Recently searched

    Siemens Panel Mount Solid State Relay, 20 A Max. Load, 230 V Max. Load, 24 V dc Max. Control

    RS Stock No.:
    472-9042
    Mfr. Part No.:
    3RF2120-1AA02
    Manufacturer:
    Siemens
    Siemens
    View all Solid State Relays
    On back order for despatch 04/05/2023, delivery within 7 working days from despatch date.
    Add to Basket
    units

    Added

    Price (ex. GST) Each

    Was $97.34

    You pay

    $87.61

    (exc. GST)

    $100.75

    (inc. GST)

    unitsPer unit
    1 +$87.61

    Alternatives

    This product is not currently available. Here are our alternative recommendations.

    Siemens Panel Mount Solid State Relay, 30 A Max. Load, 230 V Max. Load, 24 V dc Max. Control
    RS Stock No.
    472-8948

    Price (ex. GST) Each

    Was $90.16

    You pay

    $81.14

    (exc. GST)

    $93.31

    (inc. GST)

    RS Stock No.:
    472-9042
    Mfr. Part No.:
    3RF2120-1AA02
    Manufacturer:
    Siemens
    COO (Country of Origin):
    DE

    Legislation and Compliance

    COO (Country of Origin):
    DE

    Product Details

    3RF21 Series


    Compact space-saving design, 22mm width
    Zero-cross switching
    IP20
    Mount onto existing heatsinks
    Efficient thyristors with high reverse voltage
    Screw connections for fast and simple connection
    Self-contained unit
    Isolation voltage 600Vac
    Frequency 50 / 60Hz

    Note

    Heat sink not included. For load current de-rating and heat sink details see manufacturers datasheet


    Zero Voltage Relays

    Note

    Temperature can affect current rating; please consult the data sheet for potential derating.

    Specifications

    AttributeValue
    Minimum Load Current0.1 A
    Maximum Load Current20 A
    Mounting TypePanel Mount
    Minimum Load Voltage24 V
    Maximum Load Voltage230 V
    Minimum Control Voltage15 V dc
    Maximum Control Voltage24 V dc
    Switching TypeZero Crossing
    Contact ConfigurationSPST
    Terminal TypeScrew
    Output DeviceThyristor
    Maximum Turn On Time1 (+1/2 cycle) ms
    Dimensions22.5 x 48 x 85mm
    Load Voltage Range24 → 230V
    Control Voltage Range15 → 24 V dc
    Depth48mm
    Operating Temperature Range-25 → +60°C
    Maximum Operating Temperature+60°C
    Minimum Operating Temperature-25°C
    Height85mm
    Off State Leakage Current10 mA
    Length22.5mm
    On back order for despatch 04/05/2023, delivery within 7 working days from despatch date.
    Add to Basket
    units

    Added

    Price (ex. GST) Each

    Was $97.34

    You pay

    $87.61

    (exc. GST)

    $100.75

    (inc. GST)

    unitsPer unit
    1 +$87.61

    Alternatives

    This product is not currently available. Here are our alternative recommendations.

    Siemens Panel Mount Solid State Relay, 30 A Max. Load, 230 V Max. Load, 24 V dc Max. Control
    RS Stock No.
    472-8948

    Price (ex. GST) Each

    Was $90.16

    You pay

    $81.14

    (exc. GST)

    $93.31

    (inc. GST)