Siemens 3RT1076-6AF36

Siemens 3RT1076-6AF36 Power Contactor – Industrial-Grade Performance for High-Power Applications

The Siemens 3RT1076-6AF36 is a heavy-duty 3-pole power contactor built for high-performance industrial motor control. Designed to handle 250 kW at 400V (AC-3 duty), this contactor is part of Siemens' trusted SIRIUS control line and is perfect for applications involving large motors, heavy loads, and demanding switching cycles. It is compatible with both AC (50/60 Hz) and DC operation and supports universal coil voltage of 110–127V UC, offering flexibility in diverse power environments.

Designed for Demanding Industrial Applications

With a Size S12 frame, the 3RT1076-6AF36 is ideal for use in high-capacity industrial systems such as mining, steel production, water treatment, HVAC, and manufacturing plants. Its robust build and conventional operating mechanism ensure safe, consistent performance in environments where reliability is critical. Whether you're starting large motors or switching resistive loads, this contactor delivers outstanding durability and electrical endurance.

Versatile Coil Control and Universal Operation

The Siemens 3RT1076-6AF36 operates with a universal coil (UC), rated for 110-127V AC or DC, simplifying system integration and reducing part number complexity. This dual-mode coil design allows for greater flexibility in both retrofits and new installations, especially when working across different power sources or international applications.

Built-In Auxiliary Contacts for Enhanced Control

This model includes two normally open (2NO) and two normally closed (2NC) auxiliary contacts, providing built-in support for control circuits, feedback signals, and interlocks. These auxiliary contacts improve operational safety and system coordination, making it easier to integrate into complex automation or motor control setups.

Rugged Design with Bar Connections and Screw Terminals

The 3RT1076-6AF36 is built for secure and efficient wiring with bar-type power connections and screw terminals, ensuring tight, stable connections under heavy electrical loads. This configuration supports high current flow with reduced heat buildup, while also simplifying maintenance and installation in large control cabinets.

Backed by a 2-Year MRO Warranty and Free Shipping

This Siemens contactor is available immediately from MRO Electric and Supply and comes with a 2-year warranty to guarantee performance and quality. In addition, we offer free shipping on this item, helping you reduce costs and keep your projects moving on time. Whether you're an OEM, panel builder, or industrial facility manager, you can rely on MRO's fast service and expert support.

Engineered for Longevity and Efficiency

Built with Siemens' commitment to innovation and durability, the 3RT1076-6AF36 offers extended electrical life and reduced downtime. Its conventional operating mechanism ensures simple, practical functionality without complex programming. This contactor is an excellent choice for mission-critical applications where uninterrupted operation and long-term reliability are essential.

Choose the Siemens 3RT1076-6AF36 for your high-power switching needs and benefit from proven quality, flexible operation, and fast availability—all backed by trusted Siemens engineering and MRO Electric support.

What is the Siemens 3RT1076-6AF36 used for?

This contactor is used to control high-power three-phase motors and electrical loads up to 250 kW at 400V in industrial applications.

What type of coil voltage does the 3RT1076-6AF36 support?

It supports universal coil operation at 110–127V for both AC (50/60 Hz) and DC, offering flexibility across different control systems.

How many poles does this contactor have?

The Siemens 3RT1076-6AF36 is a 3-pole contactor, making it suitable for standard three-phase motor control.

What size is the contactor frame?

It has a Size S12 frame, designed for high-capacity switching and industrial durability.

What are the auxiliary contact configurations?

This model includes two normally open (2NO) and two normally closed (2NC) auxiliary contacts for added control functionality.

What type of terminals does it use?

The contactor features screw terminals and bar connections, ensuring strong, secure wiring under high loads.

Can this contactor be used in both AC and DC control systems?

Yes, the universal coil supports operation on either AC or DC control voltage sources.

Is the Siemens 3RT1076-6AF36 available for immediate shipping?

Yes, it is in stock and available for immediate delivery through MRO Electric and Supply.

Does this contractor come with a warranty?

Yes, it includes a 2-year warranty from MRO Electric, covering defects and performance issues.

What industries commonly use this contractor?

It is widely used in manufacturing, water treatment, steel production, mining, HVAC, and other high-demand industrial sectors.

Siemens products are manufactured in Germany and are designed for Automotive, aerospace, power generation, and electronics usage. They come with a 2-year warranty from MRO Electric. We also carry Contactors from other manufacturers such as FANUC and Yaskawa.

Contact Us Today For More Information About Siemens Products

Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at sales@mroelectric.com, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 3RT1076-6AF36, take a look at more from our Contactors line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 3RT1076-6AF36 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.