Foxboro FPS400-24 P0922YU 400W Specialized Power Supply Module for DCS

I. Basic Information
Full model: FPS400-24, Material Code: P0922YU
Brand: Foxboro (a part of Schneider’s I/A Series Evo DCS)
Category: DIN rail-mounted industrial disconnect switch power supply, specifically for Compact 200 series FBM fieldbus I/O base, FTA terminal board power supply…
Model differentiation
P0922YU: AC/DC universal input version (AC 85~265V / DC 108~145V)
P0922YC: Only 24VDC input, the two have different hardware and cannot be interchanged

Core Electrical Parameters
1. Input Specifications (exclusive to P0922YU)
AC Input: 85~265V AC, 47~63Hz, universal power supply for the world
DC Input: 108~145V DC (compatible with 110V control DC panel in substations)
Power factor correction, maximum full-load efficiency 95%
2. Output Specifications
Rated Output: 24VDC / 16.7A, total power 400W
Stabilization accuracy: ±0.2V, ripple peak-to-peak ≤ 100mV
Multiple independent output terminals: 4 24V power channels, can be used to supply power to multiple rows of FBM racks
Isolation: Transformer for strong and weak electrical isolation, 2kV insulation withstand voltage
3. Complete Hardware Protection
Double-level current limiting, short circuit self-recovery protection
Output overvoltage protection (threshold 28VDC, automatic shutdown)
Overtemperature power reduction, overheating shutdown protection
Fault passive alarm relay (Form C contacts, can upload DCS alarm)

Structure and Installation
Cooling method: Fully sealed aluminum heat dissipation fins, no fan natural cooling, dustproof and moisture-proof
Installation: Standard 35mm DIN rail, supports horizontal / vertical installation, can also be screwed for wall mounting
Protection: Sealed housing, G3 harsh environment grade, explosion-proof certification Class 1 Div.2 / Zone2, suitable for oil and gas chemical explosion areas
Environmental temperature: -30℃ ~ +71℃ continuous operation
Size and weight: Approximately 220×107×60mm, net weight 2.3kg

 Panel Terminals and Indicators
Input: AC / DC power supply input terminals
Output 1~4: Four independent 24V outputs, with branch fuses
Alarm: Fault alarm relay contacts
Status lights:
Green: Normal power supply
Red: Overvoltage / Overcurrent / Overheat fault

Compatible Systems and Applications
The only matching system
Foxboro I/A Series Compact 200 DCS, provides centralized power supply for I/O cards such as FBM204/FBM247, terminal boards such as RH101 series FTA, original factory certified power supply, cannot be replaced by ordinary third-party switch power supply… Industry scenario
Petroleum refining, chemical production, auxiliary control for power plants, oil and gas platforms, pharmaceuticals, water treatment explosion-proof DCS cabinets

Comparison of power levels in the same series Table
Model Power Output Current Applicable Scenarios
FPS120-24 120W 5A Small I/O Rack
FPS240-24 240W 10A Medium I/O Rack
FPS400-24 400W 16.7A Full-featured Rack with Multiple FBM Rows (This Model)