Eaton CBT-25N Automotive Circuit Breaker - Type II
Part Number: CBT-25N
Quick Summary
CBT-25N automotive circuit breaker protects vehicle electrical circuits in harnesses and control modules. Engineers often struggle with nuisance trips and cramped enclosures in modern vehicle electronics. RoHS compliant with certification details available from Eaton, additional certifications provided on request. This compact protection device supports cost‑effective panel design and reliable system protection, enabling OEMs and service providers to simplify procurement while maintaining high safety and compliance standards.
Product Information
Extended Description
CBT-25N Eaton: Eaton Bussmann series C.B.T-N automotive circuit breaker, 25A, Type II
Product Name
Eaton Bussmann series CBT-N automotive circuit breaker
Catalog Number
CBT-25N
UPC
051712601054
Product Length/Depth
1.5 in
Product Height
0.35 in
Product Width
1 in
Product Weight
0.5 lb
Compliances
Contact factory RoHS Compliant
Certifications
Contact Manufacturer
Amperage Rating
25 A
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 - CBT-25N
Feature: 25 A amperage rating and Type II trip characteristics provide targeted overcurrent protection for automotive loads. Business Impact: reduces risk of insulation damage and downstream component failures, lowering warranty costs. Application: protects harnesses, lighting circuits, and control modules in passenger cars and commercial vehicles. Feature: Compact dimensions (1.5 in L Ă— 1 in W Ă— 0.35 in H) enable installation in tight automotive enclosures. Business Impact: enables denser panel layouts and faster assembly, reducing mounting complications. Application: dashboards, fuse panels, and center console protection. Feature: Lightweight design at 0.5 lb minimizes added weight in the harness and enclosure. Business Impact: supports lightweight vehicle programs and fuel efficiency targets. Application: portable and integrated protection devices in diverse vehicle lines. Feature: RoHS compliance simplifies regulatory alignment and waste handling. Business Impact: lowers compliance risk and material costs across manufacturing and service operations. Application: any automotive electronics program needing responsible material usage. Feature: Clear documentation and OEM-ready integration through catalog number CBT-25N, UPC 051712601054, and Eaton specification materials. Business Impact: streamlines procurement, traceability, and after-market support. Application: OEM design-in, system integration, and field service.
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FAQs
To install CBT-25N, verify the panel cutout matches the device footprint, mount the breaker securely, and connect the input/output terminals according to the Eaton CBT-25N specification sheet. Use proper torque and follow the vehicle’s electrical harness routing to avoid strain. Refer to the Eaton documentation for installation guidelines and safety precautions.
CBT-25N is a 25 A amperage-rated automotive circuit breaker with a Type II trip characteristic. Its compact 1.5 in length, 1 in width, and 0.35 in height fit automotive panels, and it weighs about 0.5 lb. The UPC is 051712601054, and it is RoHS compliant. These specs support reliable protection for vehicle electrical loads while enabling straightforward sourcing.
Yes. The CBT-25N is designed for automotive harness protection and control module circuits up to 25 A. Its Type II trip curve provides predictable protection for automotive loads, and its compact footprint makes it suitable for crowded vehicle enclosures found in commercial fleets and work vehicles.
CBT-25N is RoHS compliant, with additional certifications available from the manufacturer upon request. Official documentation includes the Eaton Specification Sheet CBT-25N and Bussmann series catalogs, which cover installation details, compatibility, and procurement guidance. Contact Eaton for full certification details not listed in the public spec.
Key documents include the CBT-25N specification sheet, Bussmann series catalog no. 1007, and the 4-foot automotive planogram no. 10730. The UPC 051712601054 facilitates quick ordering, and the official Eaton materials provide installation, wiring, and replacement guidance for ongoing maintenance and lifecycle planning.