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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RF2320-1AA04 |
| Alternative Part Number | 3RF23201AA04 |
| Manufacturer | Siemens |
| Product Type | Solid-state contactor |
| Number of Poles | 1 |
| Operating Current | 20 A at AC-1 / AC-51 |
| Operating Voltage | 48 to 460 V at AC (50/60 Hz), Working area: 40 to 506 V at AC |
| Control Supply Voltage | 24 V DC |
| Insulation Voltage | Rated at 600 V |
| Ambient Operating Temperature | -25 to +60 °C during operation |
| Storage Temperature | -55 to +80 °C |
| Installation Altitude | Up to 1,000 m above sea level |
| Resistance to Vibration | According to IEC 60068-2-6, 2g |
| Resistance to Shock | According to IEC 60068-2-27, 15g / 11 ms |
| Protection Class | IP20 |
| Product Function | Zero-point switching |
| Active Power Loss | Total typical 20 W |
| Control Circuit Type | DC |
| Tightening Torque | Main contacts: 2 to 2.5 N·m, Control contacts: 4.5 to 5.3 lbf·in |
| Connection Type | Screw-type terminals |
| Commodity Code | 853649 |
The Siemens 3RF2320-1AA04 is a high-quality solid-state contactor designed for efficient and reliable switching of electrical loads in industrial applications. This single-phase contactor is part of the SIRIUS product family, renowned for its durability and performance. It features zero-point switching to minimise electrical noise and wear on the device, ensuring a longer operational lifespan.
With a rated operational current of 20 A at AC-51 and an operating voltage range of 48 to 460 V at AC, this contactor can handle significant power requirements. It operates at a control supply voltage of 24 V DC, making it compatible with a wide range of control circuits. The 3RF2320-1AA04 is designed for easy installation with screw and snap-on mounting options onto a standard 35 mm mounting rail, allowing for side-by-side mounting without derating.
The device boasts an insulation voltage rated at 600 V and is equipped with a single normally open (NO) contact for main current circuit control. It is built to withstand challenging industrial environments with an ambient operating temperature range of -25 to +60 °C and storage temperatures ranging from -55 to +80 °C. The contactor's robust construction ensures resistance to vibrations and shocks, complying with IEC standards for both.
This solid-state contactor is also designed with safety in mind, featuring an IP20 protection class rating, which provides a degree of protection against solid objects. Its compact dimensions, with a width of only 22.5 mm, make it an ideal choice for applications where space is at a premium.
The Siemens 3RF2320-1AA04 solid-state contactor is a reliable and efficient solution for controlling electrical loads, providing precise operation and a high level of performance for a wide range of industrial applications.
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Frequently Asked Questions
What is the function of this solid-state contactor?
The solid-state contactor is designed for zero-point switching in industrial applications, providing reliable switching and control of power for resistive and inductive loads.
Can this contactor be used for single-phase applications?
Yes, this solid-state contactor is specifically designed for single-phase applications.
What is the maximum operating current for this contactor?
The maximum operating current for the contactor is 20 A at AC-51 utilisation category.
What is the range of operating voltage for this contactor?
The operating voltage range for this contactor is 48 to 460 V at AC, with a frequency of 50 to 60 Hz.
What type of terminals does this contactor have?
This contactor is equipped with screw terminals for secure and reliable connections.
What is the insulation voltage rating of this contactor?
The insulation voltage rating of this contactor is 600 V.
What is the ambient temperature range for operating this contactor?
The ambient temperature range for operating this contactor is from -25 to +60 degrees Celsius.
What is the protection class of this contactor?
The protection class of this contactor is IP20, providing a basic level of protection against solid objects.
What accessories can be ordered with this contactor?
Accessories that can be ordered with this contactor include a terminal cover, converter, load monitoring, and load monitoring basis.
What is the power loss of this contactor in a hot operating state?
The power loss for this contactor in a hot operating state is typically 20 W.
Part conditions explained
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Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
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