Eaton CBC-50 Automotive Circuit Breaker - 1.5 kAIC
Part Number: CBC-50
Quick Summary
CBC-50 automotive circuit breaker from Eaton protects vehicle electrical circuits against overloads and faults. Engineers often face nuisance trips and unplanned downtime when power demands spike or wiring damages occur. In regulated environments, certifications such as CE, IP ratings, and SIL are commonly required; check with Eaton for the CBC-50’s exact approvals in your market. This device delivers reliable, compact DC protection that simplifies panel design and maintenance while reducing wiring complexity and total cost of ownership. Designed for 10-32 stud mounting, it fits in compact automotive panels and service boxes. It offers 14 Vdc, 50 A, and 1.5 kAIC interrupt performance to meet typical automotive protection needs.
Product Information
Extended Description
CBC-50 Eaton: Eaton Bussmann series CBC automotive circuit breaker, 14 Vdc, 50 A, 1.5 kAIC, Type I, 10-32 TPI stud
Product Name
Eaton Bussmann series CBC automotive circuit breaker
Catalog Number
CBC-50
UPC
051712271042
Product Length/Depth
1.25 in
Product Height
1.25 in
Product Width
0.75 in
Product Weight
0.05 lb
Compliances
Contact factory
Amperage Rating
50 A
Interrupt rating
1.5 kAIC
Voltage rating
14 Vdc
Connection
#10-32 TPI stud
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Eaton Specification Sheet - CBC-50
Feature: 14 Vdc, 50 A rating with 1.5 kAIC interrupt capability. Business Impact: Provides robust DC protection for critical vehicle power distribution, reducing risk of wire insulation damage and electrical fires. Application: Automotive power rails, control modules, and harness branches where quick interruption is essential. Long-tail keywords: automotive DC protection, 14 Vdc circuit protection, 50 A automotive breaker. Feature: Type I trip characteristic. Business Impact: Delivers predictable protection with fast response to short circuits, minimizing collateral damage and downtime. Application: Vehicle harness protection in demanding environments. Long-tail keywords: Type I trip automotive breaker, reliable trip curves, DC short-circuit protection. Feature: Compact dimensions and light weight (1.25 in length, 1.25 in height, 0.75 in width; ~0.05 lb). Business Impact: Space-saving design enables easier integration into crowded automotive panels and service boxes, improving serviceability and reducing weight. Application: Engine compartments, dashboard panels, and under-dash harnesses. Long-tail keywords: space-saving circuit breaker, compact automotive protection, lightweight DC protection. Feature: Connection via #10-32 TPI stud. Business Impact: Simple, robust mounting and wiring with a common automotive hardware standard; speeds installation and reduces ballast. Application: Panel boards and harness junctions with threaded stud connections. Long-tail keywords: stud mounting connections, #10-32 TPI stud, automotive panel mounting. Feature: Compliance approach: contact factory for certs. Business Impact: Ensures buyers obtain region-specific approvals and documentation for regulatory compliance. Application: Markets requiring CE, IP, or SIL certifications as applicable. Long-tail keywords: market-specific approvals, CE certification availability, regulatory compliance for automotive protection.
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FAQs
CBC-50 uses a #10-32 TPI stud connection for mounting. Install in an appropriate automotive panel or enclosure with clearances, connect the supply and load conductors to the stud terminals, and ensure proper engagement and isolation. The compact 1.25 in by 1.25 in footprint helps keep harness routing tidy, which reduces installation time and potential wiring errors.
CBC-50 is rated for 14 Vdc, 50 A continuous current with a 1.5 kAIC interrupt rating. It features Type I trip characteristics, providing predictable protection against short circuits in DC automotive circuits. This combination is well-suited for automotive power distribution and protective interlocks in vehicle electrical systems.
CBC-50 is ideal for automotive power distribution and harness protection, including control panels and DC circuits in fleet vehicles and off-road equipment. Its 14 Vdc, 50 A rating supports mid-range automotive branches, while the compact form factor simplifies integration in space-constrained panels.
Compliances for CBC-50 are listed as Contact factory; regional approvals such as CE or IP ratings may be available depending on market. Always confirm the exact certifications with Eaton for your geography to ensure regulatory compliance and documentation for your automotive program.
The CBC-50 provides rugged, low-maintenance DC protection with a compact footprint, reducing space and weight in panels. Fewer nuisance trips and easier replacement contribute to lower downtime and faster service, delivering a favorable total cost of ownership for automotive electrical protection in busy service environments.