Description
Blue Sea 7135 25A Thermal Breaker w/Switch | Boat Supply Store
Protecting critical DC circuits on vessels, particularly those powered by gasoline engines, requires robust and certified components. This 25 Amp Blue Sea Systems 7135 breaker offers both reliable overcurrent protection and a convenient manual switch function in a single, waterproof unit. It meets SAE J1171 ignition protection standards and features a trip-free design, ensuring uninterrupted safety for 12V, 24V, or 42V DC systems up to its 48V DC maximum rating.
Key Features
- Combines switching and circuit protection for simplified wiring.
- Meets SAE J1171 external ignition protection standards, vital for gasoline-powered boats.
- Provides clear, single-lever operation for easy status indication.
- Features a trip-free design to prevent manual closing against a fault.
- Ensures reliable operation in wet environments with its waterproof construction.
- Accommodates heavy gauge wire lugs with robust 5/16" terminals and ample stud clearance.
- Offers a clean installation aesthetic with recessed mounting holes.
- Delivers 5,000 Amperes interrupt rating at 12V DC for substantial fault current handling.
Specifications
| Product Specifications | |
|---|---|
| Amp Rating | 25 Amp |
| Voltage Rating | 48V DC Max |
| Type | Type III Thermal Circuit Breaker with Switch Function |
| Ignition Protection | SAE J1171 |
| Interrupt Rating (12V DC) | 5,000 Amperes |
| Terminals | 5/16" |
| Design | Trip Free |
Who This Is For
Marine enthusiasts and boat owners demanding reliable, ignition-protected circuit protection for 12V, 24V, or 42V DC systems. Essential for marine electricians seeking integrated switching and safety features in critical installations.
How It Compares
| Feature | Blue Sea 7135 25A Thermal Breaker w/Switch | Blue Sea Systems |
|---|---|---|
| Amp Rating | 25 Amp | 30 Amp, 20 Amp |
| Voltage Rating | 48 Volts DC Maximum | 48 Volts DC Maximum |
| Circuit Breaker Class | Type III - Switchable / Manual Reset - Trip Free | Type III - Switchable / Manual Reset - Trip Free |
| Ignition Protection | SAE J1171 | SAE J1171 |
| Interrupt Rating (12V DC) | 5,000 Amperes | 5,000 Amperes |
Common Concerns Answered
Why is the price higher than basic circuit breakers?
The investment reflects the integrated switching function and crucial SAE J1171 ignition protection, which is mandatory for gasoline-powered vessels, offering superior safety and wiring simplification.
Is the lever difficult to operate?
While some users note a slight stiffness initially, this is typical for high-quality, robust marine-grade components designed for durability and reliable engagement. The lever action typically smooths with use.
What if I need a replacement part for an older model?
Blue Sea Systems is known for product longevity. For specific replacement parts on older units, consulting the Blue Sea Systems support or our product manual can provide detailed compatibility information and potential part numbers.
Frequently Asked Questions
What is the voltage rating of the Blue Sea 7135 187 - Series Thermal Circuit Breaker?
This circuit breaker has a maximum voltage rating of 48V DC.
What is the amp rating of this circuit breaker?
The amp rating for this specific model is 25 Amps.
Is this circuit breaker ignition protected?
Yes, this circuit breaker is ignition protected and compliant with SAE J1171 standards.
What is the interrupt rating of the Blue Sea 7135?
The interrupt rating is 5,000 Amperes at 12V DC.
Can this circuit breaker be used on gasoline-powered boats?
Yes, its SAE J1171 ignition protection makes it safe for use on gasoline-powered boats.
