IC695PSA040
IC695PSA040
IC695PSA040
IC695PSA040

GE IC695PSA040 | 40 W Multi-Voltage Power Supply

  • Brand: GE (now Emerson)
  • Model: IC695PSA040
  • Product Type: Universal Backplane Power Supply Module
  • Series: PACSystems RX3i
  • Core Function: Delivers regulated 5.1 V, 3.3 V, and 24 VDC rails to RX3i backplane; provides 24 V relay output for output modules; supports auto-ranging AC/DC input
  • Key Specs: 40 W total output, 85-264 VAC or 100-300 VDC input, 10 A @ 24 V, hot-swap capable, -40 … +70 °C operational
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Part number: IC695PSA040-1
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Description

IC695PSA040 Product Overview
The IC695PSA040 is a 40 W auto-ranging power-supply module that snaps into any slot of an RX3i Universal Backplane. It converts a wide-range AC or DC source (85-264 VAC or 100-300 VDC) into three regulated outputs—+5.1 V, +3.3 V, and +24 V—needed by the CPU, analog, and digital I/O modules. A separate +24 V relay output terminal is provided to energize the coils of output-relay modules, eliminating the need for an external 24 V supply.
Within the automation architecture the supply sits at the “backplane power” layer: it delivers up to 30 W on the 5.1 V rail, 30 W on the 3.3 V rail, and 40 W on the 24 V rail, with electronic current limiting and auto-restart on overload. Front-panel LEDs indicate Power Good, P/S Fault, Over-Temperature, and Overload, while a 20 ms hold-up time bridges brief input interruptions—enough to keep the CPU alive during a one-cycle AC dip.

Because only one IC695PSA040 is permitted per Universal Backplane, the card is typically used in simplex configurations; if more capacity or redundancy is required, additional modules must be placed in expansion or remote backplanes.

IC695PSA040

IC695PSA040

Technical Specifications
  • Model Number: IC695PSA040
  • Manufacturer: GE / Emerson
  • Product Type: Universal Backplane Power Supply

  • Input Voltage Range: 85-264 VAC (47-63 Hz) or 100-300 VDC

  • Input Power: 70 W max at full load

  • Output Power: 40 W total (5.1 V ≤ 30 W, 3.3 V ≤ 30 W, 24 V ≤ 40 W)

  • Output Voltages:
    • +5.1 VDC @ 0-6 A
    • +3.3 VDC @ 0-9 A

    • +24 VDC @ 0-1.6 A (relay output)

  • Hold-up Time: ≥ 20 ms at 120 VAC input

  • Isolation: 250 VAC continuous, 1500 VAC for 1 min (input to backplane)

  • Protection: Electronic current limit, auto-restart on overload, non-replaceable internal fuse backup

  • LED Indicators: Power (green/amber), P/S Fault (red), Over-Temp (amber), Overload (amber)

  • Wire Size: 14-22 AWG, 6 A per terminal

  • Temperature: -40 … +70 °C operational; -40 … +85 °C storage

  • Agency Approvals: UL, CE, ATEX Zone 2, ABS, BV, DNV-GL, LR

    IC695PSA040

    IC695PSA040

Core Features & Customer Value
Auto-ranging input – Accepts 85-264 VAC or 100-300 VDC without jumpers, so the same part number works worldwide and rides through plant battery float-voltage swings without nuisance shutdowns.
Multi-rail in one slot – Delivers logic (5.1 V & 3.3 V) and relay (24 V) power from a single module, eliminating separate 24 V supplies and their associated wiring, fusing, and heat.
Hot-swap capability – Module can be inserted or removed while the RX3i rack is powered, reducing downtime during supply replacement or capacity upgrades.
Front-panel diagnostics – Four LEDs give immediate indication of power-good, overload, over-temperature, or internal fault, allowing maintenance staff to identify a failing supply without a multimeter.
20 ms ride-through – Holds outputs valid for at least 20 ms at 120 VAC input, bridging one-cycle drops and keeping the CPU alive during upstream breaker transfers.
Typical Applications
In combined-cycle plants the IC695PSA040 is routinely installed in the left-most slot of the RX3i Universal Backplane that governs gas-turbine fuel valves, inlet-guide-vane actuators, and cooling-water pumps. The 24 V relay output feeds the coils of high-density output modules, while the 5.1 V rail powers the CPU and high-speed counter modules.
In pipeline compressor stations the same supply runs off 125 VDC battery, providing uninterrupted power to the anti-surge PLC and the 24 V solenoid valves even during AC outages.
Because the module is certified for Zone 2 and marine environments, it is also used on off-shore platforms for well-head control panels without needing additional isolation transformers.

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