Eaton BK/CB221-10 Automotive Circuit Breaker - 150 AIC
Part Number: BK/CB221-10
Quick Summary
Eaton BK/CB221-10 automotive circuit breaker protects vehicle power circuits from overloads and short circuits. Engineers often struggle with compact spaces and the need for dependable, fast-acting protection in rugged automotive environments. Compliances are not listed here; contact Eaton to confirm SIL, CE, or IP ratings for your regulatory requirements. Designed for 14 Vdc systems, it offers a 10 A rating and a 150 AIC interrupt rating, with a Type I ATC footprint for straightforward plug‑in installation in standard automotive fuse blocks. Bulk packaging and the Bussmann series lineage support streamlined procurement and easier fleet level protection programs.
Product Information
Extended Description
BK/CB221-10 Eaton: Eaton Bussmann series CB221 automotive circuit breaker, Packaging quantity 100, 14 Vdc, 10 A, 150 AIC, Type I ATC footprint
Product Name
Eaton Bussmann series CB221 automotive circuit breaker
Catalog Number
BK/CB221-10
UPC
051712846806
Product Length/Depth
1.3 in
Product Height
0.76 in
Product Width
0.22 in
Product Weight
0.2 lb
Compliances
Contact factory
Amperage Rating
10 A
Interrupt rating
150 AIC
Voltage rating
14 Vdc
Quantity
6
Special features
Packaging quantity 100
Bussmann series 4-foot automotive planogram no.10730
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - BK/CB221-10
Feature → Business Impact → Application: The 14 Vdc, 10 A rating combined with a 150 AIC interrupt capacity delivers reliable overcurrent protection for critical automotive circuits, reducing the risk of wiring damage and costly downtime in fleet operations. Application in engine bays or body harnesses benefits from a Type I ATC footprint, enabling quick, plug‑in installation without complex rewiring. Feature → Business Impact → Application: Compact dimensions 1.3 in length, 0.76 in height, and 0.22 in width create space for dense fuse blocks and crowded panels, improving packaging density and serviceability in aftermarket and original equipment environments. Feature → Business Impact → Application: Packaging quantity of 100 units per order and bulk Bussmann lineage simplify procurement, lowering lead times and inventory carrying costs for maintenance teams across multiple vehicles. Feature → Business Impact → Application: The noted compliance field indicates contact factory for formal SIL CE or IP certifications; this ensures you obtain accurate regulatory alignment before deployment in regulated industries. Feature → Business Impact → Application: The Type I ATC footprint supports compatibility with standard automotive fuse blocks, reducing part variation and enabling faster field replacements during maintenance cycles.
Get a Quick Quote for a Eaton BK/CB221-10
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 BK/CB221-10?
Enquire Now
FAQs
BK/CB221-10 uses the Type I ATC footprint designed for plug in to standard automotive fuse blocks. It replaces similar 14 Vdc protection devices in engine and body harness installations and ships in bulk packaging for streamlined procurement, supporting fleet scale maintenance programs.
Key specs include a 14 Vdc voltage rating, 10 A amperage rating, and a 150 AIC interrupt rating. These figures indicate reliable overcurrent protection for automotive circuits, enabling fast response to faults while minimizing collateral damage in wiring and components.
Yes for 14 V automotive electrical systems common in off road and heavy duty vehicles. Ensure compatibility with the Type I ATC footprint and verify the specific regulatory and surge requirements for your environment; the 150 AIC rating supports high surge conditions typical in rugged operations.
Formal SIL CE or IP certifications are not listed in the basic data; please contact Eaton or consult the Eaton Specification Sheet BK/CB221-10 to confirm regulatory alignments for your application and ensure compliance with your industry standards.
The CB221 supports efficient procurement with bulk packaging and aligns with Bussmann series protection, reducing spare part variety and inventory costs. Its plug in Type I footprint enables faster field replacements, minimizing downtime and improving maintenance turnaround in fleet operations.