Siemens 3RH1122-1BC40 Contactor Relay - 2 NO, 2 NC, 30V DC
Siemens 3RH1122-1BC40 contactor relay, 2 NO/2 NC, 30V DC.
The Siemens 3RH1122-1BC40 is a contactor relay designed for DC control circuits. It features 2 Normally Open (NO) and 2 Normally Closed (NC) contacts, with a 30V DC coil voltage. This relay uses screw terminals for connections and is part of the S00 size range. It is important to note that this is a phased-out product, and the SIRIUS 3RH2 series is its successor.
This DC contactor relay is typically used in control applications that require a 30V DC control signal, such as in specific automation systems, battery-powered equipment, or specialized control panels. Its role is to provide reliable switching for auxiliary functions within these circuits.
Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RH1122-1BC40. While this is a discontinued item, we can assist in sourcing it or recommend compatible alternatives from the newer SIRIUS 3RH2 series.
| Type | Contactor Relay |
| Contacts | 2 NO + 2 NC |
| Coil Voltage | 30V DC |
| Terminal Type | Screw Terminal |
| Size | S00 |
| Status | Phased-out product |