steve
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Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
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3RF2420-1AC45
Siemens 3RF2420-1AC45 available at EU Automation. Get in touch today for a quick price.
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Siemens 3RF2420-1AC45 is a high-quality solid-state contactor designed for seamless integration into various industrial applications. This robust component is engineered to facilitate three-phase control, ensuring reliable and efficient operation in demanding environments. With a current rating of 22 A and an operational voltage range of 48 to 600 V AC at 50/60 Hz, it is well-suited for a wide array of electrical systems.
Crafted with precision, the 3RF2420-1AC45 boasts zero-point switching functionality, which minimises electrical noise and enhances the longevity of the system by reducing stress on electrical contacts during operation. The contactor's power loss is optimised for efficiency, with a typical loss of 0.9 W without load current share, ensuring that the device operates economically.
The unit's insulation voltage is rated at 600 V, and it is built to withstand surge voltages up to 6 kV, providing a robust defence against voltage spikes. The solid-state contactor is also designed to resist mechanical stresses, certified with a shock resistance of 15g in accordance with IEC 60068-2-27 and a vibration resistance of 2g as per IEC 60068-2-6, ensuring stable performance even in environments subject to physical disturbances.
For ease of installation, the 3RF2420-1AC45 features a screw and snap-on mounting design compatible with a 35 mm standard mounting rail, allowing for quick and secure installation. The device's dimensions are compact, with a height of 100 mm, a width of 112 mm, and a depth of 90 mm, making it suitable for integration into systems where space is at a premium.
The contactor's front protection class is IP20, indicating that it is protected against solid objects larger than 12.5 mm, such as fingers, ensuring safety during operation and maintenance. The ambient operating temperature range of -25 to +60 °C and storage temperature range of -55 to +80 °C make it versatile for use in a variety of climatic conditions.
Overall, the Siemens 3RF2420-1AC45 solid-state contactor is a reliable and efficient solution for industrial applications requiring precise control and robust performance. Its design and technical specifications make it a valuable component for those seeking to enhance their electrical systems' capabilities.
Crafted with precision, the 3RF2420-1AC45 boasts zero-point switching functionality, which minimises electrical noise and enhances the longevity of the system by reducing stress on electrical contacts during operation. The contactor's power loss is optimised for efficiency, with a typical loss of 0.9 W without load current share, ensuring that the device operates economically.
The unit's insulation voltage is rated at 600 V, and it is built to withstand surge voltages up to 6 kV, providing a robust defence against voltage spikes. The solid-state contactor is also designed to resist mechanical stresses, certified with a shock resistance of 15g in accordance with IEC 60068-2-27 and a vibration resistance of 2g as per IEC 60068-2-6, ensuring stable performance even in environments subject to physical disturbances.
For ease of installation, the 3RF2420-1AC45 features a screw and snap-on mounting design compatible with a 35 mm standard mounting rail, allowing for quick and secure installation. The device's dimensions are compact, with a height of 100 mm, a width of 112 mm, and a depth of 90 mm, making it suitable for integration into systems where space is at a premium.
The contactor's front protection class is IP20, indicating that it is protected against solid objects larger than 12.5 mm, such as fingers, ensuring safety during operation and maintenance. The ambient operating temperature range of -25 to +60 °C and storage temperature range of -55 to +80 °C make it versatile for use in a variety of climatic conditions.
Overall, the Siemens 3RF2420-1AC45 solid-state contactor is a reliable and efficient solution for industrial applications requiring precise control and robust performance. Its design and technical specifications make it a valuable component for those seeking to enhance their electrical systems' capabilities.
| Specification | Description |
|---|---|
| Part Number | 3RF2420-1AC45 |
| Alternative Part Number | 3RF24201AC45 |
| Manufacturer | Siemens |
| Category | General Automation |
| Product Type | Solid-state contactor |
| Control Type | Three-phase controlled |
| Operating Voltage | 48 to 600 V AC at 50/60 Hz |
| Control Supply Voltage | 4 to 30 V DC |
| Operational Current | 20 A at AC-1/AC-51 at 400 V |
| Blocking Voltage | 1200 V |
| Power Loss | 66 W in hot operating state, 22 W per pole, typical 0.9 W without load current share |
| Insulation Voltage | Rated value 600 V |
| Degree of Pollution | 3 |
| Surge Voltage Resistance | Main circuit rated value 6 kV |
| Shock Resistance | According to IEC 60068-2-27 15g / 11 ms |
| Vibration Resistance | According to IEC 60068-2-6 2g |
| Reference Code | According to EN 61346-2 Q, IEC 81346-2 Q |
| Number of Poles | 3 for main current circuit |
| Number of NO Contacts | 3 for main contacts |
| Number of NC Contacts | 0 for main contacts |
| Operating Frequency | Rated value 50 ... 60 Hz, relative symmetrical tolerance of 10 % |
| Operating Range | Relative to the operating voltage at AC 40 ... 660 V at 50 Hz, 40 ... 660 V at 60 Hz |
| Dimensions (H x W x D) | 100 mm x 112 mm x 90 mm |
| Protection Class | IP20 |
| Mounting | Screw and snap-on mounting on 35 mm DIN rail |
| Connection Type | Screw connection for main current circuit |
| Terminal Screw Type | M4 for main contacts, M3 for auxiliary and control contacts |
| Tightening Torque | Main contacts: 2 … 2.5 N·m, Auxiliary and control contacts: 0.5 … 0.6 N·m |
| Stripped Length of Cable | 7 mm for main, auxiliary, and control contacts |
| Ambient Temperature | Operating: -25 ... +60 °C, Storage: -55 ... +80 °C |
| Installation Altitude | Maximum 1,000 m above sea level |
| Commodity Code | 853649 |
What is the function of a solid-state contactor?
A solid-state contactor is designed to switch electric circuits on and off using semiconductor components. Unlike electromechanical contactors, it operates without moving parts, providing faster switching, reduced wear, and often a longer service life. It's commonly used in applications requiring high switching frequencies and precise control.
Can this solid-state contactor be used for three-phase applications?
Yes, the Siemens 3RF2420-1AC45 is specifically designed for three-phase applications, providing efficient and reliable switching for three-phase loads.
What is the maximum operating voltage for this contactor?
The maximum operating voltage for this contactor is 600 V at AC, with an operating frequency rated at 50 to 60 Hz.
What type of control voltage is required for this contactor?
This contactor requires a DC control voltage, with a range of 4 to 30 V DC to operate effectively.
What is the rated operational current of this contactor?
The rated operational current for this contactor at AC-51 is 22 A.
What are the dimensions of this solid-state contactor?
The dimensions of the contactor are 100 mm in height, 112 mm in width, and 90 mm in depth.
What type of terminals does this contactor have for wiring?
This contactor is equipped with screw terminals for secure and reliable wiring connections.
What is the IP rating of this contactor?
The contactor has an IP20 rating, indicating protection against solid objects larger than 12.5 mm but not against water.
What is the significance of zero-point switching in solid-state contactors?
Zero-point switching in solid-state contactors means that the device switches on or off at the zero voltage crossing point of the AC power cycle. This helps to minimize electrical noise and reduce stress on the contactor, leading to smoother operation and potentially longer lifespan.
Is there any specific ambient temperature range for operating this contactor?
The contactor is designed to operate within an ambient temperature range of -25 to +60 degrees Celsius, ensuring reliable performance within these temperature limits.
- Controlling heating elements in industrial furnaces
- Switching of lighting systems in commercial buildings
- Managing motors in conveyor belt systems
- Regulating transformers in power distribution units
- Operating solenoid valves in fluid control systems
- Managing resistive loads in industrial ovens
- Controlling silicon-controlled rectifiers (SCRs) in power regulators
- Switching of electric heaters in plastic processing machinery
- Regulating power in control panels for factory automation
- Operating electromagnetic devices in packaging machines
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
2 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
2 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
2 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
3 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
4 months ago
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