KTP400 Basic HMI
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Product specification
6AV2123-2DB03-0AX0
SIMATIC HMI KTP400 Basic, 4-inch key/touch panel, PROFINET, 24 V DC. Check controller firmware and WinCC/TIA project compatibility.
Dimensions & specifications
Accessories are matched to individual parts. A shared manufacturer or frame size alone does not establish compatibility.
Accessories & related parts
6AV2123-2DB03-0AX0 — specifications & documents
SIMATIC HMI KTP400 Basic, 4-inch key/touch panel, PROFINET, 24 V DC. Check controller firmware and WinCC/TIA project compatibility.
| Display | 4-inch TFT, key/touch |
|---|---|
| Supply voltage | 24 V DC |
| Communication | PROFINET / Ethernet |
| Controller coupling | S7-1200; confirm firmware and project-software compatibility |
| Width | 140 mm |
| Height | 116 mm |
| Mounting depth | 34.9 mm |
| Cut-out (W × H) | 124 × 100 mm |
| Dimension basis | Siemens exact-part datasheet February 2026; use the current hardware drawing because earlier revisions differ. |
Fits these parts
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- 6ES7211-1BE40-0XB0 SIMATIC S7-1200, CPU 1211C, AC/DC/Relay, 85–264 V AC; 6 digital, 24 V DC; 4 relay outputs.
- 6ES7211-1HE40-0XB0 SIMATIC S7-1200, CPU 1211C, DC/DC/Relay, 20.4–28.8 V DC; 6 digital, 24 V DC; 4 relay outputs.
- 6ES7212-1AE40-0XB0 SIMATIC S7-1200, CPU 1212C, DC/DC/DC, 20.4–28.8 V DC; 8 digital, 24 V DC; 6 transistor outputs.
- 6ES7212-1BE40-0XB0 SIMATIC S7-1200, CPU 1212C, AC/DC/Relay, 85–264 V AC; 8 digital, 24 V DC; 6 relay outputs.
- 6ES7212-1HE40-0XB0 SIMATIC S7-1200, CPU 1212C, DC/DC/Relay, 20.4–28.8 V DC; 8 digital, 24 V DC; 6 relay outputs.
- 6ES7214-1AG40-0XB0 SIMATIC S7-1200, CPU 1214C, DC/DC/DC, 20.4–28.8 V DC; 14 digital, 24 V DC; 10 transistor outputs.
- 6ES7214-1BG40-0XB0 SIMATIC S7-1200, CPU 1214C, AC/DC/Relay, 85–264 V AC; 14 digital, 24 V DC; 10 relay outputs.
- 6ES7214-1HG40-0XB0 SIMATIC S7-1200, CPU 1214C, DC/DC/Relay, 20.4–28.8 V DC; 14 digital, 24 V DC; 10 relay outputs.
- 6ES7215-1AG40-0XB0 SIMATIC S7-1200, CPU 1215C, DC/DC/DC, 20.4–28.8 V DC; 14 digital, 24 V DC; 10 transistor outputs.
- 6ES7215-1BG40-0XB0 SIMATIC S7-1200, CPU 1215C, AC/DC/Relay, 85–264 V AC; 14 digital, 24 V DC; 10 relay outputs.
- 6ES7215-1HG40-0XB0 SIMATIC S7-1200, CPU 1215C, DC/DC/Relay, 20.4–28.8 V DC; 14 digital, 24 V DC; 10 relay outputs.
- 6ES7217-1AG40-0XB0 SIMATIC S7-1200, CPU 1217C, DC/DC/DC, 20.4–28.8 V DC; 10 × 24 V DC + 4 × RS422/485 differential inputs; 6 × 24 V DC + 4 × RS422/485 differential outputs outputs.
- 6ES7212-1AG50-0XB0 SIMATIC S7-1200 G2, CPU 1212C, DC/DC/DC, 20.4–28.8 V DC; 8 digital, 24 V DC; 6 transistor outputs.
- 6ES7212-1BG50-0XB0 SIMATIC S7-1200 G2, CPU 1212C, AC/DC/Relay, 85–264 V AC; 8 digital, 24 V DC; 6 relay outputs.
- 6ES7212-1HG50-0XB0 SIMATIC S7-1200 G2, CPU 1212C, DC/DC/Relay, 20.4–28.8 V DC; 8 digital, 24 V DC; 6 relay outputs.
- 6ES7214-1AH50-0XB0 SIMATIC S7-1200 G2, CPU 1214C, DC/DC/DC, 20.4–28.8 V DC; 14 digital, 24 V DC; 10 transistor outputs.
- 6ES7214-1BH50-0XB0 SIMATIC S7-1200 G2, CPU 1214C, AC/DC/Relay, 85–264 V AC; 14 digital, 24 V DC; 10 relay outputs.
- 6ES7214-1HH50-0XB0 SIMATIC S7-1200 G2, CPU 1214C, DC/DC/Relay, 20.4–28.8 V DC; 14 digital, 24 V DC; 10 relay outputs.