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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RF2340-1AA02 |
| Alternative Part Number | 3RF23401AA02 |
| Manufacturer | Siemens |
| Product Type | Solid-state contactor |
| Design | Single-phase |
| Product Brand Name | SIRIUS |
| Product Function | Zero-point switching |
| Number of Poles | 1 for main current circuit |
| Protection Class IP | IP20 |
| Ambient Operating Temperature | -25 … +60 °C |
| Storage Temperature | -55 … +80 °C |
| Installation Altitude | Up to 1,000 metres above sea level |
| Operating Voltage | 24-230 V AC (50/60 Hz) / 24 V DC |
| Operating Current | 40 A at AC-1 / AC-51 |
| Insulation Voltage | Rated value 600 V |
| Voltage Slew Rate | Maximum permissible 1,000 V/µs |
| Block Voltage | Maximum permissible 800 V |
| Control Supply Voltage | For DC: 15 V initial rated value |
| Control Current | For DC: 15 mA rated value |
| Tightening Torque | Main contacts: 2 … 2.5 N·m |
| Connectable Conductor Cross-section | Main contacts: solid 2x (1.5 ... 2.5 mm²), 2x (2.5 ... 6 mm²) |
| Resistance Against Vibration | According to IEC 60068-2-6: 2g |
| Resistance Against Shock | According to IEC 60068-2-27: 15g / 11 ms |
| Degree of Pollution | 3 |
| Surge Voltage Resistance | Main circuit rated value: 6 kV |
| Shock Resistance | 15g / 11 ms according to IEC 60068-2-27 |
| Vibration Resistance | 2g according to IEC 60068-2-6 |
| Reference Code | Q according to IEC 81346-2 |
The Siemens 3RF2340-1AA02 is a high-quality solid-state contactor designed for seamless integration into various industrial applications. This single-phase unit is part of the SIRIUS product family, renowned for its reliability and efficiency in controlling electric loads. With a zero-point switching function, it ensures minimal electrical noise and extended service life for connected devices.
The contactor is capable of handling a sizeable operational current of 40 A at an ambient temperature of up to 40°C, making it suitable for demanding environments. It operates effectively within a voltage range of 24-230 V AC at 50-60 Hz, and also accommodates a control supply voltage of 24 V DC, providing flexibility for different electrical systems.
Designed with a compact form factor, the 3RF2340-1AA02 features a width of 67.5 mm, a height of 100 mm, and a depth that varies up to 156 mm depending on the product revision, allowing for efficient use of space within electrical cabinets. The contactor can be easily mounted onto a 35 mm standard mounting rail, with both screw and snap-on options available for secure installation.
The unit's screw-type terminals facilitate straightforward and secure connections for both the main current circuit and auxiliary control circuits. It accepts a variety of conductor cross-sections, ensuring compatibility with a wide range of wiring requirements.
With a robust design that includes an insulation voltage rated at 600 V and a surge voltage resistance of the main circuit rated at 6 kV, the 3RF2340-1AA02 is built to withstand challenging industrial conditions. Its shock resistance according to IEC 60068-2-27 and vibration resistance according to IEC 60068-2-6 further attest to its durability.
The Siemens 3RF2340-1AA02 solid-state contactor is an essential component for professionals seeking a reliable and efficient solution for controlling electrical loads in industrial settings.
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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 single-phase AC circuits, providing efficient control for electrical loads.
Can this contactor be used in different voltage ranges?
Yes, it operates effectively within a voltage range of 24 to 230 V AC at 50 Hz and similarly at 60 Hz, making it versatile for various applications.
What is the maximum ambient operating temperature for this contactor?
The contactor is rated for an ambient operating temperature of up to 40 degrees Celsius, ensuring reliable performance within this temperature range.
What type of mounting can be used for this contactor?
It can be mounted using screw and snap-on mounting onto a 35 mm standard mounting rail, which is convenient for installation in control panels.
What is the rated operational current of this contactor?
The contactor has a rated operational current of 40 A at AC-1 at 400 V, suitable for handling moderate to high power loads.
What is the insulation voltage rating for this contactor?
The insulation voltage is rated at 600 V, providing a good level of insulation for the contactor's main circuit.
What type of terminals does this contactor have for the main circuit?
The contactor is equipped with screw-type terminals for the main circuit, which allows for secure and reliable connections.
Is there any specific protection class for this contactor?
Yes, it has a protection class of IP20, which provides protection against solid objects larger than 12.5 mm but not against water.
What is the control supply voltage type for this contactor?
The control supply voltage type for this contactor is DC, which is typical for solid-state devices.
How does the ambient temperature affect the contactor's performance?
The contactor is designed to operate within a specific ambient temperature range. Operating outside of -25 to +60 degrees Celsius during operation or -55 to +80 degrees Celsius during storage may affect its performance and longevity.
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