Wire assembly uses the vehicle's harness with quick-connect terminals that snap into place, eliminating screw terminals and reducing installation torque risks. Ensure clean, crimped connections and verify the circuit’s load does not exceed 20 A. This approach speeds installation and improves vibration resistance in automotive environments.
Yes, the CB174-20 is RoHS compliant. For additional market-specific certifications such as CE or IP ratings, consult Eaton or your local distributor to confirm availability or alternatives tailored to your region or application.
The CB174-20 measures 0.56 inches in depth, 1.7 inches in width, and 1.37 inches in height, with a weight of 0.4 pounds. This compact profile supports dense packaging in control panels and instrument clusters while maintaining robust protection for automotive circuits.
The combination of 20 A protection, Type III operation, and quick-connect wiring reduces assembly time and miswiring risk. The compact form factor and RoHS compliance simplify servicing, spare parts compatibility, and regulatory alignment across diverse vehicle platforms.