3RT1055-6AB36

2-year MRO Warranty

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Siemens 3RT1055-6AB36

CONTACTOR, 75KW/400V/AC-3, AC(40...60HZ)/DC OPERATION UC 23...26V AUXIL. CONTACTS 2NO+2NC 3-POLE, SIZE S6 BAR CONNECTIONS CONVENTIONAL OPERATING MECHAN.

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$516.00

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Part Number3RT1055-6AB36
ManufacturerSiemens
TypeContactors
Model #3RT10556AB36
MRO Warranty2 Year
RangeSIRIUS
Category3RT
DescriptionContactor
Rated current150 A
Poles3-Poles
Voltage24–400 VAC/DC, 50/60 Hz
Power rating75 kW
Impulse voltage8 kV
Contacts3NO
Connection typeScrew terminal
Operating Temps-25°C to +60°C
ProtectionIP00

Our Repair Services

MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.

Repair Benefits

MRO can restore your failed 3RT1055-6AB36 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year MRO warranty.

Our technicians have vast experience with most manufacturers and models. In addition to this 3RT1055-6AB36 we also repair a wide range of other Siemens products, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty 3RT1055-6AB36, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.

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Ask about exchanging your faulty 3RT1055-6AB36 for credit when ordering from MRO Electric

MRO Electric provides a 2-year MRO warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

Siemens 3RT1055-6AB36 Overview

Siemens 3RT10556AB36 Contactor – High-Performance 150A Industrial Control

Power Meets Reliability

The Siemens 3RT10556AB36 Contactor is built for heavy-duty industrial performance, providing exceptional switching reliability and long-term operational safety in motor control and power distribution systems. Designed for versatility, this 3-pole contactor supports 24–400 VAC/DC coil voltage at 50/60 Hz and handles up to 150 A with ease. Whether in demanding automation environments or continuous-duty applications, the 3RT10556AB36 ensures consistent performance, energy efficiency, and protection you can depend on.

Built for Industrial Strength

With a rated power of 75 kW and an impulse voltage resistance of 8 kV, the Siemens 3RT10556AB36 offers superior endurance under electrical stress. The 3NO contact configuration and screw terminal design ensure a secure, maintenance-friendly connection for long-lasting reliability. Engineered to operate between -25°C and +60°C, it's ideal for harsh industrial conditions without compromising performance.

Performance You Can Trust

As part of Siemens' SIRIUS series, the 3RT10556AB36 embodies advanced contactor technology that enhances system efficiency and control reliability. Its IP00 protection class makes it ideal for enclosed panels and protected environments, while its robust 150A rating provides excellent motor-starting and load-switching capability. Whether you're managing large drives, compressors, or automation systems, this Siemens contactor delivers efficiency, endurance, and precision.

Why Choose Siemens from MRO Electric

MRO Electric ensures every Siemens contactor is thoroughly tested, warrantied, and immediately available. With a 2-year MRO Electric warranty and free shipping, you can count on fast delivery and guaranteed quality. Every unit ships ready to install, giving you peace of mind that your system will be up and running without delay.

Specifications at a Glance

Manufacturer: Siemens

Part Number: 3RT10556AB36

Type: Contactor

Rated Current: 150 AMP

Poles: 3 Pole

Coil Voltage: 24–400 VAC/DC, 50/60 Hz

Power Rating: 75 kW

Impulse Voltage: 8 kV

Contacts: 3NO

Connection Type: Screw Terminal

Operating Temp: -25°C to +60°C

Protection Class: IP00

Warranty: 2-Year MRO Electric Warranty

Shipping: Free & Immediate Availability

10 FAQs – Siemens 3RT10556AB36

What is the Siemens 3RT10556AB36 used for?
It's a 3-pole contactor designed for switching and controlling high-current motors and loads up to 150 AMP.

What is its coil voltage range?
It operates between 24–400 VAC/DC, 50/60 Hz.

How many contacts does it have?
It includes three normally open (3NO) contacts.

What is its rated power?
The 3RT10556AB36 handles up to 75 kW.

Can it handle industrial environments?
Yes, it operates between -25°C and +60°C, making it ideal for rugged environments.

What kind of connection does it use?
Screw terminals for secure and easy installation.

What is its impulse withstand voltage?
Rated at 8 kV for superior electrical endurance.

What protection class does it have?
IP00—intended for use within enclosed control panels.

Does it come with a warranty?
Yes, it includes a 2-year warranty from MRO Electric.

Is it available now?
Yes! It's in stock, tested, and ready to ship with free delivery.

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

Contact Us Today For More Information About the 3RT1055-6AB36

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 3RT1055-6AB36, 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 3RT1055-6AB36 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.

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