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Siemens
3RF2320-1AA45
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Check similar products or call us on +44 20 4570 3439 for assistance
This part is currently sold out
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RF2320-1AA45 |
| Alternative Part Number | 3RF23201AA45 |
| Manufacturer | Siemens |
| Product Type | Solid-state contactor |
| Number of Poles | 1 Pole |
| Contact Configuration | 1NO (1 Normally Open) |
| Rated Operational Current | 20 A |
| Operating Voltage Range | 48 to 600 V ac |
| Blocking Voltage | 1200 V |
| Control Supply Voltage | 4 to 30 V DC |
| Insulation Voltage | Rated at 600 V |
| Product Function | Zero-point switching |
| Protection Class | IP20 |
| Ambient Operating Temperature | -25 to +60 °C during operation, -55 to +80 °C during storage |
| Installation Altitude | Up to 1000 m above sea level |
| Vibration Resistance | According to IEC 60068-2-6, 2g |
| Shock Resistance | According to IEC 60068-2-27, 15g / 11 ms |
| Commodity Code | 853649 |
| Special Features | Suitable for resistive and inductive loads, with integrated heat sink for efficient cooling |
The Siemens 3RF2320-1AA45 is a high-quality solid-state contactor designed for efficient and reliable switching in industrial applications. This robust component is engineered to handle a 1-pole configuration with a single normally open (NO) contact, making it a versatile choice for various control systems. It boasts a substantial 20 A operating current at AC-51 and can accommodate an operating voltage range of 48 to 600 V AC, ensuring compatibility with a wide array of electrical setups.
Crafted with precision, the 3RF2320-1AA45 features zero-point switching to minimise electrical noise and wear on the system, contributing to a longer service life and stable operation. The contactor's blocking voltage is rated at an impressive 1200 V, providing an extra layer of protection against voltage spikes and ensuring the durability of the device.
The unit is designed with an IP20 protection class, signifying a solid level of protection against solid objects, which helps to maintain its integrity in various working environments. Its compact dimensions and screw terminal connection facilitate easy installation and maintenance, while the ability to mount on a 35 mm DIN rail offers added convenience and flexibility in system design.
With its ability to operate within a wide ambient temperature range, from -25 to +60 degrees Celsius, the Siemens 3RF2320-1AA45 is suitable for use in diverse environmental conditions, ensuring reliable performance even in demanding situations. Whether used in heating control systems, motor control circuits, or lighting systems, this solid-state contactor is a dependable solution for modern industrial automation needs.
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Frequently Asked Questions
What is the function of a solid-state contactor?
A solid-state contactor, such as the Siemens 3RF2320-1AA45, is an electronic switching device that controls power to a load without moving parts. It uses semiconductor components to switch the circuit on or off, providing fast and reliable operation with minimal wear and tear.
Can this contactor be used for heavy-duty industrial applications?
Yes, the Siemens solid-state contactor is designed for industrial applications and can handle significant load currents up to 20 A, making it suitable for heavy-duty use.
What type of load can this contactor control?
The Siemens solid-state contactor is suitable for controlling resistive loads such as heaters and can also be used with inductive loads, provided the specifications of the contactor match the requirements of the load.
What is the maximum operating voltage for this contactor?
The maximum operating voltage for this contactor is 600 V AC, which allows it to be used in a wide range of applications.
Is there any special protection against short circuits for this contactor?
While the contactor itself is robust, it is recommended to use appropriate fuses or circuit breakers in conjunction with the contactor to ensure protection against short circuits.
What is the significance of the blocking voltage rating?
The blocking voltage rating of 1200 V indicates the maximum voltage that the contactor can withstand without conducting in the off state. This provides a measure of the contactor's ability to handle overvoltage conditions.
How does the ambient temperature affect the contactor's performance?
The contactor is designed to operate within a specific temperature range, typically -25 to +60 degrees Celsius. Operating outside this range can affect performance and longevity, so it's important to consider the operating environment.
What is the insulation voltage rating?
The insulation voltage rating is 600 V, which refers to the voltage that the contactor's insulation can withstand. This is an important safety feature that helps prevent electrical shock and equipment damage.
How does the zero-point switching function work?
Zero-point switching means that the contactor activates or deactivates the load at the zero point of the AC voltage waveform. This reduces electrical noise and stress on the load, leading to a longer lifespan for both the contactor and the controlled device.
Can this contactor be used with both AC and DC control circuits?
The Siemens 3RF2320-1AA45 is designed to be used with a DC control circuit, specifically within a range of 4 to 30 V DC.
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