Product Overview
Sea-Dog Thermal AC/DC Circuit Breaker – 30 Amp is a Sea-Dog product intended for marine hardware, electrical, plumbing and boat outfitting. It is built for boat owners and installers who need a product-specific solution for controlling or protecting a marine electrical circuit.
Thermal AC/DC Circuit Breakers are built to protect an electrical circuit from damage caused by excess current. Vibration and shock resistant these push-to-reset circuit breakers are an economical alternative to magnetic breakers. Unlike sacrificial fuses they have the advantage of being resettable after tripping.
Product Details
- Panel mounted compact design.
- Constructed of molded Bakelite with quick connect, terminal style, stamped brass contacts.
- Optional Thermal Breaker Boot (420839) offers additional protection in wet environments.
- 5-30A @ 125-250VAC.
- 32VDC.
Key Features
- Panel Depth: 3/16"
- Amps: 30
Important Notices
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit P65Warnings.ca.gov.
Fit & Selection Guidance
Use manufacturer part number 420830-1 to verify the exact item. Confirm dimensions, voltage, capacity, material, mounting pattern, connection type and model compatibility where applicable. Replacement parts should be matched to the exact parent equipment or system whenever the manufacturer specifies one.
For installation-sensitive products, follow the manufacturer’s current instructions and the applicable marine electrical, plumbing, structural or safety requirements for your boat.














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