Eaton CBT-15N Automotive Circuit Breaker - RoHS Compliant
Part Number: CBT-15N
Quick Summary
The Eaton CBT-15N automotive circuit breaker is a compact protective device designed for automotive electrical harnesses and power circuits. Engineers often struggle with reliable short-circuit protection in tight-engine bays where space is premium and uptime matters. RoHS compliant with manufacturer certifications, the CBT-15N aligns with common industry expectations; exact certifications are available from Eaton. Its 15 A Type II breaker design delivers dependable automotive protection, while small form factors simplify harness routing for Navistar and similar applications. This combination supports better protection, reduced downtime, and streamlined procurement for OEMs and service shops while ensuring Bussmann series compatibility. Designed for automotive fleets and repair environments, CBT-15N is a practical, standards-aligned choice.
Product Information
Extended Description
CBT-15N Eaton: Eaton Bussmann series C.B.T-N automotive circuit breaker, 15A, Type II
Product Name
Eaton Bussmann series CBT-N automotive circuit breaker
Catalog Number
CBT-15N
UPC
051712601030
Product Length/Depth
6.14 in
Product Height
2.77 in
Product Width
2.26 in
Product Weight
0.25 lb
Compliances
RoHS Compliant Contact factory
Certifications
Contact Manufacturer
Amperage Rating
15 A
Bussmann series 4-foot automotive planogram no.10730
CBT-15N~TYPE 2 BREAKER - NAVISTAR TRUCKS -15 AMP
CBT-15N~TYPE 2 BREAKER - NAVISTAR TRUCKS -15 AMP
Bussmann series Fuseology
Eaton Specification Sheet - CBT-15N
Feature: 15 A amperage rating provides targeted protection for typical automotive circuits; Business Impact: minimizes nuisance trips and protects wiring from heat damage; Application: 12 V systems in light and medium duty vehicles. This rating helps prevent insulation failure and reduces in-vehicle fire risk, improving overall vehicle reliability across fleets. Feature: Type II interrupting capacity enhances fault isolation under heavy load conditions; Business Impact: reduces risk of collateral damage and improves system reliability; Application: protection in rugged engine compartments and load-sharing circuits. In practice, this means easier integration with high-draw components like starters and power distributors. Feature: RoHS compliant materials support regulatory compliance; Business Impact: speeds supplier approvals and reduces environmental risk; Application: OEM sourcing and cross-border procurement. RoHS alignment also supports sustainability reporting and supply chain governance. Feature: Compact form factor and measurement 6.14 in L x 2.77 in H x 2.26 in W; Business Impact: easier harness routing and enclosure fit; Application: Navistar truck wiring and tight electrical bays. The small footprint enables cleaner installations in crowded OEM harnesses. Feature: Bussmann series compatibility ensures easy replacement and standardization; Business Impact: lowers maintenance time and parts diversity; Application: fleet service and aftermarket repair. Ensuring availability with Eaton’s Bussmann channel reduces stocking complexity and serviceLead times. Designed for automotive fleets and repair environments, CBT-15N is a practical, standards-aligned choice.
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FAQs
To install CBT-15N, connect the protected circuit in series with the load using appropriate conductor size and secure terminal connections. Verify the circuit current does not exceed 15 A, and mount the device in a location with adequate cooling and ventilation. Use proper torque on terminals and perform a functional check after installation.
CBT-15N provides robust overcurrent protection in a compact, Type II design ideal for tight engine compartments found in Navistar trucks. Its 6.14 in length and 0.25 lb weight help with harness routing, while the 15 A rating protects critical circuits from short circuits, reducing downtime and maintenance costs in heavy-duty fleet operations.
Yes, the CBT-15N is RoHS compliant. Certifications beyond RoHS are listed as Contact Manufacturer; for project-specific qualification, request Eaton documentation to confirm conformance with regional standards and supplier requirements.
CBT-15N is well suited for automotive harness protection in 12V electrical networks, including auxiliary power circuits, lighting, and accessory loads. Its 15 A rating and Type II interrupting capacity support reliable fault isolation, enabling safer operations in fleet vehicles and service environments requiring quick, dependable protection.
Using CBT-15N can lower maintenance costs by reducing wiring damage from overcurrent events and decreasing downtime due to failed protection. Its compact form and standard Bussmann series compatibility streamline stocking, replacement, and service workflows, contributing to improved fleet uptime and streamlined procurement processes.