Suntree DC 100A 2-Pole Circuit Breaker


Suntree DC 100A 2-Pole Circuit Breaker

Shop SunTree – a leading 100A DC circuit breaker for renewable energy systems. This 2-pole breaker is specifically designed for overcurrent protection and serves as a vital disconnect between batteries and inverters. With features like overload delay protection, instantaneous short circuit safeguard, and a compact design, the SM8-250HPV ensures your equipment remains safe from potential electrical hazards. Ideal for DC grid circuits rated up to 1000V, this model boasts quick-close and rapid-reset mechanisms, making it a top choice for efficient energy distribution and protection.

Only 1 left in stock (can be backordered)

SKU: DCMCCBSM8-2P-100 Category: Tag:


Suntree DC 100A 2-Pole Circuit Breaker

PV DC MCCB Specifications – DC 100A 2-Pole Circuit Breaker

  • Product Details:
    • ID: DC MCCB SM8-250HPV
    • Name: DC MCCB Circuit Breaker
    • Manufacturing Standards: GB14048.2, IEC/EN 60947-2
  • Voltage & Power Details:
    • Operating Voltage (UE): DC 1000V
    • Insulation Voltage (UI): 1500V
    • Impulse Voltage (UMP): 12kV
  • Construction & Design:
    • Number of Poles: 2P
    • Dimensions: 90mm Width x 200mm Height x 86mm Depth
  • Protection & Safety Features:
    • Trip Mechanism: Thermomagnetic TMD (Non-Adjustable)
    • Ultimate Short Circuit Rating: UE 1200V at 10kA
    • Interruption Capacity (ICU): UE 1000V at 16kA
    • Operational Interruption Capacity (ICS): UE 1200V at 7.5kA
    • Long Delay Protection (LR): 1LN
    • Instantaneous Protection (LI): 5LN


  • 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 100A 2-Pole Circuit Breaker, 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. Our reliable DC 100A 2-Pole circuit breaker 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 100A 2-Pole Circuit Breaker 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. Our reliable Suntree DC 100A 2-Pole Circuit Breaker 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 100A 2-Pole Circuit Breaker offers 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 DC 100A 2-Pole 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 100A 2-Pole Circuit Breaker, 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 3 kg
Dimensions 25 × 18 × 17 cm


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