steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 months ago
3RT1056-1AB36
Siemens 3RT1056-1AB36 available at EU Automation. Get in touch today for a quick price.
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Siemens 3RT1056-1AB36 is a robust power contactor designed to handle high current applications with ease. Engineered for reliability and efficiency, this contactor is capable of switching motor loads of up to 90 kW at 400 V in AC-3 utilisation categories, making it an ideal choice for a wide range of industrial applications. Its AC/DC operation with a control supply voltage of 23-26 V ensures versatility in various power network configurations.
This contactor is part of the SIRIUS product family, known for its high-quality standards and innovative engineering. It features three poles and includes auxiliary contacts with 2 normally open (NO) and 2 normally closed (NC) contacts, providing additional flexibility for control circuit configurations. The device is designed with a size S6 frame and offers convenient bar connection points for straightforward installation.
With a mechanical service life of up to 10 million operating cycles, the Siemens 3RT1056-1AB36 is built to last, ensuring long-term performance and minimal maintenance. Its compact dimensions and the ability to mount side-by-side make it a space-saving solution in electrical cabinets. The contactor also boasts a high degree of protection for the front terminals, rated at IP20, ensuring safety and durability in challenging industrial environments.
The Siemens 3RT1056-1AB36 is a testament to Siemens' commitment to quality and performance, providing a reliable and efficient solution for controlling high-power motors and loads in industrial settings.
This contactor is part of the SIRIUS product family, known for its high-quality standards and innovative engineering. It features three poles and includes auxiliary contacts with 2 normally open (NO) and 2 normally closed (NC) contacts, providing additional flexibility for control circuit configurations. The device is designed with a size S6 frame and offers convenient bar connection points for straightforward installation.
With a mechanical service life of up to 10 million operating cycles, the Siemens 3RT1056-1AB36 is built to last, ensuring long-term performance and minimal maintenance. Its compact dimensions and the ability to mount side-by-side make it a space-saving solution in electrical cabinets. The contactor also boasts a high degree of protection for the front terminals, rated at IP20, ensuring safety and durability in challenging industrial environments.
The Siemens 3RT1056-1AB36 is a testament to Siemens' commitment to quality and performance, providing a reliable and efficient solution for controlling high-power motors and loads in industrial settings.
| Specification | Description |
|---|---|
| Part Number | 3RT1056-1AB36 |
| Alternative Part Number | 3RT10561AB36 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Size of Contactor | S6 |
| Protection Class IP | Front: IP00 |
| Degree of Pollution | 3 |
| Installation Altitude | Up to 2,000 metres above sea level |
| Ambient Operating Temperature | -25°C to +60°C |
| Mechanical Operating Cycles | 10,000,000 typical for contactor |
| Number of Poles | 3 |
| Number of Main Contacts | 3 NO (Normally Open) |
| Operational Current at AC-3 | 185 A at 400 V |
| Operational Current at AC-1 | 215 A at 400 V at 40°C ambient temperature |
| Control Supply Voltage | AC/DC operation 23-26 V UC |
| Auxiliary Contacts | 2 NO + 2 NC |
| Mounting Type | Screw fixing, side-by-side mounting possible |
| Dimensions (H x W x D) | 172 mm x 120 mm x 170 mm |
| Required Spacing | Forwards: 20 mm, Upwards/Downwards: 10 mm, At the side: 0 mm for side-by-side mounting |
| Electrical Connection | Box terminal for main current circuit, Screw-type terminals for auxiliary/control current circuit |
| Conductor Cross-Section | Main contacts: max. 1x 95, 1x 120 mm² |
| Operating Power at AC-3 | 90 kW at 400 V |
| Short-Time Withstand Current | Up to 2,900 A for 1 s at 40°C cold operating state |
| Surge Voltage Resistance | Main circuit: 8 kV, Auxiliary circuit: 6 kV |
| Maximum Voltage for Safe Isolation | 690 V between coil and main contacts according to EN 60947-1 |
What is the rated operating current for this contactor in an AC-3 utilisation category?
The rated operating current for this contactor in an AC-3 utilisation category at 400 V is 185 A.
Can this contactor be used for both AC and DC operations?
Yes, this contactor is designed for AC (50-60 Hz) and DC operation with a control supply voltage of 23-26 V UC.
What are the dimensions of this contactor?
The dimensions of the contactor are 172 mm in height, 120 mm in width, and 170 mm in depth.
What is the maximum operating voltage for this contactor in an AC-3 category?
The maximum operating voltage for this contactor in an AC-3 category is 1,000 V.
What type of auxiliary contacts does this contactor have?
This contactor is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts.
What is the mechanical service life of this contactor?
The mechanical service life of the contactor is typically 10 million operating cycles.
What is the protection class for the front of this contactor?
The protection class for the front of this contactor is IP00.
What is the power loss at the rated value of the current for this contactor?
The power loss at the rated value of the current for this contactor is 39 W in a hot operating state.
What is the installation altitude limit for this contactor?
The installation altitude limit for this contactor is up to 2,000 metres above sea level.
What is the ambient operating temperature range for this contactor?
The ambient operating temperature range for this contactor is between -25 °C and +60 °C.
- Controlling large motors in industrial applications
- Switching heating elements in industrial ovens
- Managing electrical circuits in conveyor systems
- Regulating pumps in water treatment plants
- Operating compressors in refrigeration systems
- Controlling lighting systems in large commercial buildings
- Managing power distribution in control panels
- Switching capacitive loads in power factor correction units
- Operating fans in ventilation systems
- Controlling magnetic coils in electromechanical assemblies
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
5 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
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Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
5 months ago
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Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
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Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
6 months ago
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