Suntree 20A Solar 2 Pole DC MCB

The Suntree 20A Solar 2 Pole DC MCB is a high-performance miniature circuit breaker specifically designed for photovoltaic (PV) systems. Engineered to deliver reliable protection, this MCB safeguards solar circuits against overcurrent, overload, and short-circuit faults, ensuring the safety and longevity of your solar installation. With its compact, dual-pole design, it is ideal for residential and small commercial solar applications.

The 2-pole configuration allows simultaneous disconnection of both positive and negative DC lines, enhancing safety during maintenance and reducing the risk of electrical hazards. With a rated current of 20A, this DC MCB is well-suited for small solar strings, inverters, and combiner boxes, providing dependable protection without compromising efficiency.

The Suntree 20A DC MCB features a thermal-magnetic trip mechanism that reacts quickly to overcurrent and short-circuit conditions. Its precise design ensures minimal downtime, prevents damage to connected solar modules, and maintains stable energy production. This makes it a critical component for modern PV systems that demand high reliability.

Durability and environmental resistance are key features. The MCB housing is made from flame-retardant, UV-resistant, and corrosion-proof material, ensuring it withstands harsh outdoor conditions including heat, dust, moisture, and direct sunlight. This ensures long-term stability even in rooftop or exposed solar installations.

Installation is easy thanks to DIN rail compatibility, which allows quick and secure mounting in solar combiner boxes and DC distribution boards. The terminals provide strong, reliable connections, minimizing voltage drop and ensuring efficient current flow across the system. Its compact size allows for easy integration into existing solar infrastructure without taking up unnecessary space.

The Suntree 20A Solar 2 Pole DC MCB is suitable for DC voltages up to 600V–1000V, depending on system specifications. It is ideal for overcurrent protection in solar string circuits, inverter input lines, and DC distribution panels. By isolating faults quickly, it helps prevent fire hazards, equipment damage, and energy losses, making the PV system safer and more efficient.

With its combination of high reliability, robust construction, and efficient protection, this MCB is a trusted choice for solar installers and technicians. It provides peace of mind by ensuring the safety of electrical components and maintaining optimal system performance over time.