Mean Well SD-50B-12 DC/DC converter, converter, dc/dc converter, according to design:built-in, input/output: DC - DC, the nominal input voltage is: 19 - 36 V DC, the input voltage range is: 19 - 36 V DC, the nominal output voltage is: 12 V DC, nominal output current is: 4,2 A, output power is: 50,4 VA/W, number of outputs: 1 pair output from terminal block, fault report: , method of reporting faults: , protection against reverse polarity: , overload protection: short-circuit protected, surge protection: , deep discharge protection: , stabilized: supported, IP rating level: , cooling: passive.