May 26, 2026

Foxboro P0176VU Product Description

The Foxboro P0176VU is a high-efficiency I/A Series Power Supply Module designed for Foxboro DCS (now Schneider Electric). It delivers stable, regulated DC power to I/A Series backplanes, controllers, and I/O modules, serving as a critical power distribution unit for distributed control systems. Built to ISA S71.04 G3 industrial standards, it offers robust protection against voltage fluctuations, overcurrent, and short circuits, ensuring continuous, reliable power delivery in harsh process environments. The P0176VU supports redundant power configurations, minimizing downtime and enhancing system availability for mission-critical industrial automation.

Description

Foxboro P0176VU Product Description

Product Overview

Basic Information

Manufacturer: Foxboro (Invensys, now Schneider Electric)
Model: P0176VU
Product Type: Power Supply Module, I/A Series P0 Series
Applicable System: Foxboro I/A Series DCS; compatible with standard I/A Series backplanes and controller racks
Mounting Style: Slot-mounted on I/A Series backplanes; hot-swap capable
Protection Rating: IP20 (enclosure); designed for control cabinet installation
Certifications: CE, UL, CSA compliant; meets ISA S71.04 G3 harsh environment specifications
Input Voltage: 85–265 VAC universal input; 50/60 Hz
Output Voltage: 24 VDC regulated
Output Current: Up to 5 A continuous
Power Efficiency: ≥85% at full load
Operating Temperature: 0°C to +60°C
Storage Temperature: -40°C to +85°C
Relative Humidity: 5%–95% non-condensing
Vibration/Shock: ISA S71.04 G3 compliant
Weight: Approximately 0.55 kg
Dimensions: 130 mm × 90 mm × 40 mm (H × W × D)
Country of Origin: United States
Warranty: 5-year standard manufacturer warranty

Function and Positioning

The Foxboro P0176VU is positioned as a reliable, high-efficiency power backbone for I/A Series DCS, engineered to provide clean, stable power to all system components. Its core functions include AC-to-DC conversion, voltage regulation, overcurrent/overvoltage protection, and fault monitoring. It supports redundant parallel operation, enabling seamless failover if one unit fails, thus eliminating single points of failure. Integrated LED indicators and remote DCS diagnostics allow real-time monitoring of power status, load levels, and fault conditions. The P0176VU ensures consistent power quality to prevent data corruption and equipment damage, making it essential for maintaining system integrity and uptime in industrial control environments.

Core Performance Parameters

Input Range: 85–265 VAC, 50/60 Hz, universal input for global compatibility.
Output Specification: 24 VDC ±1% regulation, up to 5 A continuous current.
Efficiency & Load: ≥85% efficiency at full load; 20%–100% load range stable operation.
Protection Features: Overvoltage, overcurrent, short circuit, and overtemperature protection; auto-recovery after fault clearance.
Redundancy Support: N+1 redundant operation; active current sharing for balanced load distribution.
Diagnostic Indicators: LEDs for power OK, load status, and fault alarm; remote fault logging via DCS.
Isolation: Galvanic isolation between input and output to suppress noise and ground loops.
Cooling: Passive convection cooling; no fans, reducing maintenance and noise.
Environmental Stability: Operates reliably at 0°C to +60°C; EMI/RFI resistant per ISA G3 standards.
Hot-Swap Support: Online replacement without system shutdown or power interruption.

General Adaptable Accessories

Mounting Accessories: I/A Series standard backplanes, slot guide rails, module retention clips, rack mounting hardware.
Input Power Accessories: AC power cables, terminal blocks, surge protectors, EMI filters, power distribution units.
Output Distribution Accessories: 24 VDC distribution buses, fuse kits, cable harnesses, redundant power diodes.
Replacement Parts: Internal cooling fans (if applicable), fuse assemblies, enclosure gaskets, LED indicator boards.
Diagnostic & Monitoring Tools: I/A Series diagnostic software, power quality analyzers, voltage/current meters, fault simulation tools.
Environmental Protection Accessories: Cabinet cooling fans, dust filters, vibration isolation mounts, temperature/humidity monitors.
Cable Management: Shielded cable ties, cable organizers, cable trays for neat, low-interference wiring.

Applicable Equipment and Fields

The Foxboro P0176VU is designed for Foxboro I/A Series DCS installations across process industries requiring stable, redundant power for control systems. Key application sectors include oil and gas (refineries, offshore platforms), chemical manufacturing, thermal power generation, pulp and paper, municipal water and wastewater treatment, pharmaceuticals, metals and mining, and food and beverage. It powers I/A Series controllers, I/O modules, communication cards, and field devices in medium to large-scale distributed control systems. The module’s rugged design, wide input range, and redundancy capability suit high-reliability industrial environments, ensuring uninterrupted control operation, protecting sensitive electronics, and supporting predictive maintenance for industrial facilities.

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