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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT1046-1AL20 |
| Alternative Part Number | 3RT10461AL20 |
| Manufacturer | Siemens |
| Voltage Rating | 230 V ac |
| Power Rating | 114 kW |
| Current Rating | 120 A |
| Number of Poles | 3 Poles |
| Contactor Size | Size S3 |
| Operating Temperature Range | -25 … +60 °C |
| Insulation Voltage | Rated at 1,000 V |
| Pollution Degree | 3 |
| Installation Altitude | Up to 2,000 metres above sea level |
| Mechanical Operating Cycles | Typically 10,000,000 |
| Protection Class | IP20 on the front |
| Surge Voltage Resistance | Rated value 6 kV |
| Control Circuit Voltage Type | AC |
| Operating Current at AC-1 | 120 A at 400 V (at 40 °C ambient temperature) |
| Operating Current at AC-3 | 95 A at 400 V |
| Operating Current at AC-4 | 80 A at 400 V |
| Commodity Code | 853649 |
The Siemens 3RT1046-1AL20 is a robust power contactor designed to handle high power switching applications with ease. Engineered for reliability and efficiency, this contactor is a perfect fit for controlling motors and managing loads in industrial environments. With a 230 V ac operating voltage and an impressive 114 kW switching capacity at 400 V, it can comfortably manage 120 A, making it suitable for a wide range of demanding applications.
This three-pole contactor is part of the SIRIUS product family, known for its high-quality construction and dependable performance. The size S3 frame of the 3RT1046-1AL20 ensures it is compact enough for standard installations while still delivering the power needed for heavy-duty operations. The screw terminal connections provide a secure and reliable means of integrating the contactor into existing systems.
The contactor's design includes features that ensure it can operate effectively within a broad range of ambient temperatures, making it versatile for various industrial settings. Its mechanical service life is rated at millions of operating cycles, which speaks to its durability and the long-term value it offers.
With its combination of power, reliability, and Siemens' engineering excellence, the 3RT1046-1AL20 is an essential component for industrial professionals looking to optimise their operations with a contactor that won't let them down.
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
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Our service to you
Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.
No-Risk Returns, Guaranteed: Return your parts anytime for a full refund. Our hassle-free return policy ensures you’re never stuck with something you don’t need.
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Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.
Frequently Asked Questions
What are the main characteristics of this power contactor?
This Siemens power contactor is designed for switching motor loads and has an operating current of 95 A at AC-3, with a power rating of 45 kW at 400 V. It features a 230 V AC control supply voltage and is a 3-pole device with size S3 screw terminals.
Can this contactor be used in high-altitude installations?
Yes, the contactor can be used in installations up to 2000 metres above sea level without derating.
What is the insulation voltage rating for this contactor?
The insulation voltage rating for the contactor is 1000 V, which is the rated value for ensuring safe operation.
What is the mechanical service life of this contactor?
The mechanical service life of the 3RT1046-1AL20 contactor is typically 10 million operating cycles, ensuring long-term reliability.
What are the ambient temperature limits for operating this contactor?
The contactor can operate within an ambient temperature range of -25 to +60 degrees Celsius.
What type of terminals does this contactor have?
This contactor is equipped with screw terminals for secure and reliable connections.
What is the degree of protection for the terminals of this contactor?
The terminals of this contactor have a protection class of IP00, which means they are not protected against the ingress of solid objects or water and should be installed in an appropriate enclosure.
What is the size classification of this contactor?
This contactor is classified as size S3 according to the manufacturer's product range.
What is the surge voltage resistance of this contactor?
The surge voltage resistance of this contactor is rated at 6 kV.
Is this contactor suitable for three-phase motor control?
Yes, this contactor is suitable for three-phase motor control, with three normally open (NO) main contacts for switching the motor circuit.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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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.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
