Siemens 6ES7153-1AA03-0XB0

Specifications:

Dimensions
Width : 40 mm
Height:  125 mm
Depth:  117 mm
Weight: approx. 360 g

Supply voltage
Rated value (DC):  24 V
permissible range, lower limit (DC): 20.4 V
permissible range, upper limit (DC) : 28.8 V
external protection for power supply lines
(recommendation): not necessary