What are the key considerations for integrating LED switch-mode power supplies with LED modules during installation?

2025-11-21

The following are key considerations for LED switch-mode power supply installation to ensure optimal compatibility with LED module lights.

Power matching between the power supply and the module: The switching power supply should be about 1.25 times the total power of the LED module lamp, and the total power should be less than or equal to the rated power of the power supply. It is recommended to reserve 20% of the power supply.

Current matching: the power supply output current must be stable, the deviation must not exceed ±3% of the rated output current, and must be a constant current power supply.

Voltage matching: The power supply's output voltage must match the LED module's rated voltage.

Installation distance control: The power supply should be within 5 meters of the LED module. If the distance is too long, install multiple power supplies using 220V main lines.

Waterproof measures: LED switch power supply can only be moisture-proof, not waterproof. When installed externally, waterproof measures should be taken.

Environmental adaptability: such as in high humidity, high temperature, chemical products, corrosive gas, sand, sea, strong ultraviolet, strong electromagnetic and other special environments, the product needs to be reviewed and confirmed by the company before use.

Connect the wires to the correct positive and negative terminals: LED modules have designated positive and negative terminals. During installation, ensure the power port wiring matches the polarity. Reversed connections will cause the module to fail to light up, but won't cause damage.

Wire selection: The power cable should be as short as possible (no more than 3 meters) and thick enough to reduce voltage drop.

Safety and power-off procedures: Disconnect mains power before wiring and verify no electricity with a voltage tester.

Static protection: installation personnel must wear static wristband and static gloves, and all tools must be strictly grounded during assembly.

Note: Heat dissipation. The power supply can be built-in without affecting the heat dissipation of the module.

Regular inspection: Check whether the connection is loose and repair it in time.

Other notes: Avoid prolonged overload use.

LED switch-mode power

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