Rexroth HED2 OA21/63 Pressure Switch

Manufacturer: REXROTH
Type: Pressure Switch with Fixed Switching Pressure Differential
Model: HE D 2 OA21/63 

Viscosity range: 10 to 800 mm2/s
max Pressure Rating: 63 bar
Operating Pressure Range: 0…63 bar
Supply Voltage: 250 V AC,40 V DC
Ambient temperature: -30 … +50 °C
Connection size: G1/4