Yokogawa NFPW442-10 Industrial Power Supply Module – Product Description

Overview

The Yokogawa NFPW442-10 is a high-performance industrial power supply module designed for continuous and reliable operation. Moreover, its compact, rack-mounted design ensures seamless integration into CENTUM VP and ProSafe‑RS systems while maintaining high reliability in mission-critical environments.

Technical Specifications

Electrical & Output

• Input Voltage: 100–240 V AC, 50/60 Hz (universal input)

• Output Voltages: 24 V DC and 5.1 V DC regulated

• Output Current Capacity: 24 V DC = 10 A, 5.1 V DC = 7.8 A

• Output Power: 240 W class

• Ripple & Noise: < 50 mV peak-to-peak

• Efficiency: 85% typical

• Protection: Overcurrent, short-circuit, overvoltage

• Redundancy: Supports dual redundant operation

Performance

• Reliability: Designed for 24/7 continuous operation in harsh industrial environments

• Hot-Swap Capability: Can be replaced without system shutdown

• Diagnostics: LED indicators for input/output status and fault detection

Mechanical

• Mounting: Rack-mounted in NF Series backplane or cabinet

• Dimensions (W × H × D): 280 × 100 × 280 mm

• Weight: 1.1kg

• Cooling: Natural convection (fan-free)

• Protection: IP20

Communication & Integration

• Interface: Supplies regulated DC power via Yokogawa NF backplane bus

• Compatibility: CENTUM VP DCS and ProSafe‑RS SIS

• Configuration: Managed via Yokogawa engineering tools for redundancy and monitoring

Environmental & Compliance

• Operating Temperature: 0 °C to +55 °C

• Storage Temperature: −20 °C to +70 °C

• Relative Humidity: 5–95% non-condensing

• Certifications: CE, UL, CSA, ATEX (depending on configuration)

• Origin: Manufactured in Japan

FAQ

Q1: What are the output voltage and current specifications?
The module provides 24 V DC at 10 A and 5.1 V DC at 7.8 A continuous.

Q2: Can the power supply operate continuously?
Yes, it is designed for 24/7 continuous operation in harsh industrial environments.

Q3: Does the module support redundancy?
Yes, dual redundant operation ensures fault-tolerant system performance.

Q4: Is it hot-swappable?
Yes, the module can be replaced without shutting down the system.

Q5: What protections are included?
Built-in overcurrent, short-circuit, and overvoltage protections ensure safe operation.