Siemens 6ES7921-4BC50-0AA1
MPN6ES7921-4BC50-0AA1
Active
Front connector S7-400 for digital Pre-assembled with 4 round Cables 0.14 mm2, L = 2.5 m for digital connection modules
$350.00Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Product designation | Pre-assembled front connector |
| Target system | SIMATIC S7-400 |
| Suitability / intended use | Digital I/O modules |
Connection & Wiring
| Parameter | Value |
|---|---|
| Number of poles | 48; of the front connector |
| Number of poles, 1st interface | Cable is directly connected |
| Electrical connection type, connecting cable | Screw-type terminal |
Electrical
| Parameter | Value |
|---|---|
| Rated current | 1 A |
| Rated value | 60 V |
| Overvoltage category | 2 |
Mechanical
| Parameter | Value |
|---|---|
| Mounting type | direct mounting |
| Terminal position | at the top |
| Cable length, max. | 2.5 m; between front connector module and terminal module |
Environmental
| Parameter | Value |
|---|---|
| Operating temperature range | 0 ... 60 °C |
| Operating temperature range | 0 ... 60 °C |
| Storage temperature range | -30 ... +70 °C |
| Pollution degree | 2 |
Approvals
| Parameter | Value |
|---|---|
| Ex e (EEx e) protection type tested | No |
MPN
6ES7921-4BC50-0AA1