Manufacturer: Siemens
Type: Communication processor
Model: 6ES73401AH020AE0
Family: SIMATIC S7-300

Rated value (DC)24 V D:  No; Power supply via backplane bus 5V
Input Current: from backplane bus 5 V DC, max. 165 mA
Interface: RS232C
Protection: Explosion Proof
Power Loss: 0.6 … 0.85 W
Connector type: 9-pin sub D connector
Operating Temperature: 0 … 60 °C
Dimensions: 40 X 125 X 120 mm
SC-V3N83764