$2,630.00 Original price was: $2,630.00.$2,210.00Current price is: $2,210.00.
The ABB DSAI146 (3BSE007949R1) is a high‑precision 31‑channel RTD analog input module for Advant OCS, designed for Pt100 temperature sensing in industrial process control.
| Parameter | Details |
|---|---|
| Model | DSAI146 |
| Part Number | 3BSE007949R1 |
| Manufacturer | ABB |
| Series | Advant OCS / S100 I/O |
| Product Type | Analog Input Module (RTD) |
| Input Channels | 31 channels (Pt100, 3‑wire) |
| Input Range | -200°C to +850°C |
| Accuracy | ±0.1°C |
| Resolution | 0.01°C |
| Power Supply | 24 V DC (±10%) |
| Power Consumption | ≤ 4.6 W |
| Operating Temperature | -30°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions (W×H×D) | 234 mm × 22.5 mm × 324 mm |
| Weight | 0.4 kg |
| Protection Rating | IP20 |
| Mounting | Rack mount |
| Certifications | CE, UL, CSA |
AC 800M is a family of rail-mounted modules, consisting of CPUs, communication modules, power supply modules and various accessories. There are several CPU modules to choose from, ranging from single units with medium processing power and memory to fully redundant units with high processing power.

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