Description
DOMETIC 80A Panel Mount Circuit Breaker | Boat Supply Store
Protect sensitive marine electrical circuits from overcurrent conditions with this DOMETIC 80A panel mount circuit breaker. Designed for reliable operation, it features a thermal-magnetic trip mechanism to safeguard against sustained overloads and short circuits, crucial for preventing damage to equipment on offshore fishing vessels. With a DC voltage rating of 12-48V, it ensures safe power distribution for essential systems.
Key Features
- Overcurrent Protection: Safeguards electrical systems from hazardous overloads.
- Panel Mount Design: Facilitates neat and secure installation on electrical panels.
- 80 Amp Rating: Suitable for high-demand circuits requiring substantial current flow.
- Thermal-Magnetic Trip: Provides dual-action protection against sustained overloads and immediate short circuits.
- Durable Construction: Engineered for resilience in demanding marine environments.
- Compact Footprint: Minimizes space utilization on crowded boat panels.
- Versatile Application: Ideal for DC systems ranging from 12V to 48V.
- Reliable Operation: Ensures consistent and dependable circuit interruption when needed.
Specifications
| Product Specifications | |
|---|---|
| Amperage Rating | 80 A |
| Mounting Type | Panel Mount |
| Voltage Rating | 12-48 VDC |
Who This Is For
Marine electricians and boat owners seeking robust circuit protection for their vessel's DC electrical systems. This breaker is essential for maintaining the safety and functionality of equipment powering navigation and auxiliary systems.
How It Compares
| Feature | DOMETIC 80A Panel Mount Circuit Breaker | Blue Sea Systems |
|---|---|---|
| Amperage Rating | 80 A | 80 A |
| Mounting Type | Panel Mount | Panel Mount |
| Voltage Rating | 12-48 VDC | 12-48 VDC |
Common Concerns Answered
How do I know if an 80A breaker is appropriate for my boat's electrical system?
An 80A circuit breaker is suitable for circuits carrying high amperage loads, such as main power feeds, anchor windlasses, or significant inverter outputs. Always consult your vessel's electrical schematics and consult a marine electrician to confirm the correct breaker amperage for specific circuits to prevent over-specification or under-protection.
Can this circuit breaker be used for AC power?
This specific DOMETIC circuit breaker is rated for 12-48 VDC systems. It is not designed or rated for use with AC power circuits on a vessel. Always use breakers specifically designed and rated for the type of current (AC or DC) and voltage your system utilizes.
What is the primary function of a thermal-magnetic trip mechanism?
A thermal-magnetic trip mechanism offers dual protection. The thermal element reacts to sustained overcurrents (overloads) by sensing heat build-up, while the magnetic element responds instantaneously to high-magnitude, short-duration overcurrents (short circuits), ensuring prompt disconnection of power to prevent damage.
Frequently Asked Questions
What is the physical dimension of this panel mount circuit breaker?
The product dimensions are 2.5 inches H x 1.75 inches W x 2.5 inches D, allowing for efficient installation within marine electrical panels.
What is the trip-free mechanism feature?
A trip-free mechanism ensures that the circuit breaker cannot be held in the 'ON' position if an overcurrent fault condition exists, preventing the breaker from being manually overridden and thus protecting the circuit.
What is the typical lifespan of a marine circuit breaker like this?
Marine circuit breakers are designed for long-term operation. With proper installation and avoiding nuisance tripping, they can reliably serve a vessel for many years, often exceeding 10,000 operational cycles under normal conditions.
How does the panel mount design simplify installation?
The panel mount design allows the breaker to be securely fastened to a flat surface, such as an electrical distribution panel, through a cutout. This provides a clean, organized, and accessible installation point for electrical system management.
What is the temperature derating for this circuit breaker in a marine environment?
While specific temperature derating curves are not provided in the basic specifications, it is standard practice for marine-rated circuit breakers to maintain their rated amperage at typical ambient operating temperatures found on vessels (e.g., up to 40°C or 104°F). For operation in significantly higher ambient temperatures, consult the manufacturer's detailed technical documentation.
