Product Details
Configured for power conversion and distribution across DIN rail mounted baseplates, the Foxboro P0922YU FPS400-24 (P0922YU Power Supply) provides direct physical/electrical execution. Delivering 400 W of regulated 24 VDC output power, it supports Division 2 and Zone 2 hazardous location applications within industrial control environments.
Suffix Breakdown & Model Matrix
- FPS400-24: Base catalog designation representing the 400 W, 24 VDC output DIN rail power supply architecture.
- P0922YU: Specific manufacturing part identifier and input configuration suffix defining support for 120/240 VAC or 125 VDC nominal input power rails.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | P0922YU (FPS400-24) |
| Brand | Foxboro |
| Origin | Consult Factory |
| Weight | Standard Industrial Power Supply Class |
| Dimensions | DIN Rail Mounted Form Factor |
| Operating Temp | -40 deg C to 60 deg C (Derated per specifications) |
| Power Consumption | 400 W Maximum Output |
| Input Voltage Range | 85 to 265 VAC or 108 to 145 VDC (125 VDC nominal) |
| Input Frequency | 47 to 63 Hz |
| Output Voltage | Factory set at 24.0 V DC |
| Isolation Voltages | 3000 VAC input to output, 1500 VAC input to chassis ground |
| Overvoltage Protection | Factory set at 28.0 V DC |
4-20 mA HART Loop Protocol and Isolation
The power supply maintains stable voltage rails for sensitive instrumentation loops, ensuring reliable power delivery to modules communicating via 4-20 mA HART loop protocol and FOUNDATION Fieldbus / Profibus PA connectivity links. Robust galvanic isolation barriers—including 3000 VAC input-to-output isolation and 500 VAC output-to-chassis ground separation—prevent line transients and common-mode noise from propagating into downstream control loops or corrupting backplane data exchanges.
Frequently Asked Questions
Q: What are the acceptable input voltage ranges for the P0922YU power supply unit?
A: It accepts an input voltage range of 85 to 265 VAC or 108 to 145 VDC, supporting a 125 VDC nominal input.
Q: How does the power supply handle internal overvoltage conditions?
A: Overvoltage protection is factory set at 28.0 VDC to safeguard connected DIN rail FBM, FCM, and FCP modules.
Q: What is the isolation voltage rating between the input terminals and chassis ground?
A: The isolation voltage between input and chassis ground is rated at 1500 VAC.
Field Installation Guidelines
Mount the unit securely onto a standard industrial DIN rail within a ventilated enclosure, ensuring adequate vertical clearance for thermal convection cooling. Verify that AC or DC input lines are completely de-energized before making terminal connections. Ground the chassis terminal directly to the cabinet ground bus using a low-impedance conductor to maintain electromagnetic compatibility and personnel safety.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.






























