Manufacturer: Siemens
Type: Auxiliary Contact Block
Model: 3RV1901-1A

Voltage: 240 V
Current: 10 A
Frequency: 50 Hz
Insulation Voltage: 690 V
Contact Configuration: 1 Normally Open, 1 Normally Close
Contact Voltage: 24 V AC/DC, 220 … 230 V AC/DC, 690 V AC
Contact Current: 2 … 0.25 A (DC), 6 … 1 A (AC), 10 A (AC)
Mounting Type: Plug-In Fixing
Electrical Connection: Screw Type Terminal 
Operating Temperature: -20 … 60 °C
Degree of protection: IP20
Dimensions: 9.5 X 90 X 70 mm