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High-quality SIEMENS 3RT5055-6AF36 Rugged AC Contactor for Motor Starters supplied by Beijing Zhongping Technology Co., Ltd.. Bulk wholesale pricing is negotiable. Inquiry for latest prices.
10.00cm * 18.00cm * 20.00cm
1000/Year
2.000kg
3
380V
3RT5055-6AF36
8536300000
Ac Contactors
10.00cm * 18.00cm * 20.00cm
1000/Year
2.000kg
3
380V
3RT5055-6AF36
8536300000
Ac Contactors
Carton
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FOB, CIF, CFR, EXW
Germany
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Not Involving
SIEMENS
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Tianjin Port
one
China
Not specified
Not specified
2016-11-15
Not specified
35
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FOB, CIF, CFR, EXW
Tianjin Port
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| Siemens 3RT5055-6AF36: The Rugged AC Contactor Powering Your Motor Starters The Siemens 3RT5055-6AF36 stands as a robust AC contactor engineered for demanding motor starter applications. This industrial-grade component boasts a significant power handling capability, typically rated for 3-phase AC circuits with a substantial rated operational current. Its design prioritizes reliability and longevity in harsh environments, making it an indispensable part of many automated industrial processes. Whether controlling pumps, fans, or complex machinery, the 3RT5055-6AF36 delivers the dependable switching performance essential for operational continuity and safety. This powerful contactor is frequently sought by engineers and technicians looking for high-performance, durable motor control solutions. Its specific coil voltage and contact configuration are critical for seamless integration into existing or new control panels. The "Rugged" designation in its name directly communicates its suitability for environments where dust, moisture, or temperature fluctuations are common, ensuring uninterrupted operation and minimizing downtime. We'll delve into its specifications, key benefits, and practical implementation. Key Product Specifications: Siemens 3RT5055-6AF36 Understanding the precise technical parameters is paramount for selecting the correct contactor. The Siemens 3RT5055-6AF36 offers a compelling set of specifications that ensure its effectiveness in various industrial settings. Its ability to handle significant inductive loads, coupled with its robust construction, makes it a go-to choice for many critical motor control applications. | Parameter | Specification | | :---------------------- | :----------------------------------------------------- | | Product Type | AC Contactor | | Series | 3RT50 | | AC-3 Rated Operational Current (Ie) | 40 A (at 400 V AC) | | AC-3 Rated Power (Pe) | 18.5 kW (at 400 V AC) | | Number of Poles | 3 | | Auxiliary Contacts | 1 NO (Normally Open) + 1 NC (Normally Closed) | | Coil Voltage | Available in various AC voltages (e.g., 230V AC, 400V AC) - *Specify exact voltage for your application.* | | Mounting Type | Rail Mount (DIN rail) | | Protection Class | IP20 (typical, refer to datasheet for specifics) | | Terminal Type | Screw Terminals | | Operating Temperature| -25°C to +60°C (typical, refer to datasheet) | | Insulation Voltage | Up to 690 V | | Shock Resistance | High resistance for industrial environments | | Vibration Resistance| Designed to withstand industrial vibrations | Unpacking the Advantages: Why Choose the Siemens 3RT5055-6AF36? The Siemens 3RT5055-6AF36 is more than just a contactor; it's a critical component engineered for superior performance and unwavering reliability in challenging industrial environments. Its design incorporates advanced materials and manufacturing processes, ensuring it can withstand the rigors of continuous operation. This leads to reduced maintenance needs and an extended operational lifespan, directly contributing to lower total cost of ownership. Engineers and plant managers consistently select this model for its robust construction, which translates into exceptional durability. The contactor is built to endure significant mechanical stress and electrical loads without compromising its functionality. This resilience is crucial for preventing unexpected shutdowns, safeguarding valuable machinery, and maintaining production schedules. Its ease of installation and integration further simplifies project execution. Furthermore, the 3RT5055-6AF36 offers excellent electrical performance, providing stable and consistent power switching for electric motors. Its adherence to stringent international safety and quality standards gives users confidence in its dependable operation. For applications demanding both high capacity and long-term reliability, this Siemens contactor is an intelligent investment. Versatile Applications: Where the 3RT5055-6AF36 Excels The Siemens 3RT5055-6AF36 finds its place in a wide spectrum of industrial settings where reliable motor control is non-negotiable. Its substantial power handling capabilities make it perfectly suited for directly starting and stopping medium-sized three-phase induction motors, a cornerstone of many manufacturing processes. This includes essential equipment such as water pumps in municipal systems, large ventilation fans in HVAC installations, and conveyor systems in material handling operations. Beyond direct motor starting, its robust design also allows for its use in switching larger loads in various industrial circuits. This can include controlling heating elements, capacitor banks for power factor correction, or other significant electrical loads within a plant's infrastructure. The integrated auxiliary contacts provide essential feedback for control systems, enabling advanced automation and monitoring capabilities. Industries ranging from food and beverage processing, chemical plants, and automotive manufacturing to power generation and building automation frequently rely on the dependable performance of the 3RT5055-6AF36. Its ability to operate reliably under demanding conditions ensures operational continuity and safety across diverse applications. Getting Started: Installation and Usage Guidelines Proper installation and handling of the Siemens 3RT5055-6AF36 are vital to ensure its long-term performance and safety. Begin by carefully reviewing the manufacturer's documentation to confirm the specific coil voltage requirements of your application and verify that it matches the available power supply. Ensure the power circuit is de-energized and locked out before commencing any wiring to prevent electrical shock hazards. The contactor is designed for straightforward mounting onto a standard 35mm DIN rail, allowing for secure and efficient panel assembly. Connect the main power conductors to the appropriate terminals for the load and the incoming power supply. Wire the control circuit to the coil terminals and any utilized auxiliary contacts, paying close attention to normally open (NO) and normally closed (NC) configurations as per your control logic design. Once wiring is complete and double-checked for accuracy and secure connections, you can restore power to the control circuit. Test the operation of the contactor by energizing the coil and observing its engagement. Verify that the motor starts and stops as intended, and that the auxiliary contacts provide the correct signals to your control system. Regular visual inspections and periodic operational checks are recommended to maintain optimal performance. Essential Precautions for Safe Operation When working with the Siemens 3RT5055-6AF36, prioritizing safety is paramount to prevent injuries and equipment damage. Always ensure that the main power supply to the contactor and the motor is completely isolated, de-energized, and locked out before performing any installation, wiring, maintenance, or inspection tasks. This lockout/tagout procedure is a critical safety measure in any industrial environment. Familiarize yourself with the electrical ratings of the contactor, particularly its AC-3 rated operational current and voltage, to ensure it is appropriately sized for the motor and application it will control. Overloading the contactor can lead to premature failure and potential fire hazards. Use correctly rated conductors and ensure all terminal connections are tight and secure to prevent arcing and overheating. Regularly inspect the contactor for signs of wear, damage, or contamination. Keep the contactor and its surroundings clean and free from excessive dust, moisture, or corrosive substances, as these can degrade performance and compromise safety. If any abnormalities are observed, such as unusual noises, excessive heat, or erratic operation, immediately de-energize the circuit and consult qualified personnel for diagnosis and repair. Frequently Asked Questions (FAQs) about the Siemens 3RT5055-6AF36 1. What is the primary function of the Siemens 3RT5055-6AF36 AC contactor? The Siemens 3RT5055-6AF36 is fundamentally designed as a heavy-duty electrical switch used to control electric motors. Its primary function involves making and breaking electrical circuits, allowing for the remote operation of motor starters. This means an operator can start or stop a motor from a control panel, a safe distance away from the actual machinery, enhancing safety and operational efficiency within an industrial setting. It acts as a powerful electromagnetically operated relay, where energizing the coil causes a set of contacts to close, thereby completing the power circuit to the motor. When the coil is de-energized, the contacts open, interrupting the power flow and stopping the motor. This reliable switching action is crucial for automated industrial processes, ensuring precise control over machinery. This contactor is particularly specified for AC induction motors, handling significant inductive loads with its robust construction. It is engineered to withstand the high inrush currents that occur when motors start, offering a reliable solution for demanding motor control applications where durability and performance are key. 2. How do I determine the correct coil voltage for my Siemens 3RT5055-6AF36 contactor? Selecting the correct coil voltage is absolutely critical for the proper and safe operation of the Siemens 3RT5055-6AF36. You must match the coil voltage of the contactor precisely to the control voltage available in your electrical panel or control system. Common coil voltages for industrial contactors include 24V AC, 120V AC, 230V AC, and 400V AC, so it is essential to verify what is supplied. You can find the required coil voltage information directly on the contactor's label or in its technical datasheet. Ensure you also check the voltage rating of your control power transformer or the output voltage of your programmable logic controller (PLC) if it's controlling the contactor coil. Using the wrong voltage can lead to the contactor failing to energize, or worse, overheating and permanent damage. Always consult the detailed wiring diagrams and specifications of your specific motor starter assembly and control system. If there is any uncertainty regarding the available control voltage or the correct contactor coil voltage, it is highly recommended to consult with a qualified electrician or control system engineer before proceeding with installation. 3. What are the main advantages of using a "Rugged" contactor like the 3RT5055-6AF36 in industrial environments? The "Rugged" designation signifies that the Siemens 3RT5055-6AF36 is specifically designed and built to withstand the harsh and demanding conditions commonly found in industrial settings, offering significant advantages. These environments often involve exposure to dust, moisture, oil, vibrations, and wide temperature fluctuations, which can degrade the performance and lifespan of standard electrical components. Rugged contactors are constructed with more robust materials and often feature enhanced sealing to protect internal components from ingress of contaminants. They are also engineered to maintain reliable electrical and mechanical performance despite exposure to significant mechanical shocks and vibrations that are typical in manufacturing plants. This superior durability translates directly into increased uptime and reduced maintenance costs. By investing in a rugged contactor, you are ensuring greater operational reliability, minimizing the risk of unexpected failures, and prolonging the overall service life of your motor control systems. This makes them an ideal choice for critical applications where equipment downtime can lead to substantial financial losses or safety concerns. 4. Can the Siemens 3RT5055-6AF36 be used for DC motor applications? The Siemens 3RT5055-6AF36 is specifically designed and rated for Alternating Current (AC) motor applications. It is engineered to handle the characteristics of AC circuits, including inductive loads and the switching requirements for AC induction motors, as indicated by its AC-3 rating. Attempting to use this contactor for Direct Current (DC) applications would be inappropriate and could lead to unsafe operating conditions and equipment failure. DC circuits have different electrical properties and switching dynamics compared to AC circuits. The arc extinction methods used in AC contactors are generally not suitable for the continuous current of DC circuits, which can cause excessive arcing and damage the contactor's internal components. For DC motor control, you would need a contactor specifically designed for DC circuits, often featuring different contact materials and arc suppression mechanisms. Always ensure that the contactor you select is rated for the type of current (AC or DC) and the specific application requirements of your motor. Using the correct type of contactor is fundamental for safety, performance, and the longevity of your electrical system. 5. What type of auxiliary contacts does the 3RT5055-6AF36 typically come with? The Siemens 3RT5055-6AF36 typically comes equipped with a standard configuration of auxiliary contacts designed to provide essential feedback signals for control and monitoring purposes. The most common configuration includes one normally open (NO) auxiliary contact and one normally closed (NC) auxiliary contact. These are often referred to as 1 NO + 1 NC. The normally open (NO) auxiliary contact is open when the main contactor coil is de-energized and closes when the coil is energized, mirroring the state of the main power contacts. This is useful for signaling that the motor is running or that the contactor is engaged. The normally closed (NC) auxiliary contact, conversely, is closed when the coil is de-energized and opens when the coil is energized. These auxiliary contacts are invaluable for implementing interlocks, status indication, and other logic functions within a control system. For example, the NC contact can be used in series with the control circuit to prevent the contactor from being energized if another device is already active, thus preventing electrical conflicts. 6. What is the significance of the AC-3 rating for this contactor? The AC-3 rating is a crucial classification that defines the suitability of the Siemens 3RT5055-6AF36 for controlling specific types of AC electric motors. In the context of AC-3, it specifically pertains to starting squirrel-cage motors and includes the ability to switch them off. This rating signifies that the contactor is designed to handle the significant starting current, which is typically much higher than the motor's full load running current. This rating ensures that the contactor's contacts can withstand the electrical stress and thermal load associated with breaking the circuit during motor start-up and normal running operation. It also implies that the contactor can reliably interrupt the current even when the motor is still running at approximately 75% of its rated speed, which is a common scenario when stopping a motor. Therefore, when specifying or selecting the 3RT5055-6AF36 for a motor starter, ensuring that the motor's load characteristics fall within the AC-3 category is paramount. Using a contactor with an appropriate AC-3 rating guarantees its ability to perform reliably and safely under the demanding conditions of motor control. 7. How does vibration resistance benefit the Siemens 3RT5055-6AF36 in industrial applications? The enhanced vibration resistance engineered into the Siemens 3RT5055-6AF36 is a critical feature for its reliability in industrial environments. Manufacturing facilities and heavy machinery often generate significant vibrations, which can cause loose connections, mechanical wear, and electrical contact problems in standard components. This rugged contactor is designed to maintain its integrity and operational stability even when subjected to these persistent vibrations. This robustness ensures that the internal components, including the coil and contacts, remain securely positioned and functional. It prevents intermittent electrical connections that could lead to motor malfunction or damage, and it mitigates premature mechanical wear on moving parts. The consequence is a more dependable and consistent electrical switching performance over the contactor's operational lifespan. Therefore, the vibration resistance of the 3RT5055-6AF36 contributes directly to increased equipment uptime, reduced maintenance requirements, and a lower risk of unexpected failures. It is a key attribute that makes this contactor an excellent choice for deployment in challenging industrial settings where consistent performance under dynamic conditions is essential. 8. What are the environmental operating temperature limits for this contactor? The Siemens 3RT5055-6AF36 is engineered to operate reliably within a specified range of ambient temperatures, typically falling between -25°C and +60°C. This broad operating window is a significant advantage, allowing the contactor to be deployed in a wide variety of industrial locations, including those with extreme heat or cold. Adhering to these temperature limits is crucial for ensuring optimal performance and longevity. Operating the contactor outside of its specified temperature range can have detrimental effects on its internal components. Temperatures that are too low can affect the elasticity of materials and the lubrication of moving parts, potentially leading to sluggish operation or mechanical stress. Conversely, temperatures that are too high can cause insulation breakdown, premature aging of materials, and even outright failure of the coil or contacts. It is essential to consult the specific datasheet for the exact Siemens 3RT5055-6AF36 model to confirm the precise operating temperature range. Ensuring that the installation environment falls within these limits is a fundamental step in guaranteeing the dependable and safe operation of the motor starter. 9. How is the Siemens 3RT5055-6AF36 typically mounted within an industrial control panel? The Siemens 3RT5055-6AF36 is designed for straightforward and secure mounting within standard industrial control panels, predominantly utilizing the DIN rail mounting system. This method involves simply clipping the contactor onto a 35mm wide DIN rail that is typically pre-installed within the control panel enclosure. The rail provides a stable and standardized platform for component assembly, ensuring precise alignment and easy installation. The contactor usually features a robust clip mechanism on its rear that engages securely with the DIN rail. This ensures a firm mechanical connection, preventing accidental dislodgement due to vibrations or physical impact, which are common in industrial settings. The DIN rail mounting also facilitates efficient layout and organization of components within the panel, allowing for a neat and logical wiring arrangement. Beyond DIN rail mounting, some configurations or accessory options might allow for direct screw mounting onto a panel backplate. However, the DIN rail method is the most common and offers significant advantages in terms of ease of installation, removal, and flexibility in panel design and modification. 10. What safety certifications or standards does the Siemens 3RT5055-6AF36 typically comply with? Siemens products, including the 3RT5055-6AF36, are manufactured to meet rigorous international safety and quality standards to ensure reliable and safe operation in industrial applications. This contactor typically complies with relevant IEC (International Electrotechnical Commission) standards, such as IEC 60947-4-1 for low-voltage switchgear and controlgear, specifically for contactors and motor-starters. Compliance with these standards ensures that the contactor has undergone thorough testing for electrical endurance, mechanical endurance, thermal performance, insulation properties, and short-circuit withstand capability. Certifications often include marks like CE (Conformité Européenne), indicating compliance with relevant European Union directives, and UL (Underwriters Laboratories) or CSA (Canadian Standards Association) for North American markets. Adherence to these recognized standards provides engineers and end-users with confidence in the product's safety, performance, and interoperability. It assures that the contactor has been designed and tested to withstand the demands of industrial environments and operate safely within specified parameters, contributing to overall plant safety and operational integrity. * Commonly Searched Keywords (SEO Focus): * Siemens 3RT5055-6AF36 * Siemens AC Contactor * Motor Starter Contactor * Rugged Contactor * Industrial Contactor * 3-Phase Contactor * High Power Contactor * Contactor 40A * Contactor 18.5kW * Siemens Motor Control * Industrial Automation Components * Contactor Specifications * Contactor Applications * Contactor Wiring * Contactor Installation * Contactor Safety * Siemens Electrical Components * DIN Rail Contactor * Auxiliary Contacts Contactor * Reliable Motor Starter * Heavy Duty Contactor * IP20 Contactor * Siemens Contactor Price * Siemens Contactor Datasheet * Buy Siemens 3RT5055-6AF36 * Siemens 3RT Contactor Series |


Beijing Zhongping Technology Co., Ltd. is a leading provider of industrial automation solutions, intelligent robotics, and advanced system integration services. With decades of expertise, the company has established long-term strategic partnerships with global industry leaders such as Siemens, ABB, Schneider Electric, , Yaskawa, , leveraging their cutting-edge technologies to deliver innovative, tailored solutions across diverse sectors.





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For SIEMENS 3RT5055-6AF36 Rugged AC Contactor for Motor Starters, Beijing Zhongping Technology Co., Ltd. accepts LC, T/T, PayPal, D/P, Western Union, Small-amount payment as the preferred payment method, the trade term is FOB, CIF, CFR, EXW, and shipments are typically arranged from port Tianjin Port, ensuring secure and timely international delivery.
The supplier Beijing Zhongping Technology Co., Ltd. offers SIEMENS 3RT5055-6AF36 Rugged AC Contactor for Motor Starters at negotiation.
SIEMENS 3RT5055-6AF36 Rugged AC Contactor for Motor Starters is sourced from China and meets international export standards. Key specifications include: Main Circuit Rating Current: Not Involving, Package Size: 10.00cm * 18.00cm * 20.00cm, Shipping Cost: Contact the supplier about freight and estimated delivery time., Phase: 3, Model NO.: 3RT5055-6AF36, Specification: one, Trade Term: FOB, CIF, CFR, EXW, Payment Term: LC, T/T, PayPal, D/P, Western Union, Small-amount payment
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Mr. jette
Year Established: 2016-11-15
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