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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2036-1AB04 |
| Alternative Part Number | 3RT20361AB04 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Size of Contactor | S2 |
| Rated Operational Current (AC-3) | 50 A |
| Power Rating at 400 V | 22 kW |
| Number of Auxiliary Contacts | 2 NO + 2 NC |
| Control Supply Voltage | 24 V AC, 50 Hz |
| Terminal Type | Screw-type terminals |
| Insulation Voltage | Rated at 690 V |
| Surge Voltage Resistance | Rated at 6 kV for both main and auxiliary circuits |
| Maximum Voltage for Safe Isolation | 400 V between coil and main contacts according to EN 60947-1 |
| Protection Class IP | IP20 on the front, IP00 of the terminal |
| Shock Resistance | At AC: 9.8g / 5 ms, 6.5g / 10 ms |
| Mechanical Service Life | High durability with a B10 value of 1,000,000 for high demand rate according to SN 31920 |
| Safety Related Data | Mirror contact according to IEC 60947-4-1, positively driven operation not supported |
| Proof Test Interval or Service Life | T1 value for proof test interval or service life according to IEC 61508 is 20 years |
| Protection Against Electrical Shock | Finger-safe when touched vertically from front according to IEC 60529 |
The Siemens 3RT2036-1AB04 is a robust power contactor designed to handle high switching capacities efficiently and reliably. This component is part of the SIRIUS product family, renowned for its quality and performance in a wide range of industrial applications. With an AC-3 rating of 50 A and the capability to manage motors up to 22 kW at 400 V, it is an excellent choice for controlling power circuits in various settings.
Crafted for durability, the 3RT2036-1AB04 boasts a mechanical service life of up to 10 million switching cycles, ensuring long-term reliability in your operations. The contactor features a 3-pole configuration with 2 normally open (NO) and 2 normally closed (NC) contacts, providing flexibility in control circuit design.
The unit operates with a control supply voltage of 24 V AC at 50 Hz and is equipped with screw-type terminals for secure and straightforward wiring. Its compact size, with a width of only 55 mm, allows for efficient use of space inside control cabinets. The contactor's front protection class is IP20, offering a degree of protection against solid objects.
Designed for ease of installation, the Siemens 3RT2036-1AB04 can be mounted quickly onto a standard 35 mm DIN rail, making it a convenient and practical choice for system integrators and maintenance professionals. Whether you're setting up new systems or upgrading existing ones, this power contactor is a reliable component that delivers consistent performance in demanding industrial environments.
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
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Frequently Asked Questions
What size is the contactor?
The contactor is of size S2, which is a standard size for this type of equipment, allowing for compatibility with various installations.
What is the insulation voltage rating of this contactor?
The insulation voltage rating of the contactor is 690 V, which is the rated value for ensuring safe operation under specified conditions.
Can this contactor be mounted onto a DIN rail?
Yes, the contactor is designed for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.
What is the operational current of the contactor at AC-3?
At AC-3, the operational current of the contactor is rated at 50 A for controlling motors and other loads efficiently.
What type of terminals does the contactor have for electrical connections?
The contactor is equipped with screw-type terminals for both the main current circuit and the auxiliary and control current circuit, facilitating secure and reliable connections.
What is the coil voltage for this contactor?
The coil voltage for the contactor is 24 V AC at 50 Hz, which is a common control voltage for industrial applications.
What is the degree of protection provided by the contactor?
The contactor provides a degree of protection IP20 on the front and IP00 for the terminals, ensuring a level of protection against solid objects.
What is the mechanical service life of the contactor?
The mechanical service life of the contactor is typically 10 million switching cycles, indicating its durability and longevity in operation.
Does the contactor have mirror contacts according to IEC standards?
Yes, the contactor includes mirror contacts according to IEC 60947-4-1, which is an important feature for certain safety applications.
What is the B10 value for this contactor?
The B10 value for the contactor is 1,000,000 when used with a high demand rate according to SN 31920, which is a measure of its reliability.
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.
