Vitrum Inputs – Outputs Multifunctional Module 3 In – 2 Out 10A Relay 0KF030010 Universal DIN RAIL Module 4 in – 4 out Plus 0KD040032 Universal DIN RAIL Module 4 in – 4 out Plus + SD card 0KD040032s Universal DIN RAIL Module 8 in – 8 out plus 0KD080032 Universal DIN RAIL Module 8 in – 8 out plus + SD card 0KD080032s Universal DIN RAIL Module 16 in – 16 out plus 0KD160032 Universal DIN RAIL Module 16 in – 16 out + SD card 0KD160032s