Siemens 20 A SPNO Solid State Relay, Zero Crossing, Chassis Mount, Thyristor, 460 V Maximum Load

  • RS Stock No. 472-8976
  • Mfr. Part No. 3RF2020-1AA04
  • Manufacturer Siemens
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

3RF20 Series

Self-contained unit
Zero-cross switching
IP20
Efficient thyristors with high reverse voltage
Screw connections for fast and simple connection
Compact and space-saving design, 45mm wide
Frequency 50 / 60Hz
Isolation voltage 600Vac

Note

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

//media.rs-online.com/t_line/LD472895-01.jpg

Zero Voltage Relays

Note

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

Specifications
Attribute Value
Minimum Load Current 0.1 A
Maximum Load Current 20 A
Mounting Type Panel Mount
Minimum Load Voltage 230 V
Maximum Load Voltage 460 V
Minimum Control Voltage 15 V dc
Maximum Control Voltage 24 V dc
Switching Type Zero Crossing
Contact Configuration SPNO
Terminal Type Screw
Output Device Thyristor
Maximum Turn On Time 1 (+1/2 cycle) ms
Dimensions 45 x 48 x 57.6mm
Control Voltage Range 15 → 24 V dc
Load Voltage Range 230 → 460V
Depth 48mm
Maximum Operating Temperature +60°C
Minimum Operating Temperature -25°C
Height 57.6mm
Operating Temperature Range -25 → +60°C
Length 45mm
Off State Leakage Current 10 mA
1 In stock for delivery within 7 working day(s)
Price (ex. GST) Each
$ 99.47
(exc. GST)
$ 114.39
(inc. GST)
units
Per unit
1 - 2
$99.47
3 - 4
$90.78
5 +
$85.33
Related Products
This device regulates the speed of an on/off ...
Description:
This device regulates the speed of an on/off pulse. Provides a smooth proportional control that minimizes electrical noise by utilizing zero-cross detection and switching, firing only complete AC cycles. Specialized Phase Detection Circuitry allows the MCBC to be connected to ...
Includes 3 separate synchronous static relays (SSR), with ...
Description:
Includes 3 separate synchronous static relays (SSR), with common constant control.Can control three-phase alternative network charges of 24 to 400 V ac. Low leakage current.High immunity.Compact.Supplied with connectors.
Single phase currents up to 50A AC can ...
Description:
Single phase currents up to 50A AC can be switched2 voltage ranges available both with 24Vdc control voltage Isolation voltage; 600Vac. Blocking voltage 800Vac (24-230Vac version), 1200Vac (48-460Vac version)LED status indicator. Zero point switching for resistive loads. Switching currents rated ...
Complete unit comprising solid state relay and optimised ...
Description:
Complete unit comprising solid state relay and optimised heat sinkIP20 rating. Optimised heat transfer by DCB technology. Efficient thyristors with high reverse voltage. Screw connections for fast and simple connection. Isolation voltage 600 Vac. Frequency 50/60 Hz.