Overview
The Foxboro FPS400-24 is a high-reliability 24 V DC, 400 W industrial power supply used in Foxboro I/A Series control systems. It provides stable power for fieldbus modules, controllers, I/O modules, and auxiliary industrial loads. The unit is designed for harsh environments and supports Class I Division 2 / Zone 2 hazardous area applications.
General Information
Part Number: FPS400-24
Manufacturer: Foxboro (Schneider Electric)
Series: I/A Series / 200-Series Power Supplies
Type: Industrial 24 V DC regulated power supply
Mounting: DIN-rail or panel-mount installation
Application: Fieldbus power, backplane power, auxiliary 24 V DC distribution
Power Specifications
Input Voltage: 85–265 V AC (universal AC input) or 18–35 V DC (DC input version)
Output Voltage: 24 V DC regulated
Output Power: 400 W
Output Current: Up to approximately 16.7 A
Protection Features: Overvoltage shutdown, dual-stage current limiting, short-circuit protection
Efficiency: Up to ~95%
Design: Transformer isolation and low-noise stabilized output
Communication & Interface
Power Output: Supplies 24 V DC to field devices, I/O baseplates, and control modules
Alarm Relay: Form-C relay contact for power-supply fault indication
Connections: Spring-clamp terminals for input/output wiring
Indicators: Front-panel LED status indicators for power and fault
Mounting Interface: DIN-rail clip and screw-mount options
I/O & Load Support
Supported Loads: DCS baseplates, control modules, fieldbus modules, sensors, and low-voltage industrial devices
Maximum Load: Total load must not exceed module’s rated 400 W output capacity
External Device Support: Suitable for powering external transducers and instruments
Environmental
Operating Temperature: –40 °C to +70 °C
Humidity: 5–95% RH, non-condensing
Environmental Rating: Suitable for industrial and hazardous-area use (Div 2 / Zone 2)
Cooling: Passive convection cooling, no internal fan
Dimensions & Weight
Dimensions (H × W × D): Approx. 230 × 112 × 65 mm
Weight: Approximately 2.82 kg
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