Eaton CB185-30 Automotive Circuit Breaker - 3 kAIC Waterproof
Part Number: CB185-30
Quick Summary
CB185-30 automotive circuit breaker protects 48 Vdc systems for automotive and industrial equipment. Engineers often face water exposure, vibration, and downtime in harsh vehicle environments, making reliable protection essential. The device offers RoHS compliance, and Eaton provides specification detail; note that published RoHS compliance is listed, with no public SIL, CE, or IP certifications shown. With a compact, flush-mount design and a 30 A rating, it balances protection with space in tight panels. The switchable feature supports service and diagnostics without disassembly, enabling faster maintenance and reduced vehicle downtime. This combination of rugged performance and straightforward installation translates to lower lifecycle costs and improved system reliability.
Product Information
Extended Description
CB185-30 Eaton: Eaton Bussmann series C.B.185 automotive circuit breaker, Switchable, 48 Vdc, 30A, 3 kAIC, Type III, High amp, Waterproof
Product Name
Eaton Bussmann series CB185 automotive circuit breaker
Catalog Number
CB185-30
UPC
051712502085
Product Length/Depth
1.9 in
Product Height
2.9 in
Product Width
1.68 in
Product Weight
0.23 lb
Compliances
Contact factory RoHS Compliant
Amperage Rating
30 A
Interrupt rating
3 kAIC
Voltage rating
48 Vdc
Material
Waterproof
Packaging Type
Standard
Mounting Method
Flush
Special features
Switchable
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 - CB185-30
Feature: 48 Vdc, 30 A, 3 kAIC, Switchable, Type III, Waterproof. Business Impact: Delivers robust DC overcurrent protection in vehicle environments, minimizing electrical faults and warranty costs. Application: Suitable for 48 Vdc automotive circuits and rugged equipment fleets. The combination of high interrupt rating and water-resistant design supports reliable operation in wet, vibrotive conditions. Long-tail keywords: 48 Vdc automotive circuit breaker, 3 kAIC interrupt rating, waterproof DC breaker, Type III switchable, Bussmann CB185-30 compatibility.Feature: Flush mounting. Business Impact: Facilitates clean panel integration, reduces enclosure depth, and simplifies retrofits. Application: Ideal for tight automotive and industrial electrical enclosures where space is at a premium. Long-tail keywords: flush mounting circuit breaker, panel space optimization, Bussmann flush mount compatibility.Feature: Compact dimensions and weight. Business Impact: Improves cargo and equipment mounting flexibility while maintaining protection, enabling design consolidation and fewer accessory parts. Application: Compact DC protection for dashboards, control panels, and battery management modules. Long-tail keywords: compact automotive breaker, small footprint DC protection, 1.9 in depth and 2.9 in height.Feature: RoHS compliance. Business Impact: Reduces regulatory risk and simplifies supply chain compliance for global deployments. Application: Meets RoHS requirements across automotive and industrial applications. Long-tail keywords: RoHS compliant circuit breaker, regulatory compliance, eco-friendly electrical components.Feature: Switchable functionality. Business Impact: Enables effortless maintenance checks and service without disassembly, limiting system downtime. Application: Diagnostic testing in fleets and equipment maintenance programs. Long-tail keywords: switchable circuit breaker, service-friendly protection, Eaton Bussmann CB185-30 features.Collectively, CB185-30 delivers dependable DC protection with installation simplicity, regulatory alignment, and lifecycle efficiency for harsh automotive and industrial environments.
Get a Quick Quote for a Eaton CB185-30
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 CB185-30?
Enquire Now
FAQs
CB185-30 is designed for flush mounting, enabling seamless panel integration in Bussmann series environments. It fits standard automotive electrical panels and enclosures, offering straightforward replacement with existing CB185-30 form factors. The unit supports 48 Vdc circuits up to 30 A and aligns with common automotive wiring practices, reducing installation time and potential wiring errors.
CB185-30 provides a 30 A amperage rating, a 3 kAIC interrupt rating, and a 48 Vdc voltage rating. These specifications indicate robust protection for DC circuits typical in automotive and industrial applications, including short-circuit events. The 3 kAIC figure offers strong fault current interruption while the 48 Vdc rating ensures safe performance within commercial vehicle electrical systems.
Yes. The CB185-30 is designed for harsh vehicle environments, featuring a waterproof housing and a switchable function for easy diagnostics. Its 48 Vdc, 30 A rating with a 3 kAIC interrupt capability makes it suitable for DC circuits in automotive fleets and off-road equipment where moisture and vibration are common.
CB185-30 lists RoHS compliance, supporting regulatory requirements for many global markets. There are no publicly listed SIL, CE, or IP certifications in the provided data; for formal confirmation on additional certifications, consult Eaton’s technical support or the product page. RoHS compliance helps streamline compliant designs across diverse regions.
Leverage the switchable feature to perform quick functional checks without disassembly, reducing maintenance time and panel downtime. Its flush mounting and compact footprint simplify panel upgrades, while RoHS compliance supports ongoing regulatory alignment. With a 30 A rating and 3 kAIC interrupt capability, it provides durable protection that lowers replacement costs and improves system availability.