Suntree DC MCB SCB8 1P 80A


Key Features: Suntree Suntree DC MCB SCB8 1P 80A

  • Space-Saving Design: With its small volume that supports large currents, our rated 125A circuit breaker is only 18mm wide, saving you 30% installation space.
  • Robust Environmental Adaptability: Reliable operation even in extreme conditions, with an ambient temperature application range of -5 °C to 40 °C. This ensures it meets the requirements of various scenarios.
  • Superior Performance: A temperature rise less than 50K and an impressive breaking capacity of up to 6kA. Its electrical life is also rated at ≥ 4000 times.
  • User-Friendly: The 125A product has a lighter operational force, making it easy to operate.
  • Clear Contact Indication Window: All series of contact positions are visualized for enhanced reliability and to prevent misoperations.
  • Protection Features: This breaker ensures protection against overload and short circuits, with a rated short circuit breaking capacity (icu) of up to 6kA.
  • Versatility: Designed especially for PV, energy storage, and various other DC applications. It features non-polarity for easy wiring.


  • Model: SCB8-125DC
  • Poles Available: 1P, 2P
  • Rated Current (InA): 125A
  • Rated Voltage (V DC): 1P (DC24-125V), 2P (DC250V)
  • Rated Ultimate Short Circuit Capacity: 60000
  • Instantaneous Release Current: 8In-12In
  • Protection Functions: Overload, short circuit
  • Mechanical Life: 20,000
  • Ambient Temperature Range: -5℃ to +40℃
  • Installation Site: Suitable for altitudes not exceeding 2000m
  • Pollution Level: 2
  • Installation Category:

Ensure the safety and efficiency of your electrical setups with our top-of-the-line DC Circuit Breaker. Safe, reliable, and designed for the modern world.

Available on backorder

SKU: DCMCBSCB8-1P-80 Category: Tag:


Suntree DC MCB SCB8 1P 80A

The SCB8 Range of DC Circuit breakers can be used for any DC load of up to 250V. Examples of this would be between the battery bank and solar charge controllers, DC-DC chargers, lighting, fridges, and any other appliance circuits that need resettable DC protection.


  • Why Use a DC Circuit Breaker to Protect Circuits?

    A circuit breaker is a safety device that interrupts the flow of current in an electrical circuit to prevent damage from excessive current flow, short circuits, or electrical faults. When it comes to DC (Direct Current) circuits, using a reliable circuit breaker, like our Suntree DC MCB SCB8 1P 80A, is essential for a variety of reasons.

    Protection from Overcurrent:

    DC circuits, like their AC counterparts, are susceptible to overcurrent conditions. An overcurrent occurs when more current flows through a circuit than it’s designed to handle. Without adequate protection, components can overheat, leading to possible fires or damage to the connected equipment. A Suntree DC MCB SCB8 1P 80A provides a quick response to overcurrent conditions, ensuring that the circuit is broken and the current flow is halted immediately.

    Safe Isolation from Faults:

    A short circuit or electrical fault can send a surge of current through the circuit. In such scenarios, it’s crucial to disconnect the faulty part of the circuit from the power source swiftly. Our Suntree DC MCB SCB8 1P 80A acts as a robust safeguard, disconnecting the circuit almost instantaneously in case of a fault, preventing any damage or hazard.

    DC-Specific Design:

    DC systems have different characteristics than AC systems. While AC voltage alternates and periodically drops to zero, DC voltage remains constant. This can make breaking a DC circuit more challenging due to the continuous arc that forms when trying to interrupt the flow. A Suntree DC MCB SCB8 1P 80A is specifically designed to handle these challenges, ensuring a quick and safe interruption of the circuit.

    Flexibility and Scalability:

    Whether you’re setting up a small DC-powered application or a large-scale system, having a versatile solution is crucial. A reliable Suntree DC MCB SCB8 1P 80Aoffers adaptability for various applications. It can be used in multiple setups, ranging from solar panel systems to DC-powered machinery and vehicles.

    Long-Term Savings:

    An upfront investment in a Suntree-Pole Mini Circuit Breaker can result in significant long-term savings. By preventing potential damage to your equipment and reducing the risk of fires, this circuit breaker can help avoid expensive repairs and replacements. It’s an investment that pays off by ensuring the longevity and safety of your equipment.


    DC circuits, though distinct from AC circuits, are equally vulnerable to over currents and faults. The importance of safeguarding them with a suitable protective mechanism cannot be emphasized enough. By choosing a high-quality product like our reliable Suntree DC MCB SCB8 1P 80A, you are not only ensuring the safety of your DC circuit and connected equipment but also saving on potential future costs related to damages and repairs. Always prioritize safety and reliability when selecting a circuit protection solution.

    Further information on these products is available here

Additional information

Weight 0.2 kg


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