Siemens 6ES72121HE400XB0Product Attribute Attribute Value Controller Type I O Dimensions 90 x 100 x 75 mm Input Current 400 mA Input Type Digital Number of Inputs 8 Number of Outputs 6 Output Type Relay Series S7 1200 Series Supply Voltage 24 VDC Temperature Operating Range 20 to 60 C C UPC Code 887621769031 Overview Siemens SIMATIC S7 1200 Series CPU The Basic Controller All in one! The new modular SIMATIC S7 1200 controller is at the core of our new offering for simple but