What it is and where it fits
The Siemens 6ES7408-1TB00-0XA0 is a fan module for the SIMATIC S7-400 rack with 18 slots, accepting 120 V AC or 230 V AC supply. It draws a typical inrush current of 0.6 A at 230 V AC and 1.15 A at 120 V AC, with a maximum power loss of 20 W. The relay coil is rated at 24 V DC, and the module handles resistive loads up to 200 mA. Frequency range is 47 Hz to 63 Hz.
