Description
Blue Sea 7417 50A Double Pole Circuit Breaker | Boat Supply Store
Safeguard critical dual-pole electrical circuits from overcurrent events with this robust magnetic hydraulic breaker. Engineered for demanding marine environments, it provides a reliable 50A AC/DC rating and a high interrupt capacity of 5000A at 32V DC. The trip-free design ensures the breaker cannot be held closed against a fault, protecting vital systems on offshore fishing vessels or coastal cruisers.
Key Features
- Double Pole Configuration for simultaneous circuit control.
- 50A AC/DC Rating for versatile load protection.
- Trip Free Design prevents re-closing during fault conditions.
- Flat Rocker Actuator for easy operation and clear status indication.
- International ON/OFF Symbols facilitate correct installation and use.
- Color Actuator visually confirms 'OFF' position.
- Broad Temperature Range (-40°C to 85°C) for extreme conditions.
- High Interrupt Capacity (5000A @ 32V DC) for superior safety.
Specifications
| Product Specifications | |
|---|---|
| Poles | Double Pole |
| Amperage Rating | 50A |
| Maximum AC Voltage | 120V AC / 240V AC |
| Maximum DC Voltage | 32V DC |
| Circuit Breaker Type | Magnetic Hydraulic - trip free |
| Interrupt Capacity (AC) | 3000A @ 240V AC |
| Interrupt Capacity (DC) | 5000A @ 32V DC |
| Operating Temperature Range | -40°C to 85°C |
| Actuator Style | Flat Rocker |
| Mounting Type | Panel Mount |
| Agency Approvals | TUV |
Who This Is For
This circuit breaker is ideal for marine electricians and boat owners who require reliable, trip-free overcurrent protection for dual-pole electrical systems. DIY enthusiasts undertaking complex electrical refits will also benefit from its robust design and clear indication.
How It Compares
| Feature | Blue Sea 7417 50A Double Pole Circuit Breaker | Blue Sea Systems 7421 A |
|---|---|---|
| Amperage | 50A AC / 50A DC | 30A AC / 30A DC, 50A |
| Poles | 2 | 2, 2 |
| Maximum AC Voltage | 120V AC / 240V AC | 120V AC / 240V AC, |
| Maximum DC Voltage | 32V DC | 32V DC, 28V DC |
| Circuit Breaker Type | Magnetic Hydraulic - trip free | Magnetic Hydraulic - trip free, Thermal |
| Interrupt Capacity (DC) | 5000A @ 32V DC | 5000A @ 32V DC, |
Common Concerns Answered
Are there any common installation issues?
While generally straightforward, some users have reported difficulty in sourcing specific torque values for terminal and mounting screws. It is advisable to consult the product manual for recommended torque settings to ensure a secure and reliable installation.
Is this circuit breaker more expensive than other options?
The Blue Sea 7417 may have a higher price point compared to generic alternatives. However, this is attributed to its superior build quality, trip-free design, and reliable performance in demanding marine applications, offering long-term value and safety.
How does the 'trip free' design benefit my boat's electrical system?
A 'trip free' design means the circuit breaker cannot be manually held in the 'ON' position if an overcurrent fault is detected. This essential safety feature ensures that the breaker will always interrupt the circuit during a fault, preventing potential damage to wiring and connected equipment.
Frequently Asked Questions
What is the maximum voltage rating for the Blue Sea 7417 circuit breaker?
The Blue Sea 7417 circuit breaker supports up to 120V AC / 240V AC and 32V DC.
Can this circuit breaker be used for both AC and DC applications?
Yes, the Blue Sea 7417 is rated for both 50A AC and 50A DC applications.
What is the interrupt capacity of the Blue Sea 7417 circuit breaker?
The interrupt capacity is 3000A at 240V AC and 5000A at 32V DC.
What does 'trip free' design mean for this circuit breaker?
A 'trip free' design ensures that the circuit breaker mechanism will always trip and open the circuit during an overcurrent or short-circuit condition, even if the actuator is manually held in the 'ON' position.
What type of actuator does the Blue Sea 7417 circuit breaker have?
The Blue Sea 7417 circuit breaker features a flat rocker actuator.
