Eaton CB285P-150 Marine Rated Circuit Breaker - 48Vdc 3kAIC
Part Number: CB285P-150
Quick Summary
The Eaton CB285P-150 marine rated circuit breaker safeguards DC power systems on boats and offshore equipment. In harsh marine environments, moisture exposure and high-current faults threaten uptime and safety. This unit is RoHS compliant, with additional certifications such as CE and IP-rated protection available through factory confirmation. Ideal for panel-mount DC protection in marine electrical protection systems, it delivers switchable operation, waterproof sealing, and high-amp reliability, enabling easier maintenance and reduced downtime across critical onboard circuits. By leveraging Bussmann series compatibility, procurement simplifies stocking and reduces part proliferation while ensuring robust protection for automotive and marine power rails.
Product Information
Extended Description
CB285P-150 Eaton: Eaton Bussmann series C.B.285P marine rated circuit breaker, Switchable, 48 Vdc, 150A, 3 kAIC, Automotive, Type III, High amp, Single-pole, Waterproof
Product Name
Eaton Bussmann series CB285P marine rated circuit breaker
Catalog Number
CB285P-150
UPC
051712741828
Product Length/Depth
1.9 in
Product Height
2.91 in
Product Width
1.77 in
Product Weight
0.175 lb
Compliances
RoHS Compliant Contact factory
Amperage Rating
150 A
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 complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
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Eaton Specification Sheet - CB285P-150
Feature: Marine-rated waterproof design provides reliable protection against moisture and salt exposure. Business Impact: Extends service life in exposed environments and reduces corrosion-related outages. Application: Ideal for direct-use in boat electrical panels and offshore equipment where water ingress is a constant risk. Feature: 150 A amperage rating with 48 Vdc voltage capability supports high-current DC circuits without nuisance trips. Business Impact: Improves system availability and protects critical loads from overcurrent, lowering downtime costs. Application: Main DC feeders in marine propulsion and battery systems in automotive applications. Feature: 3 kAIC interrupt rating delivers rapid fault clearance for surge and short-circuit events. Business Impact: Minimizes arc energy and protects downstream components, reducing thermal stress and component wear. Application: Fault protection in high-current DC networks on vessels and industrial vehicles. Feature: Switchable, single-pole design with panel mounting simplifies installation and field service. Business Impact: Accelerates commissioning and maintenance while preserving a compact form factor. Application: retrofit or new-build control panels in marine and automotive electrical installations. Feature: RoHS compliant with Bussmann series compatibility ensures regulatory alignment and supply chain consistency. Business Impact: Reduces compliance risk and simplifies procurement across projects. Application: Regulatory-conscious marine and automotive projects that require standardization with Eaton Bussmann components.
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FAQs
CB285P-150 is designed for panel mounting and single-pole operation, making it suitable for standard control panels in marine and automotive DC power systems. The compact form factor simplifies installation in tight spaces, while the panel-mount design supports easy replacement and maintenance access. Ensure the panel enclosure provides adequate moisture protection to preserve the waterproof characteristics.
CB285P-150 provides a 150 A amperage rating and a 48 Vdc voltage rating, with an interrupt rating of 3 kAIC. These specifications enable protection for high-current DC circuits while delivering rapid fault clearance to minimize damage to downstream components. The switchable feature allows manual control for servicing and load isolation.
Yes. The CB285P-150 is explicitly marine-rated and waterproof, designed to withstand the challenging conditions of boats and offshore installations. Its rugged construction and 48 Vdc protection align with typical marine and automotive DC power distributions, helping to reduce corrosion-related failures and ensuring reliable operation in salt spray and vibration-prone environments.
CB285P-150 is RoHS compliant, aligning with environmental and regulatory expectations. For additional certifications such as CE marking or IP-based protection levels, please contact Eaton to confirm availability and any model-specific variants. This helps ensure the part meets your project’s regulatory and environmental requirements.
The CB285P-150 delivers measurable value through improved fault isolation, reduced downtime, and longer service life of DC power feeds. Its high interrupt rating and waterproof design minimize maintenance costs and spare-part requirements in high-stress installations. By standardizing on this unit within Eaton Bussmann’s portfolio, projects benefit from supply-chain consistency and predictable maintenance planning.