Description
Blue Sea 7153 20A DC Circuit Breaker | Boat Supply Store
Safeguard critical DC circuits from overcurrent events with a breaker engineered for demanding marine environments. This unit offers a robust 2,500A interrupt capacity at 28V DC, ensuring safe operation during fault conditions, a crucial parameter for systems powering navigation electronics or bilge pumps on a offshore fishing vessel. Its IP 64 water-resistant boot and corrosion-resistant construction provide reliable protection against saltwater spray and moisture ingress, even in harsh coastal conditions.
Key Features
- 20A DC overcurrent protection
- 28V DC maximum voltage rating
- 2,500A @ 28V DC interrupt capacity
- IP 64 water-resistant boot
- Convenient push-to-reset operation
- Durable corrosion-resistant materials
- Includes red insulating boot
- Reliable marine-grade design
Specifications
| Product Specifications | |
|---|---|
| Amperage | 20A DC |
| Maximum Voltage | 28V DC |
| Interrupt Capacity | 2500A @ 28V DC |
| Water Resistance | IP 64 |
| Reset Type | Push to Reset |
| Terminal Type | #10-32 screw terminals |
| Material | Corrosion-resistant |
| Boot Included | Yes, red insulating |
Who This Is For
Marine enthusiasts and boat owners requiring reliable protection for DC electrical systems up to 28V. Marine electricians seeking a durable, corrosion-resistant, and water-resistant breaker for demanding onboard applications.
How It Compares
| Feature | Blue Sea 7153 20A DC Circuit Breaker | Competitor |
|---|---|---|
| Amperage | 20A DC | 20A (fuse), 20A |
| Maximum Voltage | 28V DC | 32V DC, 12V DC |
| Interrupt Capacity | 2500A @ 28V DC | 1000A-2000A (typical for fuse), 1000A-2000A |
| Reset Type | Push to Reset | Manual Fuse Replacement, Thermal Reset |
| Water Resistance | IP 64 | Not specified (typically not water-resistant), Varies by model, often not rated IP64 |
Common Concerns Answered
Is this breaker more expensive than non-marine options?
While the initial investment may be higher than standard automotive circuit breakers, the Blue Sea 7153's marine-grade construction, superior corrosion resistance, and significantly higher interrupt capacity (2500A @ 28V DC) ensure long-term reliability and safety in harsh marine environments, justifying the cost.
Does this breaker have a manual trip switch?
The Blue Sea 7153 features a push-to-reset operation for convenient circuit restoration. For applications requiring a distinct manual trip switch, alternative models may be considered, but this design prioritizes simplicity and robust protection.
Will this breaker withstand saltwater environments?
Yes, the Blue Sea 7153 is specifically designed for marine use with corrosion-resistant materials and an IP 64 water-resistant boot, offering excellent protection against the ingress of water and salt spray common in marine applications.
Frequently Asked Questions
What is the interrupt capacity of the Blue Sea 7153 Short Stop Circuit Breaker?
The Blue Sea 7153 Short Stop Circuit Breaker has an interrupt capacity of 2,500A at 28V DC.
Is this circuit breaker waterproof?
This circuit breaker is not fully waterproof but features an IP 64 water-resistant boot, providing protection against splashing water and dust ingress.
What is the maximum voltage this circuit breaker can handle?
The Blue Sea 7153 circuit breaker can handle a maximum voltage of 28V DC.
Can this circuit breaker be manually reset?
Yes, this circuit breaker can be manually reset by pushing the button after a trip event.
What type of terminals does this circuit breaker use?
This circuit breaker uses #10-32 screw terminals for secure electrical connections.