Description
Blue Sea ELCI Breaker 240V 50A Double Pole | Boat Supply Store
This 50A double pole breaker provides indispensable ground fault protection for 240V AC marine electrical systems, mitigating shock hazards and equipment damage. Engineered for the rigors of the marine environment, its Magnetic Hydraulic trip-free mechanism ensures reliable operation across a -35°C to 66°C temperature range. Essential for vessels operating high-demand 240V AC appliances, this breaker trips at a critical 30mA leakage current, significantly enhancing safety offshore.
Key Features
- Ground Fault Protection with ELCI technology for critical safety
- Double Pole Configuration safeguarding 240V AC circuits
- 50A Amperage Rating for robust power handling
- Magnetic Hydraulic Breaker for reliable, trip-free operation
- Front Panel Mount for straightforward integration into panels
- Ignition Protected design for safe operation near fuel sources
- 5000A Interrupt Capacity to safely manage fault currents
- 30mA Leakage Trip for sensitive ground fault detection
Specifications
| Product Specifications | |
|---|---|
| Brand | Blue Sea Systems |
| Series | C-Series |
| Type | ELCI Circuit Breaker |
| Poles | Double Pole |
| Voltage | 240V AC |
| Amperage | 50A |
| Mechanism | Magnetic Hydraulic (trip free) |
| Interrupt Capacity | 5000A |
| Operating Temperature | -35°C to 66°C |
| Leakage Trip | 30mA |
Who This Is For
Marine electricians and boat owners requiring robust 240V AC circuit protection with essential ground fault interruption for their vessels. Boat builders installing or upgrading electrical systems on vessels utilizing 240V AC power will find this breaker's specifications critical for safety compliance.
How It Compares
| Feature | Blue Sea ELCI Breaker 240V 50A Double Pole | Competitor |
|---|---|---|
| Amperage | 50A | 50A, 50A |
| Poles | 2 | 2, 2 |
| Maximum Voltage | 240V AC | 120V AC, 240V AC |
| ELCI Protection | Yes | Yes, No |
| Leakage Trip Amps | 30mA | 30mA, N/A |
Common Concerns Answered
Why is an ELCI circuit breaker important on a boat?
An ELCI (Equipment Leakage Circuit Interrupter) breaker is vital on a boat for preventing electrical shock hazards caused by ground faults, which are common in marine environments due to moisture and saltwater. It trips the circuit when it detects an imbalance in current flow, indicating a potential path to ground.
The price is higher than standard breakers. Is ELCI protection truly necessary?
Yes, ELCI protection is a critical safety feature for marine applications, especially with 240V AC systems. It provides a level of protection against ground faults that standard breakers do not offer, significantly reducing the risk of electrocution and fire, making the investment in safety paramount for any vessel.
I've heard some older models have replacement part difficulties. Is this model supported?
The Blue Sea C-Series ELCI Circuit Breaker (MPN 3093) is a current production model from Blue Sea Systems, a reputable manufacturer known for supporting their products. While specific parts for very old or discontinued models can be challenging, this current generation breaker ensures ongoing availability of support and potential replacement components.
Frequently Asked Questions
What is an ELCI circuit breaker and why is it important on a boat?
An ELCI (Equipment Leakage Circuit Interrupter) breaker provides essential ground fault protection by tripping when it detects a small imbalance in the electrical current, indicating a potential leakage to ground. This is crucial on boats due to the conductive marine environment, significantly reducing the risk of electric shock and fire.
What is the difference between a single pole and a double pole circuit breaker?
A single pole breaker controls a single hot wire in a circuit, typically for 120V AC systems. A double pole breaker controls two hot wires simultaneously, used for 240V AC circuits and providing a higher level of protection by disconnecting both sides of the power supply.
Can this Blue Sea C-Series ELCI circuit breaker be used for 120V AC circuits?
No, this specific Blue Sea C-Series ELCI Circuit Breaker is designed for 240V AC systems due to its double pole configuration. For 120V AC circuits, a single-pole ELCI breaker would be required.
What is the interrupt capacity of this breaker?
This Blue Sea C-Series ELCI Circuit Breaker features an interrupt capacity of 5000A, meaning it can safely interrupt and de-energize a circuit during a fault condition up to this amperage level without sustaining damage.
What is the recommended torque for the mounting screws?
Refer to the product manual for precise torque specifications, as over-tightening or under-tightening mounting screws can compromise electrical connections and breaker function. The manual URL is provided for detailed installation guidance.
