8030-ROM-221. Symax Class 8030 Type ROM-221 16 Function 120 VAC Output Module. Optical isolation. 2500 V RMS rating. Four fuses, 5A Buss MTH. Red LED illuminated when receiving \"ON\" signal from processor. Red LED illuminated when a blown fuse is detected (one for each group of four inputs). Maximum continuous current is 2 Amps per output, 4 Amps per 4 outputs, 16 Amps per module. Maximum inrush current is 25 Amps for 3 cycles at 50/60Hz, no more than once every 10 seconds. Turn on/off time: 8 ms Nominal.