Mean Well MDR-20-12 power supply, power supply, according to design:din rail mounting, input/output: AC - DC, the nominal input voltage is: 230 V AC, the input voltage range is: 85 - 264 V AC / 120 - 370 V DC, the nominal output voltage is: 12 V DC, nominal output current is: 1,67 A, output power is: 20 VA/W, number of outputs: 1 pair output from terminal block, fault report: dc ok, method of reporting faults: relay output, led, overload protection: short-circuit protected, surge protection: supported, stabilized: supported, cooling: passive.