Eaton CB285P-70 circuit breaker - RoHS Compliant
Part Number: CB285P-70
Quick Summary
CB285P-70 marine rated circuit breaker provides 48 V DC protection for marine and automotive systems. Engineers often struggle with waterproofing, high-current demands, and rapid isolation in harsh environments. RoHS compliance is noted by the factory, with marine waterproof design and a 70 A, 3 kAIC rating that supports reliable protection across demanding conditions; additional approvals such as CE or IP may be available on request. This combination delivers dependable DC protection with easy panel-mount integration, helping reduce downtime and enable scalable, compliant system design for offshore, RV, and industrial vehicle applications.
Product Information
Extended Description
CB285P-70 Eaton: Eaton Bussmann series C.B.285P marine rated circuit breaker, Switchable, 48 Vdc, 70A, 3 kAIC, Automotive, Type III, High amp, Single-pole, Waterproof
Product Name
Eaton Bussmann series CB285P marine rated circuit breaker
Catalog Number
CB285P-70
UPC
051712741422
Product Length/Depth
1.9 in
Product Height
2.91 in
Product Width
1.77 in
Product Weight
0.175 lb
Compliances
Contact factory RoHS Compliant
Amperage Rating
70A
Interrupt rating
3 kAIC
Voltage rating
48 Vdc
Material
Waterproof
Number of poles
Single-pole
Packaging Type
Standard
Mounting Method
Panel
Special features
Switchable
Bussmann series full line retail catalog no. 5084
Bussmann series full line retail catalog no. 5084
Bussmann series Fuseology
Eaton Specification Sheet - CB285P-70
Feature: 70 A amperage rating with 3 kAIC interrupt rating → Business Impact: Robust overcurrent protection for high-demand DC circuits reduces fuse-related failures and downtime → Application: Marine and automotive power distribution where peak loads occur. Feature: Single-pole, switchable design → Business Impact: Quick isolation and safer maintenance without powering down adjacent circuits → Application: Engine compartments and accessory circuits needing fast, selective disconnection. Feature: 48 Vdc voltage rating → Business Impact: Compatibility with modern battery-based systems and shore power architectures → Application: Boats, RVs, and off-grid installations. Feature: Waterproof housing and panel mounting → Business Impact: Durable, corrosion-resistant protection in wet environments plus straightforward integration into control panels → Application: Dockside systems, electrical panels in cabins, and exterior-mounted power rails. Feature: RoHS compliant, factory-supported certifications → Business Impact: Streamlined compliance processes and reduced regulatory risk → Application: Global marine and automotive supply chains requiring sustainable protection devices.
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FAQs
CB285P-70 is designed for panel mounting in compact control panels. Plan the enclosure cutout to fit the single-pole unit, ensure proper waterproof sealing around the housing, and secure with the recommended torque. Verify panel continuity and perform a functional test after installation to confirm isolation and protection integrity.
CB285P-70 provides a 70 A amperage rating, a 3 kAIC interrupt rating, and a 48 Vdc voltage rating. It is a single-pole, switchable device suitable for protecting DC circuits in marine and automotive power systems.
Yes, CB285P-70 is RoHS compliant per factory. While RoHS is confirmed, additional approvals such as CE may be available on request through Eaton, enabling broader market compatibility.
Yes, the unit is marine rated with waterproof housing and is designed for 48 Vdc systems, making it well suited for engine rooms, cabins, and exterior power applications on boats and other marine platforms.
The 70 A, 3 kAIC protection in a compact, single-pole, switchable package reduces fuse replacements and downtime, improves isolation safety, and lowers lifecycle costs in harsh environments typical of marine and automotive power distribution.