Description
The DC Dual Pole Circuit Breaker is specifically designed to protect DC electrical systems, especially in solar and battery-based installations. Unlike AC breakers, this breaker is built to safely interrupt direct current, which behaves differently and requires special arc suppression technology.
It automatically trips when it detects the following:
• Overload (excess current)
• Short circuit
• Electrical fault conditions
Because it is dual pole, it disconnects both the positive (+) and negative (−) lines at the same time, ensuring full circuit isolation and improved safety.
⚡ Key Features:
• Dual pole DC protection (Positive & Negative)
• Designed specifically for DC voltage systems
• Fast and reliable tripping mechanism
• High arc-extinguishing capability
• Manual reset function
• DIN-rail mounting
• Available in various DC voltage and current ratings
🔋 Ideal Applications:
• Solar PV systems
• Battery banks
• Inverter systems
• DC distribution boards
• Off-grid installations
• Energy storage systems
🔧 Why DC Breakers Are Important:
DC electricity does not naturally cross zero like AC, meaning it can sustain arcs longer. This breaker is specially designed to:
• Safely interrupt DC arcs
• Prevent fire hazards
• Protect solar panels and batteries
• Improve system reliability





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