3RF2320-1AA44

The Siemens SIRIUS 3RF2320 single-phase solid-state contactor, AC-51 rated current 20A, load voltage 48 to 460V AC (50/60Hz), requires only 4 to 30V DC low voltage signal to drive, screw terminal wiring, low power consumption of approximately 0.6 watts, suitable for DIN rail mounting in control boxes.

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Siemens SIRIUS 3RF2320-1AA44 Single-phase solid-state contactor, low-voltage control, 20A

Product Positioning

The Siemens SIRIUS 3RF2320-1AA44 is a single-phase solid-state contactor that requires only a low-voltage signal of 4 to 30V DC and can be used with a load voltage range of 48 to 460V AC. It is suitable for DIN rail mounting in general industrial control boxes.

Core Product Advantages and Features

4 to 30V DC low voltage control

The control input voltage only needs to be 4 to 30V DC, and it can be directly used with a variety of low-voltage control signals or sensor outputs.

Low power design

With a power loss of only about 0.6 watts and low heat generation, it helps extend service life and reduce the burden of heat dissipation.

AC-51 20A rated current

The load voltage ranges from 48 to 460V AC (50/60Hz), suitable for controlling a variety of resistive and inductive loads.

DIN rail mounting

It adopts a standard 35mm DIN rail mounting method and is equipped with screw terminal wiring, making installation and maintenance very convenient.

project	Specification
Number of phases	Single-phase (1-phase)
Rated current AC-51	20 A
Load voltage range	48...460 V AC, 50/60Hz
Control voltage	4...30 V DC
Terminal type	Screw terminals
Power loss	Approximately 0.6 W

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