PW401-S2 | Yokogawa Redundant Industrial Power Supply

Product Description

Overview

The Yokogawa PW401-S2 power supply module delivers reliable and regulated DC output for FCS CPU and I/O modules. Designed for industrial automation systems, it converts standard AC input into stable DC power while supporting redundancy for uninterrupted operation. Moreover, its hot-swappable design enables maintenance without system downtime, making it ideal for mission-critical applications in petrochemical, power generation, and refining industries.

Technical Specifications

• Model Number: PW401-S2

• Type: Power Supply Module

• System Compatibility: Yokogawa CENTUM VP / CS 3000 FCS

• Input Voltage: 100–120 V AC / 200–240 V AC (auto-select)

• Input Frequency: 50/60 Hz

• Output Voltage: +5 V DC, +24 V DC (regulated)

• Output Current Capacity: 5 V DC @ up to 20 A, 24 V DC @ up to 2 A

• Power Consumption: 150 W

• Redundancy: Supports dual-module redundant operation

• Cooling Method: Natural convection / forced air

• Hot-Swappable: Yes

• Dimensions (H × W × D): 300 × 40 × 150 mm

• Weight: 2.5–3.0 kg

• Operating Temperature: 0 °C to +50 °C

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

• Humidity Range: 10–90% RH, non-condensing

• Certifications: CE, UL, CSA, TUV

• Country of Origin: Japan

FAQ

Q1: What systems are compatible with PW401-S2?
A: Yokogawa CENTUM VP and CS 3000 FCS subsystems.

Q2: Can this module operate in redundancy mode?
A: Yes, dual PW401-S2 modules can operate in parallel for backup.

Q3: Is it hot-swappable during operation?
A: Yes, it can be replaced without shutting down the system.

Q4: What output voltages does it provide?
A: +5 V DC (up to 20 A) and +24 V DC (up to 2 A).

Q5: What is the operating temperature range?
A: 0 °C to +50 °C for stable industrial performance.