Description
Product Specification: YOKOGAWA PW301 Modular Power Supply
The YOKOGAWA PW301 is a high-reliability modular power supply designed for industrial control systems, providing stable and efficient power distribution in critical applications. Engineered for compatibility with Yokogawa’s CENTUM DCS platforms, the PW301 ensures seamless integration and redundancy support, minimizing downtime in process-critical environments.
The
YOKOGAWA PW301 delivers precision power management for distributed control systems (DCS), offering:
- Multi-voltage Input: Supports 120/277V AC and 347V AC inputs for versatile deployment.
- Hot-Swap Capability: Enables module replacement without system shutdown.
- Redundancy Support: Dual-module configuration ensures continuous operation during maintenance.
- Compact Design: Space-saving dimensions (263×58×28 mm) for cabinet integration.
- High Power Density: Up to 5–10 W/cc efficiency for energy-intensive applications.
Parameter |
Specification |
Input Voltage |
120/277V AC, 347V AC |
Output Voltage |
24V DC (adjustable ±5%) |
Rated Power |
250W |
Efficiency |
92% at full load |
Operating Frequency |
300 kHz–1 MHz |
Dimensions |
263×58×28 mm |
Weight |
4.3 kg |
Cooling Method |
Natural convection |
MTBF |
200,000 hours |

- Reliability: 200,000-hour MTBF and 1-year warranty ensure long-term performance.
- Energy Efficiency: 92% efficiency reduces power consumption and heat generation.
- Flexibility: Supports parallel operation for scalable power requirements.
- Case Study: A petrochemical plant reduced maintenance costs by 15% using PW301’s redundant configuration.
- Process Industries: Petrochemical, oil, and gas plants for DCS power supply.
- Manufacturing: Automotive assembly lines for machine control systems.
- Energy: Power generation facilities for uninterrupted grid monitoring.
- Case Study: A power plant achieved 99.9% uptime using PW301 to power critical boiler control systems.

The PW301 outperforms alternatives with:
- Higher Power Density: 5–10 W/cc vs. 3–5 W/cc in comparable modules.
- Wider Input Range: Supports 347V AC for North American and international standards.
- Faster Installation: Plug-and-play design reduces setup time by 30%.
- Power Requirements: Choose PW301 for 250W applications; consider PW302 for higher capacities.
- Redundancy Needs: Opt for dual-module configurations in safety-critical processes.
- Environment: Ensure ambient temperature stays within -20°C to +60°C for optimal performance.
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Cabling: Use shielded wires to prevent EMI interference with control signals.
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Ventilation: Maintain adequate airflow to avoid overheating in enclosed cabinets.
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Surge Protection: Install transient voltage suppressors for unstable power grids.
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Software Compatibility: Verify CENTUM DCS firmware compatibility before deployment.
Shanxi Xinyeda International Trading Co., Ltd. is your trusted partner for [YOKOGAWA PW301] and other industrial automation spare parts. Visit our website www.xydcontrol.com or contact us for sales and technical support.
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