3RF2320-3AA04
The Siemens SIRIUS 3RF2320 single-phase solid-state contactor, AC-51 rated current 20A, load voltage range 48 to 460V AC, control voltage 15 to 24V DC, uses ring terminal wiring and has a built-in heat sink, suitable for resistive and inductive load control applications requiring no mechanical contacts and silent switching.
Product Positioning
The Siemens SIRIUS 3RF2 solid-state contactor series uses semiconductor elements instead of mechanical contacts for switching. This model is a single-phase 20A specification, with a control voltage of 15 to 24V DC and a ring terminal wiring design.
Core Product Advantages and Features
Contactless semiconductor switching
By replacing traditional mechanical contacts with semiconductor components, there is no electric arc or noise during switching, which greatly extends the service life.
AC-51 20A rated current
The single-phase rated current is 20A, and the load voltage ranges from 48 to 460V AC, making it suitable for a variety of resistive and inductive loads.
15 to 24V DC control voltage
The control input voltage range is 15 to 24V DC, and it can be directly used with the output signals of a PLC or controller.
Built-in heat sink design
The device has built-in heat sinks and can be mounted on a DIN rail for easy installation and heat dissipation within the control box.
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3RF2320-2AA04
The Siemens SIRIUS 3RF2320 single-phase solid-state contactor employs zero-crossing switching technology to reduce electrical interference during switching. It has a rated current of 20A (AC-51), a load voltage of 48 to 460V AC, a control voltage of 15 to 24V DC, and spring-clamp terminals for screwless quick installation. It has a response time of only 1 millisecond and an IP20 protection rating.
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