Order number 3RT1054-1AP36 is a genuine Siemens part from the SIRIUS 3RT1 contactors (S6 and larger) range. Official description: power contactor, AC-3e/AC-3 115 A, 55 kW / 400 V, AC (50-60 Hz) / DC Uc: 220- 240 V 3-pole, auxiliary contacts 2 NO + 2 NC drive: conventional main circuit: box terminal control and auxiliary circuit: screw terminal.
Large contactors wear their main contacts over time; a like-for-like replacement keeps the panel layout, busbars and coil voltage unchanged.
See our Siemens range.
Technical data
| Siemens order number | 3RT1054-1AP36 |
|---|---|
| Product type designation | 3RT1 |
| Ambient temperature (operation) | -25 … +60 °C |
| Dimensions (W x H x D) | 120 x 172 x 170 mm |
| Weight, approx. | 3.494 kg |
| Condition | New, original Siemens |
Main features
- Power contactor
- AC-3e/AC-3 115 A
- 55 kW / 400 V
- AC (50-60 Hz) / DC Uc: 220- 240 V 3-pole
- Auxiliary contacts 2 NO + 2 NC drive: conventional main circuit: box terminal control and auxiliary circuit: screw terminal
Typical applications
- Large motor starters (pumps, compressors, fans)
- Star-delta starters
- Feeder switching in MCCs
- Replacement of a worn large contactor
Compatibility and replacement
Check the size (S6, S10, S12), the main terminal type (box terminal or busbar) and the coil voltage range in the Siemens title against the old contactor.
Replacement checklist
- Check the supply voltage and wiring of the old unit before installing the new one.
- Note the firmware version printed on the old unit; TIA Portal or LOGO! Soft Comfort must support it.
- Compare the full order number 3RT1054-1AP36 with the label on the old unit, including the last digits (they identify the version).
Frequently asked questions
What coil voltage does it use?
See the Siemens description and table: the Uc range is given in the title.
Does it fit the same busbars?
Yes, if the size and main terminal type match the old contactor.
Do you supply larger quantities for projects?
Yes. For panel builders and plant projects we quote complete lists; send the bill of materials on WhatsApp or through the inquiry form.
Can I get a datasheet?
The official manufacturer datasheet is the source of the technical data above; we can send the PDF with the quotation on request.
Do you ship to my country, and what is the warranty?
Yes. RendatSP ships worldwide from Yiwu, China, by air in 5 to 7 days once the part is ready, and every part carries a 1-year warranty. Send the order number and quantity on WhatsApp and we will reply with a quotation.
Ordering tips
Send us the full order number from the label of the old part, or a clear photo of the label, together with the quantity you need. We check the number against the current manufacturer data before we quote and tell you if there is a newer replacement.
Need it fast? Send the order number, quantity and delivery country on WhatsApp or through the inquiry form and we reply with a quotation the same working day. All parts are new and original, covered by a 1-year warranty, and ship worldwide by air in 5 to 7 days once ready (shipping, payment and warranty). Local agents: Saudi Arabia, Iraq, the UAE, Egypt, Oman, Libya, Morocco, Mauritania, Yemen, Algeria and Jordan.
