Building 3, No.19 Yongtian Rd., Xiangzhou, Zhuhai city, Guangdong province, China
Author: Site Editor Publish Time: 2025-05-28 Origin: Site
In order to ensure the stable operation of LED driver power supply in a complex and changeable power environment, each LED driver power supply of Suretron is equipped with a comprehensive protection mechanism, which also enables Suretron LED driver power supply to show excellent environmental adaptability in different scenarios such as smart city lighting, industrial lighting, road lighting, etc.
It is conceivable how important the protection mechanism of LED driver power supply is. Someone once made this analogy: LED driver power supply is like the "heart" of the lamp, and the protection mechanism is the "first aid system" of the heart, guarding the stable operation of the lamp at critical moments.
Protection | Function | Principle Effect |
Overvoltage Protection | Stops/reduces output if input/output voltage exceeds safe range; prevents grid voltage spikes (e.g., lightning-induced high voltage) from damaging LED beads. | Shields against voltage surges, preventing premature aging/damage from overvoltage. |
Short circuit Protection | Detects output short circuits (via sudden current changes) and quickly cuts off output or enters low-power mode. | Blocks high short-circuit currents from burning internal components (e.g., thyristors, MOSFETs), preventing greater losses. |
Over temperature protection | Internal temperature sensor detects overheating (from overload, high ambient temp, or poor heat dissipation) and triggers power reduction/shutdown. | Prevents overheating-induced component degradation, shortened lifespan, or damage; avoids fire risks. |
Overload Protection | Limits/closes output if load exceeds rated power, avoiding overheating damage from long-term overload. | Limits current/power to protect driver and LED beads from overcurrent damage; reduces overheating/short-circuit risks, extending system lifespan. |
Open circuit Protection | Detects output disconnection (via voltage spike/current drop) and shuts down/limits voltage to prevent overvoltage damage. | Protects internal components from overvoltage damage; reduces high-voltage risks, extending equipment lifespan. |
Lightning Protection | Surge protector clamps lightning-induced high-voltage surges to safe levels, diverting current to ground to protect driver and LED arrays. | Effective in outdoor settings (e.g., streetlights, billboards) to prevent lightning damage, enhancing system reliability under harsh weather. |
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