Eaton BK/CB211-7-1/2 automotive circuit breaker Type I ATM
Part Number: BK/CB211-7-1/2
Quick Summary
The Eaton BK/CB211-7-1/2 automotive circuit breaker provides reliable overcurrent protection for DC automotive circuits. OEMs and fleets often face downtime when protection is misapplied or difficult to install in compact harnesses. Compliances are listed as Contact factory, but in automotive applications you frequently encounter CE and UL requirements and IP-rating considerations; verify with Eaton for your project. This CB211 device delivers 14 Vdc operation, 7-1/2 A rating, and 150 AIC interrupt rating with a Type I ATM footprint, enabling straightforward integration in OEM modules and standardized spare parts within Bussmann-series offerings.
Product Information
Extended Description
BK/CB211-7-1/2 Eaton: Eaton Bussmann series CB211 automotive circuit breaker, Packaging quantity 100, 14 Vdc, 7-1/2 A, 150 AIC, Type I ATM footprint
Product Name
Eaton Bussmann series CB211 automotive circuit breaker
Catalog Number
BK/CB211-7-1/2
UPC
051712846738
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
7-1/2A
Interrupt rating
150 AIC
Voltage rating
14 Vdc
Quantity
6
Special features
Packaging quantity 100
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Eaton Specification Sheet - BK/CB211-7-1/2
Footprint and mounting: The Type I ATM footprint simplifies field replacement and panel integration, reducing installation time and warranty fixes in dense automotive harness assemblies. This translates to lower labor costs and faster serviceability in OEM modules and service fleets. Application: Ideal for compact harness environments and control boxes in automotive DC power networks, where quick swaps minimize downtime and maintain system availability. Electrical ratings: With a 14 Vdc operating voltage, 7-1/2 A continuous rating, and a 150 AIC interrupt rating, it delivers reliable protection against short circuits and arcing, reducing ECU and sensor damage and improving overall system reliability. Business impact: Fewer failed assets, extended component life, and lower warranty risk in critical vehicle subsystems. Application: Suitable for battery lines, ignition circuits, and trunk DC power distribution where space and performance matter. Dimensions and weight: At 0.49 in depth, 0.25 in height, 1.42 in width, and 0.1 lb, it fits tight enclosures without adding bulk. Business impact: Higher density installations and easier inventory planning for OEMs and distributors. Application: Automotive modules and compact control enclosures where space efficiency is mandatory. Packaging and compliance: Packaging quantity 100 supports efficient stocking and quick repackaging for service centers; UPC 051712846738 ensures traceability. Compliance notes: Compliances are listed as Contact factory; verify specifications for CE/UL/IP requirements in your region. Real-world insight: The CB211 line is designed for interchangeability with Bussmann-series components, enabling standardized spares and streamlined procurement for automotive manufacturers and Tier suppliers.
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FAQs
Ensure the panel or harness matches the Type I ATM footprint and uses standard automotive connectors. Check mounting clearances and follow Eaton's installation guidelines to minimize harness interference and ensure reliable release under fault conditions.
The breaker operates at 14 Vdc with a continuous amperage rating of 7-1/2 A and provides a 150 AIC interrupt rating, suitable for rapid disconnection in automotive short-circuit events.
Yes. With 14 Vdc operation and a 150 AIC interrupt rating, it is well-suited for protecting battery lines, ignition circuits, and DC power distribution within compact automotive harness assemblies.
Compliances are listed as 'Contact factory' for this part. In automotive applications, verify CE, UL, and any IP-related requirements with Eaton to ensure the part meets regional regulatory standards.
The common Type I ATM footprint and Bussmann-series compatibility enable easy interchangeability and standardized spares, reducing inventory complexity and maintenance downtime while improving fleet uptime and service efficiency.