The Siemens 3RH2422-1AP00 is a SIRIUS latched contactor relay designed for reliable switching and latching operations in industrial control and automation systems. Featuring 2 Normally Open (2NO) and 2 Normally Closed (2NC) contacts, this compact S00 frame relay maintains its switching position after the control signal is removed, eliminating the need for continuous coil energization and reducing power consumption. It operates with a 230V AC, 50/60 Hz coil and is equipped with screw terminals for secure wiring and easy installation.
The relay is ideal for applications requiring maintained switching states, such as lighting control, machine automation, process control, and energy management systems. Built to Siemens' renowned SIRIUS quality standards, the 3RH2422-1AP00 offers high switching reliability, long mechanical life, and dependable performance in demanding industrial environments. It supports both DIN rail and screw mounting, making it suitable for control panels, OEM equipment, PLC systems, and motor control applications.
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Part Number | 3RH2422-1AP00 |
| Product Series | SIRIUS 3RH2 |
| Product Type | Latched Contactor Relay |
| Frame Size | S00 |
| Contact Configuration | 2 NO + 2 NC |
| Coil Type | AC Coil |
| Coil Voltage | 230 V AC, 50/60 Hz |
| Connection Type | Screw Terminals |
| Mounting | DIN Rail or Screw Mount |
| Rated Insulation Voltage | 690 V |
| Surge Withstand Voltage | 6 kV |
| Front Protection | IP20 |
| Mechanical Service Life | Up to 5 Million Operating Cycles |
| Application | Control, Latching & Auxiliary Switching |
| Standard | IEC 60947 |
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