Eaton CBF-20 Automotive Circuit Breaker - Type II RoHS
Part Number: CBF-20
Quick Summary
The Eaton CBF-20 automotive circuit breaker is a 20 A protection device designed for automotive electrical circuits. Engineers often struggle with protecting sensitive automotive loads without nuisance trips, space constraints, or sourcing inconsistencies. RoHS compliance and the Type II classification provide regulatory alignment and robust protection, while the Eaton Bussmann series lineage supports reliability and broad availability. This model offers clear advantages for fleet maintenance, OEM fabrication, and end-user serviceability, delivering dependable circuit protection with straightforward sourcing and documented compatibility for modern vehicle electrical architectures.
Product Information
Extended Description
CBF-20 Eaton: Eaton Bussmann series C.B.F automotive circuit breaker, 20A, Type II
Product Name
Eaton Bussmann series CBF automotive circuit breaker
Catalog Number
CBF-20
UPC
051712139502
Product Length/Depth
14.75 in
Product Height
7.5 in
Product Width
9.25 in
Product Weight
0.34 lb
Compliances
Contact factory RoHS Compliant
Amperage Rating
20 A
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Eaton Specification Sheet - CBF-20
Feature: 20 A amperage rating delivers precise overload protection for automotive circuits. Business Impact: minimizes wiring damage and unplanned downtime by preventing overcurrent events. Application: ideal for automotive harnesses and power distribution in light trucks, vans, and aftermarket installations. Feature: RoHS compliant design supports environmental and regulatory requirements. Business Impact: simplifies compliance accounting for fleets and OEMs, reducing qualification cycles. Application: suitable for components integrated into regulatory-scope automotive systems. Feature: Part of the Eaton Bussmann series provides consistent performance and broad parts availability. Business Impact: lowers procurement risk and accelerates repair cycles. Application: practical across service fleets and new equipment builds. Feature: clear dimensional footprint 14.75 in length, 9.25 in width, 7.5 in height. Business Impact: enables accurate enclosure planning and reduces installation rework. Application: straightforward integration into dedicated protection modules and OEM assemblies. Feature: 20 A rating with Type II construction supports reliable tripping behavior in automotive environments. Business Impact: enhances safety margins and fault discrimination in vehicle electrical systems. Application: suitable for power feeds, accessory circuits, and critical loads.
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FAQs
The CBF-20 is designed for automotive electrical protection with a 20 A rating, making it suitable for protecting power feeds, accessory circuits, and critical loads in light-duty and specialty vehicles. As part of the Bussmann series, it provides reliable protection for harnesses and distributed automotive circuits while aligning with RoHS requirements for market-ready components.
The CBF-20 is RoHS compliant, which supports environmental and regulatory expectations across many regions. Its Type II designation indicates a robust protection performance within automotive protection scenarios. By using a trusted Eaton Bussmann series device, you gain consistent response characteristics and a known supply chain, aiding regulatory documentation and supplier qualification processes.
Yes. The CBF-20 is part of the Eaton Bussmann series, which is designed for cross-compatibility within the same protection ecosystem. This compatibility simplifies sourcing, spares management, and integration into existing automotive protection architectures, ensuring consistent electrical protection across primary and accessory circuits.
Plan for enclosure and mounting space consistent with the device’s footprint (14.75 in length, 9.25 in width, 7.5 in height). Ensure proper terminal access, protection clearances, and RoHS-compliant assembly practices. Confirm catalog reference CBF-20 during procurement to align with the Bussmann series and avoid mismatches in protection parameters.
By delivering 20 A overcurrent protection with RoHS compliance and broad availability, the CBF-20 reduces nuisance trips, lowers downtime, and streamlines supplier qualification. Its proven reliability within the Bussmann series supports lower maintenance costs, faster field service, and improved overall uptime for automotive programs and fleets.