Eaton CB223-7-1/2 Automotive Circuit Breaker - UL 94V-0
Part Number: CB223-7-1/2
Quick Summary
Eaton CB223-7-1/2 automotive circuit breaker protects 24 VDC circuits in compact automotive harnesses. Eaton engineers often face cramped panels and vibration that can cause nuisance trips; this device’s Type III ATC footprint and UL-rated 94V-0 housing address those challenges. With RoHS compliance and a gold or silver cover variant, it aligns with modern automotive safety and environmental standards. The combination of a small form factor, proven protection, and straightforward installation supports both OEM integration and aftermarket refreshes while delivering predictable performance in electrical protection and circuit control environments.
Product Information
Extended Description
CB223-7-1/2 Eaton: Eaton Bussmann series CB223 automotive circuit breaker, type III ATC footprint, 7-1/2A, 28 Vdc, UL-Rated 94V-0 thermoplastic housing with gold metal cover (type I) or silver metal cover (type II and III)
Product Name
Eaton Bussmann series CB223 automotive circuit breaker
Catalog Number
CB223-7-1/2
UPC
051712563871
Product Length/Depth
1.5 in
Product Height
0.25 in
Product Width
0.75 in
Product Weight
0.02 lb
Compliances
Contact factory RoHS Compliant
Amperage Rating
7-1/2A
Voltage rating
24 V DC
Quantity
1
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Eaton Specification Sheet - CB223-7-1/2
Feature: Type III ATC footprint fits standard automotive fuse blocks. Business Impact: Enables high-density panel designs and simpler wiring with proven compatibility, reducing design time and rework. Application: OEM modules and retrofit panels where space is at a premium. Feature: UL-rated 94V-0 thermoplastic housing with metal cover options. Business Impact: Enhances flame retardancy and durability in under-hood and chassis environments, lowering risk and warranty costs. Application: Automotive protection housings exposed to heat and vibration. Feature: 7-1/2A amperage rating at 24 VDC. Business Impact: Precisely sized protection to minimize nuisance trips while safeguarding critical loads, improving uptime. Application: Sensors, actuators, and control circuits in 24 V systems. Feature: Type III ATC footprint and compact dimensions (1.5 in x 0.75 in x 0.25 in, 0.02 lb). Business Impact: Lightweight, space-efficient protection that simplifies installation and reduces overall harness weight. Application: Dense automotive electronic assemblies and modular subpanels. Feature: Gold/silver cover variants and RoHS compliance. Business Impact: Aesthetically consistent installations with regulatory compliance, streamlining procurement and supplier audits. Application: Production lines requiring standardization across vehicle programs.
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FAQs
CB223-7-1/2 uses a Type III ATC footprint, aligning with standard automotive fuse blocks and ATC panel blocks. Its dimensions (1.5 in L x 0.75 in W x 0.25 in H) and 0.02 lb weight support easy integration into tight engine compartments and instrument clusters. For best results, verify lead lengths and housing variant (gold vs silver cover) per application.
The unit is rated at 7-1/2 A and 24 V DC, providing overcurrent protection tailored to small automotive loads. It features UL-rated 94V-0 thermoplastic housing and a Type III ATC footprint for reliable in-panel protection. When selecting, consider wiring gauge, load curves, and environmental conditions to prevent nuisance trips while maintaining fast disconnect behavior.
Yes. The CB223-7-1/2 employs UL-rated 94V-0 thermoplastic housing with metal covers (gold for Type I, silver for Type II/III), offering flame resistance and durable enclosure performance. Its compact form, along with the rugged ATC footprint, supports vibration-prone environments while maintaining electrical integrity and consistent trip characteristics throughout the vehicle’s operating range.
Key certifications include UL-rated 94V-0 flame classification for safe housing materials. The device is RoHS compliant, with factory confirmation, helping meet global environmental and materials restrictions. These standards support regulatory compatibility in OEM supply chains and simplify vendor qualification during audits and product deployments.
The CB223-7-1/2 delivers a compact protection solution that saves panel space and reduces wiring complexity, enabling denser installations and faster assembly. Its precise 7.5 A rating minimizes nuisance trips, while RoHS and UL 94V-0 compliance reduce compliance overhead and warranty costs. The result is lower maintenance downtime and improved mean time between failures for critical 24 V circuits.