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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RF2350-1AA06 |
| Alternative Part Number | 3RF23501AA06 |
| 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 | Maximum 1,000 m above sea level |
| Operating Voltage at AC | 48-600 V (at 50 Hz and 60 Hz rated value) |
| Control Supply Voltage | 24 V DC |
| Operational Current at AC-51 | Rated value 50 A |
| Insulation Voltage | Rated value 600 V |
| Surge Voltage Resistance | Rated value 6 kV |
| Shock Resistance | 15g / 11 ms (acc. to IEC 60068-2-27) |
| Vibration Resistance | 2g (acc. to IEC 60068-2-6) |
| Power Loss | 54 W for rated value of the current at AC in hot operating state |
| Control Current | 15 mA for DC rated value |
| Tightening Torque for Main Contacts | 18 … 22 lbf·in with screw-type terminals |
| Connection Screw Design | M4 for main contacts |
| Conductor Cross-section | Solid: 2x (1.5 ... 2.5 mm²), 2x (2.5 ... 6 mm²); Finely stranded with end processing: 1x 10 mm² |
| Electromagnetic Compatibility | Compliance with IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6 |
| Short-circuit Protection | Fuse link recommendations provided |
| Certificates/Approvals | General Product Approval, EMC Declaration of Conformity |
The Siemens 3RF2350-1AA06 is a high-quality solid-state contactor designed for seamless integration into a wide range of industrial applications. This robust component is part of the SIRIUS product family, renowned for its reliability and performance in automating processes. With a single-phase design, it offers zero-point switching to minimise electrical noise and enhance operational longevity.
Engineered to handle a rated operational current of 50 A at AC-51 and an insulation voltage of 600 V, the 3RF2350-1AA06 is capable of managing significant power loads while maintaining precise control. Its operational voltage range at AC spans from 48 to 600 V, making it versatile for various circuit requirements. The contactor is also equipped to withstand surge currents up to 1150 A, ensuring durability and stability during peak conditions.
The unit's control supply voltage operates on DC, with a rated value of 30 V and a control current at DC rated value of 15 mA, providing a responsive and efficient control circuit. The compact design allows for convenient screw and snap-on mounting onto a 35 mm standard mounting rail, facilitating easy installation and maintenance.
With an ambient operating temperature range of -25 to +60 °C and storage temperature capabilities from -55 to +80 °C, the 3RF2350-1AA06 is built to perform reliably in diverse environmental conditions. Its IP20 protection class ensures a degree of protection against solid objects, adding to its operational safety.
The Siemens 3RF2350-1AA06 solid-state contactor is a testament to Siemens' commitment to quality and innovation, offering a dependable solution for industrial automation needs.
Commonly Asked Questions
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Frequently Asked Questions
What is the function of a solid-state contactor?
A solid-state contactor is designed to switch electrical power circuits on and off. It uses semiconductor devices to perform the switching operation without the use of mechanical components, providing fast and reliable control of electrical loads.
Can this solid-state contactor be used for high-frequency applications?
Yes, the solid-state contactor is suitable for high-frequency applications due to its semiconductor switching elements, which allow for rapid switching without the mechanical wear and tear associated with traditional contactors.
What type of load can the solid-state contactor handle?
The solid-state contactor is capable of handling AC loads and is rated for use in applications requiring up to 50 A at AC-51, making it suitable for a variety of industrial applications.
Is there any special installation requirement for this contactor?
The contactor should be installed on a 35 mm standard mounting rail with screw and snap-on mounting. It is important to ensure proper tightening torque for the connection screws and to follow all safety guidelines during installation.
What is the operating voltage range for this contactor?
The operating voltage range for the contactor is 48 to 600 V at 50 Hz and 60 Hz, making it versatile for different power supply systems.
How does ambient temperature affect the contactor?
The contactor can operate within an ambient temperature range of -25 to +60 degrees Celsius. However, it is important to note that the performance may be derated at higher temperatures.
What is the insulation voltage rating of the contactor?
The insulation voltage rating of the contactor is 600 V, which indicates the maximum voltage the insulation can withstand.
What type of protection does the contactor offer?
The contactor offers IP20 protection class on the front, providing a degree of protection against solid objects but not against liquids.
What is zero-point switching and how does it benefit the contactor's operation?
Zero-point switching refers to the contactor's ability to switch on or off at the zero point of the AC voltage waveform. This reduces electrical noise and stress on the contactor, leading to a longer service life and reduced electromagnetic interference.
Can the contactor be used at different altitudes?
Yes, the contactor can be used at altitudes up to 1,000 meters above sea level without derating. For installations at higher altitudes, it is important to consider the impact on cooling and derating factors.
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