Eaton CB234-25 Automotive Circuit Breaker - Low-Profile 300 AIC

Part Number: CB234-25
Manufacturer
Eaton
Part number
CB234-25

Quick Summary

Eaton CB234-25 automotive circuit breaker protects automotive circuits by interrupting faults quickly. In cramped vehicle panels, space and reliability are critical, and the CB234-25’s low-profile plug-in form helps technicians install and maintain protection without crowding harnesses. The device is SAE J1625 and RoHS compliant, aligning with automotive industry safety and environmental standards. With compact 25 A protection and a 300 AIC interrupt rating, it delivers dependable circuit protection while reducing maintenance downtime. This combination of performance and ease of installation adds value for OE builds and fleet upfits, supporting efficient assembly, safer serviceability, and predictable total cost of ownership.

Product Information

Extended Description

CB234-25 Eaton: Eaton Bussmann series C.B.234 automotive circuit breaker, Low profile, 25A, 300 AIC, Plug In
Product Name
Eaton Bussmann series CB234 automotive circuit breaker
Catalog Number
CB234-25
UPC
051712698528
Product Length/Depth
0.03 m
Product Height
0.01 m
Product Width
0.01 m
Product Weight
0.45 g
Warranty
Not Applicable
Compliances
SAE J1625 RoHS Compliant
Amperage Rating
25 A
Interrupt rating
300 AIC
Packaging Type
Standard
Connection
Plug in
Special features
Low profile
Feature → Low-profile, plug-in design reduces panel depth and simplifies installation. Business Impact → Frees space in crowded automotive enclosures and minimizes harness routing challenges, cutting assembly time by reducing wiring complexity. Application → Ideal for engine compartments, dashboard panels, and compact fuse blocks where space is at a premium. Feature → 25 A amperage rating paired with a 300 AIC interrupt rating. Business Impact → Provides targeted protection for circuits while ensuring safe fault interruption under high fault currents, reducing risk of wiring damage. Application → Suitable for auxiliary power feeds, lighting circuits, and sensor networks in passenger vehicles and light-duty fleets. Feature → Plug-in connection and standard packaging. Business Impact → Eliminates the need for special mounting hardware and supports fast field replacement during maintenance or repairs. Application → Commonly deployed in OEM assemblies and service bays where quick swap-outs are valuable. Feature → RoHS and SAE J1625 compliance. Business Impact → Guarantees regulatory alignment and environmental safety across automotive supply chains, easing procurement and QA audits. Application → Required by many automotive standards for electrical protection devices, making CB234-25 a reliable choice for regulated programs. Feature → Compatibility with Bussmann CB234 family and light weight (0.45 g). Business Impact → Improves inventory planning and reduces added weight in vehicle harnesses, supporting overall vehicle efficiency. Application → Fits into existing Bussmann protection device families and builds for both new designs and retrofits. Feature → Ultra-compact dimensions (0.03 m length, 0.01 m width, 0.01 m height). Business Impact → Minimizes installation clearance issues and supports compact module design. Application → Particularly valuable in space-constrained electronic control units and control panels.

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FAQs

The CB234-25 uses a plug-in connection for direct insertion into compatible automotive protection panels. Its low-profile footprint (0.03 m length, 0.01 m height and width) minimizes panel intrusion and simplifies harness routing, enabling faster field replacements without additional mounting hardware or tools.
The 25 A rating protects circuits up to 25 amps, while the 300 AIC interrupt rating indicates the device can safely interrupt fault currents up to 300 amperes. Together they deliver reliable protection for typical automotive power feeds while preventing excessive arc energy and wiring damage during faults.
Yes. The CB234-25 is SAE J1625 compliant and RoHS compliant, meeting common automotive electrical safety and environmental requirements. This makes it suitable for regulated vehicle programs and fleet deployments where standardization and sustainability matter.
Key differentiators include its 25 A protection level, 300 AIC interrupt rating, low-profile plug-in design, and BASICS in the Bussmann CB234 line. These features enable space-saving installation, rapid field replacement, and robust protection for compact automotive circuits in both new designs and retrofits.
The CB234-25 carries a Not Applicable warranty designation in the data, so routine maintenance focuses on verifying proper plug-in seating and inspecting for signs of wear or heat in high-use applications. Regular checks during fleet servicing help ensure continued protection alignment with SAE J1625 and RoHS standards.