Description
Blue Sea 7429 20A Rocker Circuit Breaker | Boat Supply Store
Secure your vessel's electrical integrity with a breaker designed to withstand demanding marine conditions. The Blue Sea 7429 incorporates a trip-free magnetic hydraulic mechanism, preventing continuous operation during fault conditions, and offers a clear visual indicator on its rocker actuator for immediate status identification. With a robust 10,000 rated switch cycles at its specified amperage and voltage, this compact, 2-inch slot breaker reliably protects 12V or 24V DC systems up to 20 amps or AC systems up to 250 volts, ideal for offshore trolling motor circuits or auxiliary power distribution panels.
Key Features
- Trip-Free Operation ensures safety by preventing reset during fault conditions.
- Magnetic Hydraulic Mechanism provides precise and reliable circuit interruption.
- Compact Small Case Design minimizes panel space utilization.
- Clear OFF Position Indicator offers immediate visual confirmation.
- 20 Amp Rating for protection of moderate to high-draw circuits.
- Versatile Voltage Compatibility up to 250V AC or 80V DC.
- Durable Construction with 10,000 rated switch cycles.
- Single Pole Configuration for straightforward circuit isolation.
Specifications
| Product Specifications | |
|---|---|
| Pole Type | Single Pole |
| Case Size | Small Case |
| Actuator Type | 2" Slot Reset Rocker |
| Amp Rating | 20 Amp |
| Mechanism Type | Magnetic Hydraulic - Trip Free |
| Maximum Voltage AC | 250 Volts AC |
| Maximum Voltage DC | 80 Volts DC |
| Rated Switch Cycles | 10,000 @ rated amperage and voltage |
| Terminal Type | Screw Terminals |
Who This Is For
Marine electricians and dedicated boat owners undertaking electrical system installations or repairs will find this breaker essential for reliable protection of 12V or 24V DC circuits up to 20 amps. DIY enthusiasts with a foundational understanding of marine electrical systems can confidently install this component to safeguard auxiliary equipment or upgrade existing panel configurations.
How It Compares
| Feature | Blue Sea 7429 20A Rocker Circuit Breaker | Cole Hersee 5000 |
|---|---|---|
| Amperage | 20 Amp | 20 Amp, 20 Amp |
| Max Voltage AC | 250 Volts AC | N/A, 250 Volts AC |
| Max Voltage DC | 80 Volts DC | 28 Volts DC, 80 Volts DC |
| Trip Mechanism | Magnetic Hydraulic - Trip Free | Thermal-Magnetic, Thermal-Magnetic |
| Actuator Indicator | Color indicates OFF | Rocker Switch, Rocker Switch |
| Rated Switch Cycles | 10,000 | 1,000-10,000, 1,000-10,000 |
Common Concerns Answered
Is the price higher than non-marine breakers?
While the initial investment for the Blue Sea 7429 may appear higher than generic alternatives, its marine-grade construction, trip-free magnetic hydraulic mechanism, and extended cycle life ensure superior reliability and longevity in corrosive saltwater environments, justifying the premium for critical electrical protection.
Can I easily find this breaker in stock?
Availability can fluctuate based on retailer inventory; however, BoatSupplyStore.com maintains robust stock levels of critical marine components like the Blue Sea 7429 to ensure prompt fulfillment for your urgent repair or upgrade needs.
Is this breaker suitable for DIY installation?
The Blue Sea 7429 is designed for straightforward installation with basic tools and electrical knowledge, making it accessible for DIYers. Its clear labeling and intuitive rocker switch design simplify the process of replacing existing breakers or integrating new circuits.
Frequently Asked Questions
What is the maximum voltage rating for the Blue Sea 7429 circuit breaker?
The Blue Sea 7429 circuit breaker is rated for a maximum of 250 Volts AC or 80 Volts DC.
What type of circuit breaker mechanism does the Blue Sea 7429 use?
The Blue Sea 7429 utilizes a magnetic hydraulic, trip-free mechanism.
Can the Blue Sea 7429 be held ON during a fault current condition?
No, the trip-free design of the Blue Sea 7429 prevents it from being held ON during a fault current condition, ensuring safety.
What is the rated switch cycle for this circuit breaker?
This circuit breaker has a rated switch cycle of 10,000 operations at its rated amperage and voltage.
What does the color actuator on the Blue Sea 7429 indicate?
The color actuator on the Blue Sea 7429 clearly indicates the OFF position for immediate visual recognition.