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SKU: PW441-11

Yokogawa PW441-11 POWER SUPPLY MODULE

The Yokogawa PW441-11 is a 100-240V AC power supply module for CENTUM VP control systems. It provides regulated power with built-in surge and short-circuit protection. This hot-swappable unit supports redundant configurations to ensure uninterrupted operation in critical DCS applications.

The Yokogawa PW441-11 serves as a high-reliability energy source for CENTUM VP control systems. This module converts standard alternating current into stabilized direct current for internal electronic components. It effectively handles fluctuations in voltage and frequency to prevent processor resets. Furthermore, the unit acts as a primary barrier against electrical noise from the main power grid. Its high-efficiency conversion circuit minimizes heat generation inside the control cabinet. As a result, the module extends the service life of adjacent hardware components.

System Stability and Protection Features

This power supply module includes integrated safeguards to protect sensitive DCS hardware. It monitors output levels constantly to detect overvoltage or short-circuit conditions. If a fault occurs, the module engages protective shutdowns to prevent cascading system damage. Engineers often install these units in redundant pairs to achieve maximum uptime. This configuration allows one module to carry the full load if the other fails. Additionally, the unit filters high-frequency interference that typically disrupts data communication.

Key Technical Specifications

The PW441-11 features a robust design capable of operating in demanding factory environments. Its wide input range makes it suitable for global industrial electrical standards.

  • Module Function: System Power Supply
  • Input Voltage Range: 100 to 240V AC (Wide Range)
  • Input Frequency: 50/60 Hz
  • System Series: CENTUM VP / FIO
  • Output Protection: Overvoltage and overcurrent limiting
  • Mounting Style: Standard base plate installation
  • Weight: 0.6 kg
  • Physical Dimensions: 4.8 x 14.6 x 13 cm
  • Operating Temperature: Supports standard industrial ambient limits
  • Redundancy: Supports dual-module redundant configurations

Maintenance and Industrial Reliability

The hardware supports hot-swap replacement to simplify routine maintenance tasks. Technicians can replace a faulty power unit without shutting down the entire control station. This capability is vital for continuous process industries like oil refining. Moreover, the module provides status feedback through clear front-panel indicators. These LEDs help maintenance crews identify power issues at a glance. By combining durable Japanese engineering with advanced safety logic, the PW441-11 ensures consistent plant productivity.