DRA-40-24 is a 90~264VAC full range input, 40.80W 24Vdc 1.7A DIN Rail power supply designed to be installed on DIN rail TS-35/7.5 or TS-35/15. The unit has a high working efficiency up to 87%, fanless design, cooling by free air convection, -30 to +70C working temperature and incorporates 3 in 1 dimming via 1-10Vdc, PWM signal or resistive dimming options. Other standard features of DRA-40-24 include short circuit, over load and over voltage protections; the unit also carries UL, CUL, TUV, CB and CE approvals and meets IEC60950-1 Limited Power Source (LPS) criteria.