Product Core Brief

• Brand: GE Fanuc / Emerson Automation
• Model: IC695PSA140
• Series: PACSystems RX3i
• Core Function: 40W universal multi-purpose backplane power supply accepting wide-range AC or DC mains input; supplies regulated multi-rail logic power to RX3i universal backplane plus auxiliary 24VDC relay output, supports load sharing and N+1 redundant parallel operation for high availability control racks
• Type: Two-slot rack-mounted backplane power supply
• Condition: New Original (New Surplus)
• Status: ⚠️ Discontinued OEM active production; limited surplus inventory
• Key Spec Highlights: 85–264VAC / 100–300VDC wide universal input, total 40W rated output, +5.1V / +3.3V backplane rails + auxiliary 24VDC, load-sharing redundancy capable, four front diagnostic LEDs, occupies two consecutive RX3i backplane slots

Key Technical Specifications

• Nominal Input: 120/240 VAC or 125 VDC AC range: 85–264 VAC, 47–63 Hz DC range: 100–300 VDC
• Maximum Input Power: 70 W
• Total Rated Output Power: 40 W maximum (thermal derating above 40°C)
• Output Rails · +5.1 VDC (max 30 W) · +3.3 VDC (max 30 W) · Auxiliary +24 VDC for external relay loads
• Backplane Occupancy: Requires two consecutive universal backplane slots
• Maximum Units Per Chassis: Up to four modules for load sharing and redundant architectures
• Front Panel Indicators: POWER, P/S FAULT, OVER TEMP, OVERLOAD LEDs
• Front Control: Protected output on/off switch (does not disconnect incoming mains power)
• Protections: Overload, overvoltage, short-circuit, over-temperature shutdown
• Input-to-Backplane Isolation: 1500 VAC for 1 minute
• Hot Swap: Not supported; system power should be isolated before module removal
• Operating Temperature: 0 °C to +60 °C
• Storage Temperature: −40 °C to +85 °C
• Humidity: 5%–95% non‑condensing
• Wiring Terminals: Accepts 14 AWG – 22 AWG copper conductors
• Certifications: UL, CE, ATEX, DNVGL marine approval
• Variant Suffixes: IC695PSA140CA (conformal coated), IC695PSA140LT (low temperature version)
• Compatible Hardware: Full IC695 RX3i CPU, communications and I/O modules; universal backplane only

Product Introduction

Critical power, chemical and water treatment facilities often require PLC racks to connect directly to industrial AC mains or high-voltage DC station batteries. GE is a universal-input power supply designed to eliminate separate transformers or DC converters by accepting either standard AC utility power or 125 VDC battery supply.

This unit supports parallel load-sharing redundant configurations to remove single points of power failure. The auxiliary 24VDC output powers field relays without extra cabinet power supplies. As a two-slot module, space planning must account for double slot occupancy during rack layout or spare replacement.

Key Selling Points & Differentiators

1. GE supports universal AC and high-voltage DC input, ideal for power plant and marine installations with mixed mains / battery power infrastructure.
2. Native load-sharing circuitry enables N+1 redundant power architectures for continuous-process control systems.
3. Every unit undergoes full bench validation on an RX3i test chassis; variable load testing, fault diagnostics and rail stability verified prior to shipment. Signed test documentation available on formal request. Warranty runs 12 months post delivery.
4. Independent auxiliary 24VDC relay output reduces cabinet component count and wiring complexity.
5. Not recommended for RX7i, Series 90‑70 or Series 90‑30 racks. Designed exclusively for RX3i universal backplane architecture.
6. Clear four-channel LED diagnostics allow operators to rapidly isolate overload, thermal and supply fault conditions without dedicated diagnostic software.

Quality Transparency SOP

• Incoming Verification: Serial traceability validation, anti-counterfeit visual inspection, terminal block and switch hardware integrity cross-check.
• Live Bench Test: Dedicated RX3i test rack, power-on self-test, AC/DC input range sweep, multi-rail variable load simulation, fault alarm verification, continuous 24-hour thermal soak cycling.
• Electrical Tests: Insulation resistance testing via 500 V megger, chassis ground continuity validation.
• Hardware Verification: Confirm LED array and output switch operate per datasheet; no unauthorized component rework performed.
• Final QC & Packaging: Anti-static shielding, shock-dampened transit carton, signed QC Pass label. Test images and logs available on request. No zero-failure performance guarantee.

Technical Risk Avoidance Section

Slot Occupancy Risk Risk: Designers treat it as single-slot module; insufficient free slots lead to rack layout errors. Prevention: Reserve two consecutive empty slots for installation. Field note: Multiple retrofit projects failed to install replacement units after reserving only one slot position.

Thermal Derating Risk Risk: Operating continuously above 40°C requires reduced total rack load; full 40W capacity cannot be sustained. Prevention: Calculate total backplane power consumption and apply temperature-based derating rules for enclosed cabinets.

Hot Swap Risk Risk: Inserting/removing module with mains energized creates arcing and may damage backplane contacts. Prevention: Isolate upstream AC/DC power before module replacement.

Input Confusion Risk Risk: Confusing (AC/DC high voltage input, two slots) with IC695PSD140E (24VDC input, single slot) leads to wrong spare ordering. Prevention: Confirm site incoming power type and slot space before procurement.

Critical Summary: Confirm incoming power type and available rack slots before procurement. This universal AC/DC power supply occupies two slots and cannot be directly substituted with 24VDC input PSD series power supplies without cabinet power redesign.