Product Core Brief
- Brand: GE Fanuc / Emerson Automation
- Model: IC695PSD040F
- Series: PACSystems RX3i
- Core Function: 40W basic DC rack power supply providing regulated multi-rail logic power to RX3i universal backplane; designed for standalone, non-redundant control racks with low to moderate module loading
- Type: Single-slot rack-mounted backplane power supply
- Condition: New Original (New Surplus)
- Status: ⚠️ Discontinued OEM production; limited surplus inventory
- Key Spec Highlights: 18–30VDC startup input, 12–30VDC operating range, total 40W maximum output, no load-sharing / parallel redundancy capability, front diagnostic LEDs, protected output on/off switch
Key Technical Specifications
- Nominal Input: 24 VDC Startup range: 18–30 VDC Continuous operating range: 12–30 VDC
- Maximum Input Power: 60 W
- Total Rated Output Power: 40 W maximum
- Backplane Output Rails · +5.1 VDC · +3.3 VDC
- Front Panel Indicators: POWER, P/S FAULT, OVER TEMP, OVERLOAD LEDs
- Front Control: Protected on/off switch (controls module outputs only, input power remains live)
- Protections: Overload, overvoltage, short-circuit, reverse input polarity protection
- Redundancy Support: Does NOT support parallel load sharing or N+1 redundant operation
- Hot Swap: Not recommended; power should be disconnected before removal to avoid arcing
- Hold-up Time: 10 ms minimum at minimum rated input
- Inrush Current: 4 A maximum for 100 ms
- Wiring Terminals: Accepts 14 AWG – 18 AWG copper conductors
- Operating Temperature: 0 °C to +60 °C (thermal derating required above 50°C)
- Storage Temperature: −40 °C to +85 °C
- Humidity: 5%–95% non‑condensing
- Mechanical: Occupies one slot on RX3i universal backplane, typically installed in Slot 0
- Certifications: UL, CE
Product Introduction
Small-scale manufacturing, remote auxiliary and water treatment control racks with limited I/O density often utilize basic non-redundant power architecture. GE delivers stable regulated logic power for lightly populated RX3i chassis.
This unit offers comprehensive fault monitoring to alert maintenance teams of overload and over-temperature conditions before unplanned system resets. It is intended strictly for standalone single-power-supply installations. Its single-slot footprint enables direct drop-in replacement within existing non-redundant RX3i racks during planned maintenance windows.
Key Selling Points & Differentiators
- GE is a cost-effective 40W power supply optimized for lightly loaded RX3i racks without redundant power requirements.
- Four dedicated front-panel diagnostic LEDs enable fast visual troubleshooting of power, overload and thermal faults.
- Every unit undergoes full bench validation on an RX3i test chassis; load sweep, LED operation and protection circuit triggering verified prior to shipment. Signed test documentation available on formal request. Warranty runs 12 months post delivery.
- Wide DC input operating range tolerates voltage fluctuation common in remote cabinet installations.
- Not recommended for RX7i, Series 90‑70 or Series 90‑30 racks. Designed exclusively for RX3i universal backplane architecture.
- Compact single-slot form factor preserves rack space for I/O and communications modules in space-limited enclosures.
Quality Transparency SOP
- Incoming Verification: Serial traceability validation, anti-counterfeit visual inspection, terminal block and switch cover hardware cross-check.
- Live Bench Test: Dedicated RX3i test rack, power-on self-test, variable load simulation, fault condition verification, continuous 24-hour thermal soak cycling.
- Electrical Tests: Input voltage range sweep, overload shutdown testing, chassis ground continuity verification.
- 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
Redundancy Misconfiguration Risk Risk: Attempting to parallel multiple modules for redundant power results in unstable backplane voltage and potential module damage. Prevention: Select IC695PSD140E for all N+1 redundant rack designs. Field note: Multiple remote pumping stations experienced intermittent CPU resets after technicians wired two PSD040F units in parallel for backup power.
Thermal Derating Risk Risk: Sustained cabinet temperature above 50°C requires reduced rack power draw; full 40W rating cannot be maintained. Prevention: Calculate total chassis power consumption and apply thermal derating rules for high-temperature enclosures.
Hot Swap Risk Risk: Removing or inserting the module with input power energized creates electrical arcing and may damage backplane contacts. Prevention: Isolate upstream 24VDC supply before module replacement.
Power Budget Miscalculation Risk Risk: Overpopulating the rack with high-current CPU, communications and analog I/O exceeds the 40W total capacity. Prevention: Sum backplane power draw of all installed modules and maintain minimum 15% power headroom.
Critical Summary: Confirm redundancy requirements before procurement. This module cannot be paralleled for load sharing; it is not electrically interchangeable with IC695PSD140E without redesigning cabinet power architecture. It operates exclusively within RX3i racks.
FAQ
- Q: Can GE be installed into RX7i or Series 90‑70 racks? A: No. It is built exclusively for RX3i universal backplanes; mechanical and electrical interfaces are incompatible with other GE PLC families.
- Q: Can multiple modules be connected in parallel for redundant power? A: No. This model lacks internal load-sharing circuitry. Use IC695PSD140E if redundant power is required.
- Q: Does this module support hot-swap replacement while the RX3i rack remains energized? A: Not supported. Disconnect upstream 24VDC input power before removing or installing the module to prevent arcing.
- Q: What lead times apply for available inventory? A: In-stock units ship within 1–3 business days. Backordered allocations require 5–7 week lead times subject to global surplus availability.
- Q: What failure modes fall outside warranty coverage? A: The 12-month limited warranty covers manufacturing defects. Damage from parallel redundant wiring attempts, sustained overload, ESD, and operation outside published temperature range is excluded.
- Q: What is the core difference between and IC695PSD140E? A:
- : 40W, standalone only, no load sharing / redundancy capability
- IC695PSD140E: 40W, supports parallel load sharing and N+1 redundant configurations They share physical slot form factor but cannot directly substitute without power system redesign.
- Q: Does the front panel on/off switch disconnect the incoming 24VDC supply? A: No. The switch only disables the module’s output rails; input power remains live to internal circuitry.






