Core Overview
Model No.: P0922YU (Alias FPS400-24)Brand: Foxboro (Schneider Electric / Invensys legacy)Product Line: I/A Series DCS, exclusively for 200-Series FBM baseplate power feedingFunction: 400W industrial DIN-rail power supply delivering regulated 24VDC to fieldbus FBM I/O racks in petrochemical, power & refining control cabinets
Key Electrical Parameters
- Input Range: 85~265VAC (47–63Hz) / 108~145VDC, nominal 120/240VAC or 125VDC
- Output Spec: 24VDC, 16.7A continuous, total rated output power = 400W
- Efficiency: Up to 95% under full rated load; low ripple noise ≤100mV peak-peak
- Input Current: Max 5.6A@85VAC, 2.5A@230VAC
Built-in Circuit Protection
- Dual-stage overload current limiting (trip above 110% rated load @25℃)
- Overvoltage shutdown at 28VDC factory preset threshold
- Internal non-serviceable 10A slow-blow fuse
- Short-circuit auto-lock protection
- Isolation rating: 3000VAC input-output; 500VAC output-chassis ground
Mechanical & Environmental Data
- Dimension: 215×195×107mm | Net Weight: 2.67kg
- Mounting: Horizontal / vertical DIN rail or wall bracket mount (vertical needs accessory X0175TQ DIN clamp)
- Cooling: Full convection cooled, zero built-in fan for low maintenance
- Operating Temp: -30℃ ~ +71℃; Storage: -55℃ ~ +85℃; 5~95%RH non-condensing humidity
- Altitude Rating: Operate up to 3000m above sea level
Certification & Hazardous Area Approval
UL / CE / CENELEC / ATEX certified; approved for Class I Div.2 & Zone2 explosive hazardous locations (IIC T3) for oil & gas, chemical plant cabinet installation.
Field Application & Compatibility
Only factory-qualified power source for Foxboro 200-series DIN-mounted FBM baseplates (FBM201/FBM204/FBM230 etc.) inside I/A DCS marshalling cabinets; used to power both backplane logic and connected field instrument loops.Cross reference counterpart: P0922YC (24VDC input variant of FPS400-24 series)
Common On-site Troubleshooting Notes
- Red LED alarm triggers on overvoltage/overload/short-circuit cut-off; cut all rack load first before power reset
- Excess cabinet ambient over 71℃ accelerates aluminum housing heat saturation leading to intermittent shutdown
- Vertical DIN installation missing X0175TQ clamp will cause loose mounting and unstable power output under vibration
Sales Disclaimer
The listed price is for reference only, final unit price negotiable based on stock volume and market fluctuation.







