# Siemens 3RT1055-6AP36 Power Contactor 150A 3-Pole 220-240V AC/DC

**URL:** https://aio.lv/en/product--siemens-3rt10556ap36--1801818
**Data updated:** 2026-05-18 02:44 (EEST)
**Category:** Control Systems
**Manufacturer:** Siemens
**Manufacturer code:** 3RT10556AP36
**EAN:** 4011209507333
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 526.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 435.12 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rt10556ap36--1801818

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Courier delivery to door | 13.07.2026 | 53.99 EUR |

## Summary description

The Siemens 3RT1055-6AP36 is a high-performance 3-pole power contactor designed for reliable switching of electrical loads up to 150A. Featuring a 220-240V AC/DC control voltage, this contactor is engineered for industrial automation and motor control applications. It includes 2 normally open and 2 normally closed auxiliary contacts, ensuring robust integration into complex control systems and providing long-term operational durability.

## Long description

The Siemens 3RT1055-6AP36 is a high-performance 3-pole power contactor engineered for the reliable switching of electrical loads up to 150A. Designed for demanding industrial environments, this contactor provides consistent performance in motor control and power distribution systems. It features a versatile 220-240V AC/DC control voltage, making it compatible with a wide range of standard industrial control circuits. With its robust construction and integrated auxiliary contacts, this device ensures seamless integration into complex automation setups while maintaining long-term operational reliability.
Advantages
This power contactor stands out due to its high switching capacity and durable design, which minimizes maintenance requirements in heavy-duty applications. The inclusion of both normally open and normally closed auxiliary contacts offers significant flexibility for feedback loops and interlocking circuits. Its ability to operate on both AC and DC control voltages simplifies inventory management and installation processes. Furthermore, the compact design of the S6 frame size allows for efficient use of space within control cabinets without compromising on electrical performance or safety standards.
Suitable for
Industrial motor control systems
Power distribution and switching applications
Automation and control panels
Heavy-duty electrical load management
When it may not be suitable
This contactor is not intended for use in environments where the electrical load exceeds 150A or where the control voltage deviates from the specified 220-240V AC/DC range. It is also not suitable for applications requiring specialized hazardous area protection unless housed in an appropriate enclosure.
Key specifications
Rated operational current: 150A
Number of poles: 3
Control supply voltage: 220-240V AC/DC
Auxiliary contacts: 2 normally open (NO) and 2 normally closed (NC)
Frame size: S6
How to use
Installation should be performed by qualified personnel in accordance with local electrical regulations. The contactor is typically mounted on a flat surface within a control cabinet. Connect the main power lines to the primary terminals and the control wiring to the coil terminals. Ensure that all connections are tightened to the specified torque to prevent overheating. Once installed, verify the operation of the auxiliary contacts to ensure proper integration with your control logic before applying the main load.
What to consider before purchase
Verify that your system control voltage matches the 220-240V AC/DC requirement.
Ensure the 150A current rating is sufficient for your specific motor or load application.
Check the available space in your control cabinet to accommodate the S6 frame size.
Confirm that the auxiliary contact configuration meets your interlocking or signaling needs.
Usage recommendations
Regularly inspect the terminal connections for tightness and check for any signs of wear or debris accumulation to ensure the longevity of the contactor. Always disconnect the power supply before performing any maintenance or inspection tasks.

## FAQ

### How much does the Siemens 3RT1055-6AP36 Power Contactor cost, and is it available for purchase?

The price is 526.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 08.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Siemens 3RT1055-6AP36 Power Contactor be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Siemens products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Siemens service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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