PV DC MCB 2P 500V

Noark Ex9BP-2P – 2-Pole PV DC Miniature Circuit Breaker

The Ex9BP-2P series is a compact DC miniature circuit breaker designed for photovoltaic (PV) systems and other DC installations where reliable overcurrent and short-circuit protection is essential. The 2-pole configuration allows simultaneous disconnection of both positive and negative conductors, ensuring safe isolation during installation, maintenance, and fault conditions.

Key Features

• Designed specifically for PV string protection and DC distribution systems.
• 2-pole configuration provides safe, simultaneous disconnection of both DC conductors.
• Thermal and magnetic trip elements for dependable overload and short-circuit protection.
• Compact DIN-rail mount design for quick, professional installation.
• High-quality housing and arc-suppression design suited for demanding solar environments.
• Reliable switching performance for use in string boxes, combiner boxes, and inverter inputs.

Typical Applications

• PV string protection in residential, commercial, and small utility-scale installations.
• DC isolating and protection inside combiner boxes.
• Inverter DC input protection.
• Off-grid, hybrid, and battery storage DC circuits.
• Any DC installation requiring a 2-pole protective breaker.

Installation Notes

• Install on standard DIN rail within a suitable enclosure.
• Observe correct polarity and wiring orientation for DC circuits.
• Select the appropriate voltage and model variant based on system design.
• Follow all relevant SANS/IEC standards for PV and DC installations.

The Ex9BP-2P series delivers reliable, compact, and safe DC protection, making it a trusted solution for modern PV and energy-storage systems.