Description
Product Description
Overview
The PW442-50-S2 power supply module from Yokogawa delivers stable and regulated DC power for mission-critical automation systems. Engineered for high reliability, this module maintains consistent voltage under varying load conditions, making it ideal for continuous operation in architectures such as CENTUM and ProSafe systems. Built-in protection mechanisms and robust isolation ensure safe and dependable performance in demanding industrial environments. This unit has been discontinued by the manufacturer, but Radwell provides a 2-year warranty for assurance.
Technical Specifications
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Model: PW442-50-S2
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Input Voltage Range: 100-120 VAC / 200-240 VAC auto-select
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Input Frequency: 50 / 60 Hz
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Output Voltage: 24 VDC regulated
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Output Current: 0.7 to 5 Amps
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Output Power: 120 Watts typical
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Efficiency: ≥ 80%
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Load Regulation: ±1%
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Ripple and Noise: ≤ 50 mVp-p
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Protection: Overload, overvoltage, short-circuit, thermal
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Operating Temperature: 0 to 55 C
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Storage Temperature: -20 to 70 C
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Humidity: 10-90 percent RH non-condensing
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Cooling Method: Natural air convection
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Status: Discontinued by Manufacturer
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Warranty: Radwell 2-Year Warranty
Applications
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Replacement power module for Yokogawa field control stations
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Suitable for high-availability control systems and safety-critical platforms
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Provides reliable regulated DC power for instrumentation and control circuits
Similar Model Comparison
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PW442-20: Lower maximum current and power, suitable for smaller loads
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PW442-100: Higher output capacity for larger control modules
FAQ
Q: Can PW442-50-S2 be used in modern CENTUM systems?
A: Yes, the module provides the required 24 VDC regulated output and supports high-reliability architectures.
Q: Is the original manufacturer warranty valid?
A: No, but Radwell offers a 2-year warranty on this discontinued module.
