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3 months ago
3RT1055-6AF36
Siemens 3RT1055-6AF36 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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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 3RT1055-6AF36 is a robust power contactor designed for reliable and efficient performance in a variety of industrial applications. This contactor is rated for AC-3 150 A, 75 kW / 400 V AC (50-60 Hz) / DC operation 110-127 V UC, making it suitable for handling high power loads. It features 3 normally open (NO) main contacts and 2 NO + 2 NC auxiliary contacts, providing flexibility in control circuit design. The 3RT1055-6AF36 is designed for screw fixing and can be mounted side-by-side, offering convenience in installation. With a protection class IP00, it is intended for use in controlled environments. This Siemens power contactor is a reliable choice for managing electrical loads in your industrial automation systems.
| Specification | Description |
|---|---|
| Part Number | 3RT1055-6AF36 |
| Alternative Part Number | 3RT10556AF36 |
| Manufacturer | Siemens |
| Part Type | Power Contactor |
| Contact Configuration | 3NO |
| Current Rating | 185 A |
| Voltage Rating | 110 to 127 V ac |
| Short Description | Power contactor, AC-3 150 A, 75 kW / 400 V AC (50-60 Hz) / DC operation 110-127 V UC Auxiliary contacts 2 NO + 2 NC 3-pole |
| Mounting Type | Screw fixing |
| Mounting Position | With vertical mounting surface +/-90° rotatable, with vertical mounting surface +/- 22.5° tiltable to the front and back |
| Dimensions | Height: 172 mm, Width: 120 mm, Depth: 170 mm |
| Required Spacing | Forwards: 20 mm, Upwards: 10 mm, Downwards: 10 mm, At the side: 0 mm |
| Connections/Terminals | Width of connection bar: 17 mm, Thickness of connection bar: 3 mm, Diameter of holes: 9 mm, Number of holes: 1 |
| Type of Electrical Connection | For main current circuit: Connection bar, For auxiliary and control current circuit: screw-type terminals |
| Connectable Conductor Cross-Sections | At AWG conductors for main contacts: 4 ... 250 kcmil, Stranded: 25 ... 120 mm², Single or multi-stranded: 0.5 ... 4 mm², Finely stranded with core end processing: 0.5 ... 2.5 mm² |
| Commodity Code | 853649 |
What is the main function of this Siemens power contactor?
This Siemens power contactor is designed to control electrical loads in industrial and commercial applications. It is capable of switching high currents and is typically used in motors, heaters, and lighting systems.
What are the key specifications of this power contactor?
The power contactor operates at AC-3 150 A, 75 kW / 400 V AC (50-60 Hz) / DC operation 110-127 V UC. It also features auxiliary contacts 2 NO + 2 NC and is 3-pole.
What is the significance of the AC-3 rating?
The AC-3 rating refers to the maximum operational current that the contactor can handle when it's used in an induction motor with a squirrel cage rotor. For this Siemens power contactor, the AC-3 rating is 150 A.
What does '3-pole' mean in the context of this power contactor?
A '3-pole' contactor like the 3RT1055-6AF36 is designed to control three-phase electrical circuits. It has three separate contacts, one for each phase, which open or close simultaneously to control the flow of electricity.
What are the auxiliary contacts used for?
Auxiliary contacts are used for auxiliary circuit control, signal processing, and interlocking functions. This Siemens power contactor has 2 Normally Open (NO) and 2 Normally Closed (NC) auxiliary contacts.
What is the operating temperature range for this power contactor?
The operating temperature range for this power contactor is -25 to +60 degrees Celsius. This makes it suitable for use in a wide range of environments.
What is the significance of the IP00 protection class?
The IP00 protection class indicates that the power contactor has no special protection against the ingress of solid objects or water. It should be installed in a suitable enclosure to ensure safety and longevity.
- Control of electric motors in various industrial applications
- Switching of heating elements in industrial heating systems
- Control of lighting circuits in large commercial buildings
- Switching of capacitors for power factor correction in power distribution systems
- Control of air conditioning units in HVAC systems
- Switching of electric pumps in water treatment plants
- Control of power circuits in large data centers
- Switching of electrical loads in automation systems
- Control of electrical machinery in manufacturing plants
- Switching of power circuits in renewable energy systems such as solar and wind power plants.
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!
5 months ago
Paulo Pereira
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
Gary
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.
5 months ago
Lessle Smith
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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