PS12-050D Switching power supply, 12 VDC, 4A (50W) output. PS12-050D Switching power supply, 12 VDC, 4A (50W) output.  Ref: PS12-050D
DIN rail mounting, metal case with pluggable terminal connector, 93-264 VAC input, constant current short circuit protection, UL508, 1950 & CE.