



The Yokogawa NFPW442 is a high-reliability AC power supply module used in Yokogawa FCN / FCJ autonomous controller systems and related industrial automation platforms.
It is designed to convert 220–240 V AC input into stable DC power rails required by controller backplanes, CPU modules, and I/O subsystems. The module plays a critical role in ensuring stable system operation, clean power delivery, and continuous uptime in mission-critical industrial environments.
The NFPW442 is widely used in Yokogawa STARDOM and FCN-based control architectures, especially in oil & gas, power generation, and process automation systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Yokogawa |
| Model | NFPW442 |
| Product Type | Power Supply Module |
| Input Voltage | 220–240 V AC |
| Input Range | 170–264 V AC |
| Frequency | 47–66 Hz |
| Output Voltage | +5.1 V DC (system dependent) |
| Output Current | Up to ~7.8 A |
| Power Capacity | Approx. 40–60 W |
| Protection | Overvoltage / Overcurrent protection |
| Redundancy | Supported (system dependent configuration) |
| System Compatibility | FCN / FCJ / STARDOM platforms |
The NFPW442 is part of Yokogawa’s FCN controller power supply family and is designed for stable DC conversion in industrial control backplanes.
Physical Characteristics
| Item | Specification |
|---|---|
| Dimensions (W × H × D) | Approx. 49.7 × 130 × 146.5 mm |
| Weight | Approx. 0.6 kg |
| Mounting Type | Controller base unit / rack installation |
| Cooling Method | Natural convection (fanless design) |
| Construction | Industrial-grade power electronics module |
Recommended Related Models
- Yokogawa NFPW441 – 100–120 V AC power supply version
- Yokogawa NFPW444 – 24 V DC input power supply version
- Yokogawa NFBU series – FCN base unit modules
- Yokogawa CP series – controller processor modules
- Yokogawa ALE111 – communication interface module
Popular Yokogawa Models
- Yokogawa NFPW442 – 220–240 V AC power module
- Yokogawa CP471 – controller processor module
- Yokogawa ALF111 – fieldbus communication module
- Yokogawa ADV551 – digital output module
- Yokogawa CENTUM / STARDOM platforms – automation systems