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Siemens 3RH2122-2BB40 Auxiliary Contactor Relay

Siemens 3RH2122-2BB40 Auxiliary Contactor Relay

Siemens 3RH2122-2BB40 Auxiliary Contactor Relay

  • Item NO.:

    3RH2122-2BB40
  • Market Price:

    $860
  • Product Origin:

    Germany
  • Color:

    NEW
  • Product weight:

    0.01KG
  • Lead Time:

    In stock

We will arrange delivery within 3-5 days after receiving the payment.

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    •  
                                                      • Siemens 3RH2122-2BB40

                                                        SIRIUS 3RH2 Auxiliary Contactor Relay (2NO + 2NC, 24 VDC, Spring Terminals)

                                                        Manufacturer: Siemens
                                                         
                                                        Model: 3RH2122-2BB40
                                                         
                                                        Series: SIRIUS 3RH2
                                                         
                                                        Type: Auxiliary Contactor Relay (Control Relay)
                                                        image
                                                         

                                                        Specifications

                                                        • Coil Voltage: 24 V DC
                                                        • Contact Configuration: 2 NO (Normally Open) + 2 NC (Normally Closed)
                                                        • Rated Operational Current (AC-15):
                                                          • 10 A @ 230 V AC
                                                          • 3 A @ 400 V AC
                                                        • Rated Insulation Voltage (Ui): 690 V AC
                                                        • Rated Impulse Voltage (Uimp): 6 kV
                                                        • Terminal Type: Spring‑loaded (push‑in)
                                                        • Mounting: DIN rail (TH35) or surface mount
                                                        • Size: S00
                                                        • Protection Class: IP20
                                                        • Operating Temperature: −25 °C to +60 °C
                                                        • Dimensions (W×H×D): 45 × 70 × 73 mm
                                                        • Mechanical Life: Up to 30 million operations (no load)
                                                        • Power Consumption: ~4 W (coil)

                                                        Key Features

                                                        1. Compact S00 size – saves panel space.
                                                        2. Spring‑loaded terminals – fast, tool‑free wiring, vibration‑resistant.
                                                        3. 4 auxiliary contacts (2NO+2NC) – flexible for control and interlocking circuits.
                                                        4. Wide voltage & temperature range – suitable for industrial environments.
                                                        5. RoHS compliant – meets environmental directives.

                                                        Applications

                                                        • Industrial control and interlocking circuits
                                                        • PLC output expansion and signal multiplication
                                                        • Motor control panels, HVAC, and automation systems
                                                        • Safety and auxiliary circuit monitoring

The structure and details of the product:

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