Description
Blue Sea 7156 40A DC Circuit Breaker | Boat Supply Store
Protect vital DC circuits on your vessel from overcurrent conditions with the Blue Sea 7156 Short Stop Circuit Breaker. Engineered for demanding marine environments, this breaker offers a robust 40A DC rating and a substantial 2500A interrupt capacity at 28V DC, ensuring safety during critical fault events. Its IP64 water-resistant boot and corrosion-resistant construction make it an ideal choice for bilge pump circuits or navigation lighting systems exposed to spray in the Gulf of Mexico.
Key Features
- Reliable 40A DC overcurrent protection
- High Capacity 2,500A interrupt rating at 28V DC
- Durable IP64 water-resistant boot for environmental sealing
- Corrosion-Resistant construction for marine longevity
- User-Friendly push-to-reset operation
- Versatile suitable for 28V DC systems
- Safe UL Recognized Component
- Included red insulating boot for added safety
Specifications
| Product Specifications | |
|---|---|
| Rating | 40A DC |
| Maximum Voltage | 28V DC |
| Interrupt Capacity | 2500A @ 28V DC |
| Water Resistance | IP64 |
| Reset Type | Push-to-Reset |
| Terminal Type | #10-32 Screw Terminals |
| Material | Corrosion-resistant |
Who This Is For
Boat owners and marine electricians requiring dependable DC circuit protection up to 40A and 28V DC. This breaker is particularly beneficial for installations in areas susceptible to water ingress, such as pump systems or exposed electrical panels.
How It Compares
| Feature | Blue Sea 7156 40A DC Circuit Breaker | Competitor |
|---|---|---|
| Amperage | 40A DC | 40A, 40A DC |
| Maximum Voltage | 28V DC | 32V DC, 28V DC |
| Interrupt Capacity | 2500A @ 28V DC | null, 1500A @ 28V DC |
| Reset Type | Push to Reset | Replaceable fuse, Push to Reset |
| Water Resistance | IP 64 | null, null |
Common Concerns Answered
Is the Blue Sea 7156 circuit breaker completely waterproof?
The Blue Sea 7156 features an IP64 water-resistant boot, meaning it is protected against dust and splashing water from any direction, making it suitable for most marine environments but not for submersion.
Why is this circuit breaker more expensive than a fuse?
Circuit breakers like the Blue Sea 7156 offer reusability and a higher interrupt capacity, providing more robust protection for critical systems compared to single-use fuses, justifying the initial investment for enhanced safety and convenience.
Will the IP64 rating be sufficient for my application?
The IP64 rating is designed to protect against dust and splashing water, making it adequate for many marine applications where direct water impact is not constant. For areas requiring higher protection, consult specific installation guidelines.
Frequently Asked Questions
What is the interrupt capacity of the Blue Sea 7156 Short Stop Circuit Breaker?
The Blue Sea 7156 Short Stop Circuit Breaker has an interrupt capacity of 2500A at 28V DC.
Is this circuit breaker waterproof?
This circuit breaker is rated IP64 for water resistance, meaning it is protected against dust and splashing water.
What is the maximum voltage rating for this breaker?
The maximum voltage rating for the Blue Sea 7156 is 28V DC.
Can this circuit breaker be manually reset?
Yes, the Blue Sea 7156 features a convenient push-to-reset operation.
What type of terminal studs does this breaker use?
This breaker utilizes #10-32 screw terminals for secure connections.
