Eaton BK/CB211-15 automotive circuit breaker - ATM footprint
Part Number: BK/CB211-15
Quick Summary
The Eaton BK/CB211-15 automotive circuit breaker provides rapid overcurrent protection for automotive wiring and mobile equipment. In tight enclosures, engineers often struggle with space constraints that force tradeoffs between protection and accessibility. Note that specific certifications such as CE marking, IP ratings, or SIL availability depend on market and must be confirmed with the factory. Designed for Bussmann series automotive protection, it supports 14 Vdc systems and a compact form factor, enabling easy integration into existing harnesses—helping reduce maintenance needs and warranty costs while delivering dependable protection in demanding environments.
Product Information
Extended Description
BK/CB211-15 Eaton: Eaton Bussmann series CB211 automotive circuit breaker, Packaging quantity 100, 14 Vdc, 15 A, 150 AIC, Type I ATM footprint
Product Name
Eaton Bussmann series CB211 automotive circuit breaker
Catalog Number
BK/CB211-15
UPC
051712846752
Product Length/Depth
0.49 in
Product Height
0.25 in
Product Width
1.42 in
Product Weight
0.1 lb
Compliances
Contact factory
Amperage Rating
15 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/CB211-15
Feature: 14 Vdc operating voltage with 15 A current rating and a 150 AIC interrupt rating. Business impact: Robust protection against automotive short circuits, reducing the risk of wiring damage and component failure. Application: Ideal for 14 V automotive electrical systems in harnesses and compact control panels. Feature: Type I ATM footprint for quick, drop-in installation and proven compatibility with Eaton Bussmann CB211 family devices. Business impact: Streamlines panel design and lowers assembly time, improving uptime in vehicle and equipment assemblies. Application: Suitable for space-constrained dashboards, fuse blocks, and compact power distributions. Feature: Ultra-compact dimensions (0.49 in depth, 0.25 in height, 1.42 in width) and light 0.1 lb weight. Business impact: Space savings translate to smaller enclosures and easier routing of harnesses. Application: Common in crowded automotive assemblies where every millimeter counts. Feature: Packaging quantity of 100 units supports bulk procurement and consistent stocking. Business impact: Reduces reorder frequency and shipping costs for distributors and repair shops. Application: Ideal for fleet maintenance programs and OEM supply chains. Feature: Documents and data access through Eaton resources (spec sheets, catalogs, planograms, videos). Business impact: Accelerates design validation and ensures correct part selection. Application: Procurement teams and engineers can quickly verify specifications and compatibility.
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FAQs
BK/CB211-15 uses the Type I ATM footprint, designed for drop-in mounting in compatible automotive panels. Ensure proper wiring to the 14 Vdc supply and protect the circuit with the 15 A rated contact. Follow standard automotive panel assembly practices and reference Eaton’s spec sheet for mounting distance and clearance guidance.
A 150 AIC interrupt rating indicates the maximum fault current the breaker can safely interrupt without sustaining damage. In automotive applications, this helps protect wiring harnesses and connected components from short-circuit events, improving system reliability and reducing the risk of thermal damage.
Yes. The BK/CB211-15 is rated for 14 Vdc operation, aligning with common automotive electrical architectures. It is suitable for protection in harnesses and control circuits within 12–14 V systems common in passenger cars, trucks, and mobile equipment.
Comprehensive resources include Eaton’s specification sheet, Bussmann catalogs, full-line catalogs, and planograms. You can also access the Fuseology multimedia content. These documents support correct selection, installation, and maintenance planning.
The BK/CB211-15 delivers reliable overcurrent protection in a compact footprint, enabling space-efficient panel designs and faster assembly. Its 150 AIC rating helps prevent harness damage from faults, reducing downtime and warranty costs while supporting bulk procurement and standardized supply chains.