Switchmode Power Supply 13.8-3


The SMPS13.8-3 is a fully regulated 13.8V DC switchmode power supply.
Note: There are no user serviceable parts inside the power supply and it is extremely dangerous to remove the cover while the unit is switched on, as live circuitry inside may be exposed.
Stock Code
Output Voltage
SMPS 13.8-3


Output Ripple Voltage @ Full Load < 0.1%
Load Regulation (Zero to Full Load) < 2.0%
Line Regulation (220-240V) @ Full load < 0.1%
Output Voltage 13.8V DC
Output Current 3A Continuous
Circuit Current Limit (Adjustable) 3.0A DC (6 - 14V DC)
Output Power (Max) 41W
Weight 0.3Kgs
Dimensions L - 145mm W - 92mm H - 70mm
The power supply can be used as a sealed lead acid battery charger with a maximum output current of 3.1A continuous. No adjustments are required.
The power supply should be installed in a well ventilated area and not enclosed where excessive heat build up can occur. Do not install or mount above any hot air discharge/air-conditioner/radiator or similar equipment. Mounting outside or in a wet/damp environment is also not recommended.