A DC Surge Protective Device (SPD) is an essential, low-cost safety component that shields sensitive DC-powered electronics—particularly solar PV systems, inverters, and controllers—from, destructive voltage spikes caused by lightning or electrical switching. Installed in parallel on DC circuits, these devices use metal oxide varistors (MOVs) to instantly divert excess energy to the ground.
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2 Pole 500 VDC, DC Surge protector
Original price was: KSh 3,500.00.KSh 2,800.00Current price is: KSh 2,800.00.
Key Features and Benefits
- Protection: Guards against overvoltage that can destroy solar modules, inverters, and combiner boxes.
- Mechanism: Operates by transitioning from high-impedance (normal flow) to low-impedance (shunting surge to ground) during a spike.
- Types: Primarily Type 1+2 (high risk/direct strikes) or Type 2 (indirect strikes) for PV systems.
- Maintenance: Features indicator windows; a red indicator signifies the module must be replaced after handling a surge.
- Installation: Installed on both ends of long DC power lines for maximum protection.
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