Description
Blue Sea 7270 250A Triple Pole DC Circuit Breaker | Boat Supply Store
For demanding marine electrical systems requiring simultaneous protection and switching of multiple high-amperage circuits, this device serves as a critical component. It offers robust overcurrent protection up to 250A across three poles, integrating essential switching functionality for loads like inverters, bow thrusters, and windlasses. The C-Series design ensures reliable operation, and its 'Trip Free' mechanism prevents the breaker from being held closed during a fault condition, safeguarding your vessel's electrical integrity.
Key Features
- Triple Pole configuration for simultaneous control and protection of three circuits.
- 250A Amperage Rating handles substantial DC loads for high-draw equipment.
- Integrated Switching & Protection consolidates two functions into one compact unit.
- 'Trip Free' Mechanism guarantees safety by preventing manual override during overload or short circuit.
- C-Series Design ensures durability and reliability in harsh marine environments.
- Ideal for Inverters providing essential overcurrent protection for AC power generation.
- Suitable for Bow Thrusters offering critical circuit control and safety.
- Windlass Circuit Protection ensures dependable operation for anchoring systems.
Specifications
| Product Specifications | |
|---|---|
| Brand | Blue Sea Systems |
| Product Type | DC Circuit Breaker |
| Model | C-Series 7270 |
| Pole Configuration | Triple Pole |
| Amperage Rating | 250A |
| Voltage Rating | N/A (DC) |
| Toggle Type | White Toggle |
| Mechanism | 'Trip Free' |
| Terminal Stud Size | N/A (specific dimensions required for precise install data) |
| Mounting Type | Panel Mount |
| Dimensions | N/A (specific dimensions required for precise install data) |
| Weight | N/A (specific dimensions required for precise install data) |
Who This Is For
Marine electricians and experienced boat owners requiring robust DC circuit protection and switching for high-draw equipment such as inverters, bow thrusters, and windlasses. System integrators can benefit from its combined functionality for complex electrical distributions.
How It Compares
| Feature | Blue Sea 7270 250A Triple Pole DC Circuit Breaker | Blue Sea Systems 7271 300A C |
|---|---|---|
| Amperage Rating | 250A | 300A |
| Poles | 3 | 3 |
| Series | C-Series | C-Series |
| Primary Use Case | Inverters, bow thrusters, windlasses | High-amperage inverters, bow thrusters, windlasses |
Common Concerns Answered
Why is this circuit breaker more expensive than basic models?
The Blue Sea 7270's higher cost reflects its specialized triple-pole configuration, robust 250A rating, and the integration of both circuit protection and switching functions, designed for high-demand marine applications and superior reliability.
Is the installation complex for this breaker?
Installation requires a thorough understanding of DC electrical systems, including proper wire sizing, termination techniques, and the specific circuit loads being protected. This is crucial for safe and effective operation.
Can this breaker be manually held closed if needed?
No, the Blue Sea 7270 features a 'Trip Free' mechanism, which is a critical safety feature that prevents the breaker from being held closed after a trip event, ensuring protection against overcurrent conditions.
Frequently Asked Questions
What is the amperage rating of the Blue Sea 7270 circuit breaker?
The Blue Sea 7270 features a maximum amperage rating of 250A.
What type of DC circuit breaker is the Blue Sea 7270?
The Blue Sea 7270 is a C-Series, triple-pole, toggle DC circuit breaker designed for overcurrent protection and switching.
What are the typical applications for the Blue Sea 7270 circuit breaker?
Typical applications include providing circuit protection and switching for high-draw marine equipment such as inverters, bow thrusters, and windlasses.
Does the Blue Sea 7270 offer both switching and circuit protection?
Yes, the Blue Sea 7270 integrates both essential circuit protection against overcurrents and the functionality to manually switch the connected circuits on or off.
What does 'Trip Free' mean in the context of the Blue Sea 7270 circuit breaker?
'Trip Free' means that the breaker mechanism will automatically open (trip) when an overcurrent condition is detected and cannot be manually held closed, ensuring safety.
