Eaton BK/CB181F-100 Automotive Circuit Breaker - Waterproof
Part Number: BK/CB181F-100
Quick Summary
Eaton automotive circuit breaker BK/CB181F-100 protects automotive electrical circuits from overloads in harsh environments. This device helps prevent unplanned downtime by interrupting current before damage occurs. With RoHS compliance and waterproof construction, it is designed to endure moisture, dirt, and vibration common in automotive and off-road applications. The 100 A rating aligns with standard protection needs while the flush mounting keeps panels compact and organized. For procurement teams, standard packaging and SEMS-nut compatibility simplify stocking and installation, delivering reliable field performance and reducing maintenance costs without compromising safety.
Product Information
Extended Description
BK/CB181F-100 Eaton: Eaton Bussmann series C.B.181F automotive circuit breaker, 100A, Type I, Waterproof
Product Name
Eaton Bussmann series CB181F automotive circuit breaker
Catalog Number
BK/CB181F-100
UPC
051712846646
Product Length/Depth
3.6 in
Product Height
2 in
Product Width
3.1 in
Product Weight
0.5 lb
Compliances
RoHS Compliant Contact factory
Amperage Rating
100 A
Material
Waterproof
Packaging Type
Standard
Mounting Method
Flush
Quantity
6
Used with
SEMS nuts
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Eaton Specification Sheet - BK/CB181F-100
Feature → Business Impact → Application: 100 A amperage rating provides robust overcurrent protection, reducing fuse-hailure risk and protecting critical loads in vehicular wiring harnesses; practical for high-load automotive circuits. Application: Use in trucks, SUVs, and off-road equipment to minimize downtime and component damage. Feature → Business Impact → Application: Waterproof housing extends service life in wet or dusty environments, decreasing replacement cycles and warranty costs; ideal for exposed automotive locations. Application: Engine bays, under-vehicle connectors, and exterior-mounted protection points where moisture is a concern. Feature → Business Impact → Application: Flush mounting offers space-efficient installation with cleaner panel aesthetics and easier maintenance checks; reduces panel footprint. Application: Retrofit into existing enclosures or new builds with minimal clearance conflicts. Feature → Business Impact → Application: RoHS compliant design ensures regulatory alignment across global markets, simplifying procurement and compliance workflows. Application: International fleet deployments requiring environmental and material stewardship. Feature → Business Impact → Application: SEMS-nut compatibility and standard packaging streamline field installation and stocking, shortening install times and training requirements. Application: Routine servicing and scalable deployments across multiple sites with consistent hardware.
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FAQs
BK/CB181F-100 is designed for flush mounting using standard SEMS nuts, supporting clean panel integration. Its compact 3.6 x 3.1 x 2 inch footprint fits tight enclosures, and the standard packaging (6 per order) simplifies stocking for mixed vehicle platforms and service fleets.
Key specs include a 100 A amperage rating and Type I circuit protection. The unit weighs 0.5 lb and measures 3.6 in in length, 3.1 in in width, and 2 in in height, with a RoHS-compliant construction suitable for vehicle electrical systems.
Yes, the BK/CB181F-100 is RoHS compliant, supporting global regulatory requirements. While it is designed for automotive use and waterproof operation, verify any additional regional certifications needed for your specific fleet or market before deployment.
It shines in automotive wiring harness protection, off-road and commercial vehicle circuits, and any environment with moisture exposure. Its waterproof construction and compact flush-mount design make it ideal for engine bays, chassis panels, and external protection points.
The breaker’s compatibility with SEMS nuts, standard packaging, and flush mounting reduces install time and training needs, while robust overcurrent protection minimizes unplanned downtime and replacement costs, delivering a favorable total cost of ownership for fleets and repair shops.