$2,780.00 Original price was: $2,780.00.$1,360.00Current price is: $1,360.00.
The ABB CMA121 (3DDE300401) is a high‑efficiency, hot‑swappable 24 V DC power supply card for ABB SYNPOL D / Symphony DCS, providing stable, regulated power with comprehensive protection.
| Parameter | Details |
|---|---|
| Model | CMA121 (3DDE300401) |
| Manufacturer | ABB |
| Type | Industrial DC Power Supply Card |
| Input Voltage | 85–264 V AC / 90–300 V DC |
| Output | 24 V DC ±1%, 5 A continuous (10 A peak/10 s) |
| Efficiency | >88% @ full load |
| Protections | Overload, overvoltage, overtemperature, reverse polarity |
| Isolation | Input‑output 3 kV AC, input‑ground 2 kV AC |
| Operating Temp | 0°C to +60°C |
| Storage Temp | -40°C to +85°C |
| Dimensions (W×H×D) | 28 mm × 185 mm × 128 mm |
| Weight | 0.54 kg |
| Form Factor | 3U Eurocard, plug‑in |
| Mounting | Standard subrack |
| Certifications | CE, UL, CSA |
| Applications | SYNPOL D, Symphony DCS, industrial control systems |
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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