New Product Introduction: 32V DC Mid-Range Thermal Circuit Breaker (Panel Mount)

When it comes to mid-range DC power systems, reliable circuit protection is critical to ensure safety, system stability, and long-term performance.The Mid-Range Thermal Circuit Breaker Panel Mount from Photo-Top Technologies is designed to deliver resettable overcurrent protection for demanding environments such as automotive, marine, RV, and solar power systems.

This panel-mount thermal circuit breaker is an ideal alternative to traditional blade or ANL fuses, offering easy reset, clear trip indication, and durable IP66-rated construction.

Why Choose a Thermal Circuit Breaker Instead of a Fuse?

Compared with conventional fuses, a thermal circuit breaker provides significant advantages in real-world applications:

• Resettable Circuit Protection

  Push-to-trip design allows fast recovery after overload without replacing components

• Visual Trip Indication

  Red push button clearly shows breaker status for quick troubleshooting

• Ideal for High Inrush Current Loads

  Suitable for motors, inverters, winches, and battery-powered equipment

These features make thermal circuit breakers especially popular in marine electrical systems, off-road vehicles, RV power centers, and solar DC installations.

Key Specifications – Mid-Range Thermal Circuit Breaker

This single-pole thermal circuit breaker is engineered for stable performance in 32V DC systems:

• Rated Voltage: 32V DC (T3, Push to Trip)

• Dielectric Strength: > 1000 VAC / minute

• Current Ratings: 5A to 60A available

• Terminal Type: #10-32 threaded studs (nickel-plated brass)

• Ingress Protection: IP66 (dust-tight & water-resistant)

• Mounting Type: Panel Mount

• Max Torque (Body): 21 in-lb (2.4 Nm)

This specification range makes it suitable for mid-amp DC circuit protection across multiple industries.

Designed for Harsh Environments

The breaker features a robust housing and panel-mount structure, secured with nylon insert nuts to resist vibration and loosening.Its IP66-rated enclosure protects internal components from dust, moisture, and water spray—essential for marine and outdoor installations.

In addition, the circuit breaker complies with Ignition Protected requirements, making it safe for use in enclosed or fuel-adjacent environments.

International Standards & Compliance

To support global market requirements, this thermal circuit breaker meets key industry standards:

• SAE J553 – Circuit Breaker Standard

• ABYC E-11 – Marine Electrical Systems

• SAE J1171 – Ignition Protected

These certifications ensure compatibility with North American automotive and marine regulations.

Typical Applications

The Mid-Range Thermal Circuit Breaker Panel Mount is widely used in:

• Automotive & commercial vehicles

• Marine electrical systems

• ATVs & UTVs

• RV power distribution centers

• Solar MPPT inverters & battery banks

• Trolling motors & anchor winches

• Portable battery-powered audio systems

• Construction and heavy-duty equipment

It is especially effective in systems requiring reliable DC circuit protection with frequent reset capability.

Wide Current Range for System Flexibility

Available current ratings include:

5A / 10A / 15A / 20A / 25A / 30A / 40A / 50A / 60A

Engineers can reference trip time curves and temperature derating curves to select the optimal rating based on ambient temperature and load behavior—helping improve system safety margins and performance reliability.

Conclusion: A Smart Choice for Mid-Range DC Circuit Protection

The Mid-Range Thermal Circuit Breaker Panel Mount combines durability, safety, and serviceability in one compact solution.For applications where downtime, replacement cost, and environmental exposure matter, this resettable circuit breaker provides a dependable upgrade over traditional fuses.

If you are looking for a 32V DC thermal circuit breaker for automotive, marine, RV, or solar systems, this series offers an excellent balance of performance and reliability.