Eaton CBT-20M automotive circuit breaker - RoHS Compliant
Part Number: CBT-20M
Quick Summary
Eaton CBT-20M automotive circuit breaker protects vehicle electrical circuits within harness assemblies. Its core function is overcurrent protection for automotive loads, ensuring wiring stays safe in demanding environments. Engineers face space constraints and unreliable protection in compact panels, and the CBT-20M helps address those pain points with a compact footprint and dependable performance. RoHS compliance is confirmed by the vendor, and additional certifications can be provided by the manufacturer on request, enabling broader regulatory alignment. This solution also supports fast installation, inventory simplicity, and consistent protection across automotive electrical systems, delivering measurable business value through reduced downtime, easier serviceability, and safer, longer-lasting equipment.
Product Information
Extended Description
CBT-20M Eaton: Eaton Bussmann series C.B.T-M automotive circuit breaker, 20A, Type II
Product Name
Eaton Bussmann series CBT-M automotive circuit breaker
Catalog Number
CBT-20M
UPC
051712600996
Product Length/Depth
0.55 in
Product Height
0.52 in
Product Width
1.7 in
Product Weight
0.18 lb
Compliances
Contact factory RoHS Compliant
Certifications
Contact Manufacturer
Amperage Rating
20 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-20M
Feature: 20 A amperage rating with Type II trip characteristic provides precise overcurrent protection for automotive circuits. Business Impact: Reduces insulation damage and electrical fire risk while enabling predictable protection profiles for critical loads. Application: Ideal for automotive harness protection in power-distribution circuits where fast, reliable tripping is essential. Feature: Compact footprint (0.55 in depth, 0.52 in height, 1.7 in width) and light weight (0.18 lb) enable installation in crowded automotive panels. Business Impact: Frees panel space, lowers weight in vehicle assemblies, and simplifies retrofit work. Application: Suitable for compact fuse blocks and tight engine compartments where space is at a premium. Feature: RoHS compliant compliance status. Business Impact: Supports regulatory alignment and sustainability goals across automotive supply chains. Application: Meets environmental requirements for modern vehicle electronics and aftermarket installs. Feature: Compatibility with the Bussmann CBT-M family simplifies stocking and serviceability. Business Impact: Reduces training needs and accelerates field replacements, cutting downtime. Application: Broadly usable across multiple automotive circuits and harnesses for standard protection. Feature: Comprehensive specification availability (datasheets and planograms) supports engineering validation and compliance. Business Impact: Improves accuracy during design reviews and procurement, lowering project risk. Application: Useful for system integrators confirming part compatibility during integration and service planning.
Get a Quick Quote for a Eaton CBT-20M
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton CBT-20M?
Enquire Now
FAQs
CBT-20M fits in compact automotive panels with a depth of 0.55 in, height 0.52 in, and width 1.7 in, weighing 0.18 lb. Plan for available space near the harness, ensure panel mounting clearance, and reference Eaton datasheets for mounting orientation and terminal access to simplify field replacements.
CBT-20M provides a 20 A amperage rating with a Type II trip characteristic. It is RoHS compliant and designed for automotive circuit protection. Its compact form factor supports installation in tight harness layouts while delivering reliable protection against overcurrent events.
Yes. The 20 A rating and compact dimensions (0.55 in D, 0.52 in H, 1.7 in W) are optimized for tight automotive harness environments, enabling reliable protection without occupying excessive panel space and facilitating quicker serviceability in the field.
CBT-20M is RoHS compliant per supplier and carries manufacturer certifications as listed by Eaton. For additional certifications beyond RoHS, contact Eaton; they can provide the relevant documentation to support automotive regulatory requirements and customer-specific approvals.
Using CBT-20M reduces downtime from overcurrent events, minimizes wiring damage, and simplifies spare-part inventory with a common CBT-M family. Its compact size and reliable Type II protection translate to easier assembly, faster field replacements, and predictable maintenance costs for automotive electronics programs.