# Siemens SIMATIC HMI KTP400 Basic 4-inch TFT Graphic Panel 6AV2123-2DB03-0AX0

**URL:** https://aio.lv/en/product--siemens-6av2123-2db03-0ax0--1778473
**Data updated:** 2026-05-18 02:40 (EEST)
**Category:** Handheld Terminals
**Manufacturer:** Siemens
**Manufacturer code:** 6AV2123-2DB03-0AX0
**EAN:** 4034106029203
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 485.49 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 401.23 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-6av2123-2db03-0ax0--1778473

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

The Siemens SIMATIC HMI KTP400 Basic is a 4-inch TFT graphic operator panel designed for industrial automation tasks. It features a high-resolution color display with 65,536 colors, providing clear visualization for machine control and monitoring. This compact HMI unit is engineered for reliable performance in demanding industrial environments, offering intuitive interaction for operators and seamless integration into PLC-based automation systems.

## Long description

The Siemens SIMATIC HMI KTP400 Basic is a compact and efficient 4-inch TFT graphic operator panel designed for industrial automation environments. This device combines both touch and key operation, providing operators with a versatile interface for monitoring and controlling machinery. With a high-resolution display supporting 65,536 colors, it ensures clear and precise visualization of process data, making it an essential component for modern PLC-based automation systems.
Advantages
The KTP400 Basic offers significant benefits through its dual-input design, allowing users to interact with the system via a responsive touchscreen or physical function keys. Its compact form factor makes it ideal for installations where space is limited, without compromising on functionality or display quality. The integration of the PROFINET interface ensures fast and reliable communication with other automation components, while the robust construction guarantees consistent performance in demanding industrial settings.
Suitable for
Small-scale machine control and monitoring
Industrial automation tasks requiring compact HMI solutions
Integration into PLC-based systems via PROFINET
Applications requiring both touch and tactile key feedback
This panel may not be suitable for large-scale visualization tasks that require a larger screen area for complex graphical representations. Additionally, it is not intended for outdoor environments without appropriate protective enclosures or for applications requiring advanced high-performance processing capabilities beyond standard HMI functions.
Key specifications
Display: 4-inch TFT color display
Color depth: 65,536 colors
Operation: Combined touch and key interface
Communication: PROFINET interface
Configuration: Compatible with WinCC Basic V13 and STEP 7 Basic V13
Weight: 0.459 kg
Color: Grey
To use the Siemens SIMATIC HMI KTP400 Basic, first mount the unit into a suitable control panel cutout. Connect the device to your industrial network using the PROFINET interface. Configuration is performed using the WinCC Basic or STEP 7 Basic software environments. Once configured, the panel provides real-time data visualization and control inputs based on the parameters defined in your automation project.
What to consider before purchase
Ensure the 4-inch display size meets your visualization requirements
Verify compatibility with your existing PLC and software version
Check the mounting dimensions for your control cabinet
Confirm that the PROFINET communication protocol is supported by your network architecture
Usage recommendations
For optimal performance and longevity, ensure the panel is installed in an environment that adheres to the specified temperature and humidity ratings. Regularly clean the screen with a soft, dry cloth and ensure that the firmware is kept up to date according to Siemens guidelines.

## Specifications

| Feature | Value |
|---|---|
| Module type | Digital |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.459 kg |

### Technical details

| Feature | Value |
|---|---|
| Product colour | Grey |

## FAQ

### How much does the Siemens SIMATIC HMI KTP400 Basic 6AV2123-2DB03-0AX0 cost, and is it available for purchase?

The price is 485.49 € (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 17.07.2026 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 SIMATIC HMI KTP400 Basic 6AV2123-2DB03-0AX0 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

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