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Siemens 6AV2123-2JB03-0AX0

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Part Number6AV2123-2JB03-0AX0
Model #6AV21232JB030AX0
Warranty2 Year
DesignationKTP900 Basic color PN
DisplayTFT widescreen display
Diameter9 in
Height 111.7 mm
Width198 mm
Display colors65536 colors
Horizontal resolution800 Pixel
Vertical resolution480 Pixel
Keyboard8 Function keys
Mounting positionVertical
Max incline35 °
Supply voltageDC
Rated voltage24 VDC
InterfacesEthernet, USB
ProtocolsProfinet, EtherNet/IP
Protection FrontIP65
Protection RearIP20
StandardsCE mark, cULus, RCM (formerly C-TICK), KC approval

Our Repair Services

MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.

Repair Benefits

MRO can restore your failed 6AV2123-2JB03-0AX0 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.

Our technicians have vast experience with most manufacturers and models. In addition to this 6AV2123-2JB03-0AX0 we also repair a wide range of other Siemens products, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty 6AV2123-2JB03-0AX0, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.

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Ask about exchanging your faulty 6AV2123-2JB03-0AX0 for credit when ordering from MRO Electric

MRO Electric provides a 2-year warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

Siemens 6AV2123-2JB03-0AX0 Overview

The Siemens SIMATIC HMI KTP900 6AV2125-2JB03-0AX0 is a mobile panel designed to give you unwavering access to your production processes through direct mobile operation and monitoring.  These products are manufactured in Germany and are designed for Automotive, aerospace, power generation, and electronics usage. They come with a 2-year warranty from MRO Electric. We also carry HMIs from other manufacturers such as FANUC and Yaskawa.


It is expertly constructed with optimizing your industrial applications in mind.  You can use this unit in a mounted position or a stationary position.  The third option for use available with this unit is that you can use it while holding it right on your forearm.  From the forearm position, you have the ability to operate all of the panel controls you normally would on the front panel display.  This basic panel features a 9” display.  As a safety precaution, you should always use the HMI panel on your forearm when you are working with potentially dangerous movements.   You can use it with your hands if you are doing simple tasks such as data entry and you are not controlling movements that could be considered dangerous. 


The 6AV2125-2JB03-0AX0 mobile panel comes equipped with 10 function keys and 2 illuminated pushbutton keys.  This panel is designed for use in an industrial setting and comes designed for the most rugged industrial settings.  Being in the highest protection class, it is designed to resist impact.  A safety feature you will find put in place is two bumpers placed for protection from unintended falls that may accidentally occur to your HMI device,  especially from falls.  It is also designed to resist industrial operating and cleaning substances. At the same time, you will find a safety measure taken to protect the E-stop and emergency button.   The E-stop / stop button is in an enclosure for protection.  WinCC software can be installed on this mobile panel which is a part of the engineering automation portal.  Some of the technical specifications that may be of use to you are as follows. The active display area of the 6AV2125-2JB03-0AX0 is 154.1 x 85.9 mm with a resolution of 800 x 480 pixels, widescreen.  The color depth is 16-bit, 24-bit.  You can control the brightness of the unit by software. The backlighting is LED.  The input for this device is a touch screen and analog resistive.  It has a data memory of 512 MB and a program memory of 1024 MB. 


What interfaces will you encounter with this module?  It has two different interfaces. The first one is ethernet RJ45 with 10/100 Mbps and the second one is USB 2.0.  The power supply via the connection box has a rated voltage of +24 V DC with the permitted voltage range of 19.2…28.8 V (24 V± 20%). 


Contact Us Today For More Information About Siemens Products

Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 6AV2123-2JB03-0AX0, take a look at more from our HMIs line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 6AV2123-2JB03-0AX0 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.

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Very happy with the overall service, delivery, communication and delivery,

Conley Cooke

I needed a special drive, found it, and I was quickly assisted by Joe Kaminski. Everything was exactly as it should be....


We have an older DMU80 CNC Machine and the Handheld Control was damaged beyond repair. MRO was very helpful in confirmin...

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