The Schneider Electric/Invensys/Foxboro P0922YU is a 400 W DIN rail mounted power supply engineered to deliver stable 24 V DC output for industrial automation and DCS applications. Qualified for Foxboro DCS 200 Series Fieldbus Modules, this unit accepts both AC and DC inputs across a wide voltage range, supporting global deployment scenarios. Agency certified for Division 2 and Zone 2 hazardous locations with G3 rating for harsh environments.
Technical Specifications
Input
• AC input: 85–265 VAC, 47–63 Hz
• DC input: 108–145 VDC (nominal 125 VDC)
• Maximum input current: 5.6 A at 85 VAC RMS; 2.5 A at 230 VAC RMS
• Inrush current: 20 A peak at 110 VAC; 40 A peak at 220 VAC (cold start)
Output
• Voltage: 24.0 V DC ±0.2 V (factory set)
• Maximum current: 16.7 A
• Line regulation: 2.0% of Vout
• Load regulation: 2.0% of Vout
• Ripple and noise: 100 mV peak-to-peak; 10 mV RMS maximum
• Temperature coefficient: 0.025% per °C
• Soft-start time: 3 seconds typical
• Load transient recovery: within 50 ms
Efficiency
• 77% minimum at 85 VAC; 85% typical at 120 VAC; 92% typical at 230 VAC; up to 95%
– Key Features
• Over-current protection with 110% current limiting at rated 25 °C load
• Overvoltage shutdown set at 28.0 V DC
• 10 A slow-blow internal fuse (non-user accessible)
• Input-to-output isolation: 3000 V AC
• Output-to-chassis isolation: 500 V AC
• Convection cooling (fan-free design)
• Gasketed, sealed housing for environmental durability
– Typical Applications
• Fieldbus module power in DCS 200 Series deployments
• Industrial automation systems requiring hazardous location certification
• Control systems in Division 2 and Zone 2 environments
– Compatibility & Integration
Qualified for integration with Foxboro DCS 200 Series Fieldbus Modules. UL®, UL-C, and CENELEC certified. Compliant with Class 1, Division 2 and Zone 2 hazardous location requirements.














