Specifications

• Manufacturer: Westinghouse (Emerson)

• Model: 3D04141G01

• Type: Dual Redundant Power Supply Assembly

• Power Modules: (2) PM2722A-1 DC-DC converters

• Input: 24/48/125 VDC (site‑specific)

• Output: Regulated DC for WDPF backplane

• Mounting: Standard WDPF rack slot

• Status: End‑of‑life (EOL), available as refurbished/used spares

Key Features

• Redundant Operation: Dual PM2722A-1 units provide 1+1 redundancy; automatic failover if one supply fails.

• Backplane Power: Supplies stable DC power to WDPF CPU, I/O, and communication modules.

• Integrated Tray: Comes pre‑wired and mounted in a metal rack tray for easy installation and replacement.

• Built‑in Protection: Overvoltage, overcurrent, and short‑circuit protection on both outputs.

• LED Status Indicators: Show power OK, fault, and active supply status for quick diagnostics.

Applications

• WDPF DCS Systems: Used in thermal power, nuclear power, petrochemical, and large water treatment plants.

• Critical Control Rooms: Provides reliable, redundant power for WDPF racks hosting process controls and safety interlocks.

• Legacy System Maintenance: A key replacement part for aging WDPF installations still in operation.

Notes

• Not Compatible with Ovation: Designed exclusively for WDPF DCS; cannot be used with Emerson Ovation systems.

• Spares Market: New units are no longer produced; most available stock is refurbished, tested, and warranted by specialty vendors.

• Requires Qualified Installation: Replacement should be performed by technicians familiar with WDPF power systems.