The Siemens SIRIUS 3RH21 is a type of control relay used in industrial applications.
The Siemens SIRIUS 3RH21 is a type of control relay used in industrial applications. It is designed for reliable switching of control circuits and is available in different configurations, including screw or cage clamp terminal versions. These relays are based on the S00 frame size and offer high contact reliability at low voltages and currents.
Contacts:3 Normally Open (NO) + 1 Normally Closed (NC)
