The Yokogawa A2PW503-S0002 Power Supply Unit is a high-performance industrial-grade power supply module designed specifically for Yokogawa control systems. It provides a stable and reliable source of DC power to ensure continuous operation of distributed control systems (DCS), programmable logic controllers (PLC), and industrial instrumentation.

This power supply unit is engineered with advanced protective circuits, high efficiency, and robust mechanical construction. It safeguards critical automation systems against voltage fluctuations, overloads, and electrical disturbances, ensuring uninterrupted system performance even in demanding environments.

The A2PW503-S0002 is widely utilized in industries such as oil & gas, petrochemical, power generation, water treatment, and manufacturing, where consistent and reliable power supply is essential for process stability and safety.

Product Specifications

Applications

The Yokogawa A2PW503-S0002 Power Supply Unit is used in a wide range of industrial environments, including:

• Distributed Control Systems (DCS): Ensures stable power supply for Yokogawa CENTUM series control platforms.

• Programmable Logic Controllers (PLC): Provides regulated DC power for logic and automation modules.

• Process Instrumentation: Supplies power to transmitters, controllers, and signal conditioners.

• Power Plants: Maintains critical control power for turbines and generators.

• Oil & Gas Facilities: Supports continuous operation in hazardous and offshore conditions.

• Manufacturing and Chemical Plants: Guarantees reliability for continuous production processes.

Advantages

• High Stability: Provides precise and regulated DC output for sensitive control electronics.

• Robust Protection: Built-in overvoltage, overcurrent, and short-circuit safeguards prevent system damage.

• Wide Input Range: Accepts 100–240 VAC, making it suitable for global industrial applications.

• High Efficiency: Reduces energy loss and minimizes heat generation.

• Compact and Modular Design: Easily fits into rack-mounted systems without excessive space requirements.

• Extended Operating Range: Performs reliably in harsh industrial temperature conditions.

• Easy Maintenance: Modular construction allows quick replacement without system downtime.

• Proven Reliability: Designed and manufactured by Yokogawa, a trusted leader in process automation.

FAQ

1. What type of output regulation does the A2PW503-S0002 provide?

   It provides tightly regulated DC voltage with minimal ripple to ensure stability for sensitive electronics.

2. How does the unit protect against power surges?

   It includes built-in overvoltage and surge suppression circuits that safeguard connected equipment.

3. Can the power supply be used in redundant configurations?

   Yes, multiple units can be configured in parallel for redundancy to enhance system reliability.

4. Does it support hot-swapping?

   In most modular rack configurations, it allows replacement without shutting down the entire system.

5. What is the recommended operating temperature range for reliable use?

   The unit is designed to operate between -20°C and +70°C without performance degradation.

6. How does the unit handle short-circuit conditions?

   It has an automatic shutdown feature and resumes operation once the fault is cleared.

7. Is it suitable for continuous 24/7 operation?

   Yes, it is specifically built for continuous industrial applications with high reliability.

8. What is the maximum load current supported?

   It can support up to 5 A of regulated DC output.

9. Can the unit be used in hazardous area installations?

   When installed within certified enclosures, it can be integrated into hazardous or offshore environments.

10. How is cooling achieved in high-load applications?

    Depending on system configuration, it uses natural convection or forced air to maintain safe operating temperatures.