Eaton CBC-35B Automotive Circuit Breaker - 1.5 kAIC
Part Number: CBC-35B
Quick Summary
CBC-35B automotive circuit breaker from Eaton protects vehicle electrical systems by interrupting fault currents. Engineers often contend with shorts, arcing, and costly downtime; CBC-35B delivers fast, reliable protection with a 1.5 kAIC interrupt rating and a 14 Vdc operating range. Compliance notes indicate 'Contact factory' for exact certifications; regional standards such as automotive safety, electrical protection, and labeling typically apply. The rugged CBC-B design, 10-32 TPI stud connection, and compact footprint integrate easily with existing Eaton Bussmann components, reducing installation time while improving system reliability. This combination supports OEM and aftermarket programs seeking durable, easy-to-service protection for 14 V automotive networks.
Product Information
Extended Description
CBC-35B Eaton: Eaton Bussmann series CBC-B automotive circuit breaker, 14 Vdc, 35 A, 1.5 kAIC, Type I, 10-32 TPI stud
Product Name
Eaton Bussmann series CBC-B automotive circuit breaker
Catalog Number
CBC-35B
UPC
051712271226
Product Length/Depth
14.75 in
Product Height
7.5 in
Product Width
9.25 in
Product Weight
0.5 lb
Compliances
Contact factory
Amperage Rating
35 A
Interrupt rating
1.5 kAIC
Voltage rating
14 Vdc
Connection
#10-32 TPI stud
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Eaton Specification Sheet - CBC-35B
Feature 14 Vdc automotive rating enables direct integration with typical 12 to 14-volt automotive networks. Business Impact This alignment eliminates voltage compatibility issues and simplifies protection design, reducing engineering time and integration risk. Application On-board power distribution blocks and harness protection in light- to mid-duty vehicles. Feature 1.5 kAIC interrupt rating provides fast fault clearing, protecting wiring and components from damaging arcing. Business Impact Short-circuit energy is quickly removed, extending harness life and lowering downstream repair costs. Application Motor controllers and critical circuits within automotive power distributions. Feature #10-32 TPI stud connection delivers a robust mechanical interface that resists vibration-induced loosening. Business Impact Reliable electrical connection under harsh conditions lowers maintenance frequency and field service time. Application OEM harness assemblies and under-hood protection modules. Feature Type I characteristics establish predictable tripping behavior within multi-circuit protection schemes. Business Impact Improves selectivity and reduces nuisance trips in complex automotive networks. Application Multi-circuit protection layouts and upgrade paths to CBC-B family blocks. Feature Compact footprint and weight (14.75 in L, 9.25 in W, 7.5 in H; 0.5 lb) enable easier integration in space-constrained enclosures. Business Impact Simplified retrofits and OEM installations with minimal enclosure changes. Application Retrofit projects and new builds where enclosure real estate is limited. Note Compliances: Contact factory for exact regulatory certifications; regional requirements may vary, making engineering validation essential.
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FAQs
CBC-35B is designed for 14 Vdc automotive networks and uses a rugged #10-32 TPI stud connection for a secure, vibration-resistant mounting. It fits in wiring harness blocks and vehicle protection assemblies within standard 14 V automotive architectures. For installation, reference Eaton's installation guidelines and the CBC-B family compatibility notes; ensure proper clearance, strain relief, and secure stud torque per manufacturer recommendations.
Key specs include a 35 A amperage rating, 1.5 kAIC interrupt rating, and a 14 Vdc voltage rating. The unit uses a Type I tripping characteristic and a #10-32 TPI stud connection, delivering reliable overcurrent protection for automotive power circuits while withstanding vehicle vibration and environmental conditions.
CBC-35B is well-suited for on-board vehicle power distribution, protection blocks, and OEM harnesses in 14 V electrical systems. It supports retrofits in automotive upgrades and can be integrated with Eaton Bussmann CBC-B components to enhance protection in engine bays, chassis electrical subsystems, and critical load circuits where short-circuit resilience is essential.
Compliance for the CBC-35B is listed as 'Contact factory.' Regional regulatory requirements may include automotive safety and electrical protection standards. For definitive certifications, consult Eaton’s official CBC-35B datasheet and request current compliance documentation from Eaton’s technical support or your distributor partner.
The CBC-35B provides durable overcurrent protection with a robust 1.5 kAIC rating and rugged 10-32 stud connection, reducing field failures and maintenance visits. Although initial cost is higher than basic fuses, the reliability and reduced downtime translate to lower total cost of ownership in fleet or OEM programs, improving uptime and service intervals over the product lifecycle.