Mean well LCM-40 multi power power supply with constant output current from 350mA to 1050mA selectable via dip-switch on board power supply. Output power 40W. Output voltage between 2 and 100 V DC according to the load connected to the DA60. Output constant current level can be adjusted by applying one of the three methodologies between DIM+ and DIM-: 0 ~ 10VDC, or 10V PWM signal or resistance. Multiple power supplies can be connected and synchronized together via the sync terminal. Input voltage between 180 and 254 V AC or 254 and 417 V DC. Dimensions 123.5 x 81.5 x 23 mm. Specific design for constant current controlled LEDs. Degree of protection IP 20 for internal use.