Key Technical Specifications
- Product Model: WES5123-2600
- Manufacturer: General Electric (GE)
- Product Category: Power Supply Module / Remote Power Board
- Output Voltage: 110V DC
- Output Current: 2A
- Input Voltage 1: 176-264V AC
- Input Voltage 2: 200-300V DC
- Operating Temperature: 0°C to 60°C
- System Compatibility: GE D20 / WES5120 Series
- Typical Application: Telecommunications, Power Generation, Substation Automation
Product Introduction
The GE WES5123-2600 is a specialized remote power supply board designed for GE’s D20 and WES5120 automation systems. It converts standard AC or high-voltage DC inputs into a regulated 110V DC output at 2 amps to power remote telemetry and control equipment.This module handles dual input ranges (176-264V AC and 200-300V DC), making it highly versatile for varied substation environments. Field experience shows that dual-input power boards like this are critical for maintaining uptime during primary power source fluctuations. (We always recommend verifying the exact input wiring diagram before installation, as pinouts can vary by revision.)
Installation & Configuration Guide
Preparation (10 min)
Verify the incoming power matches the 176-264V AC or 200-300V DC specification. Gather a multimeter and appropriate screwdrivers. Ensure the main power feed to the rack is locked out and tagged out (LOTO).Removal (5–10 min)
Disconnect the output load wires first to prevent arcing. Remove the input power connections. Unfasten the mounting screws securing the WES5123-2600 to the backplane or chassis. Gently pull the board straight out to avoid bending backplane pins.Installation (10 min)
Align the new module with the backplane guides and push firmly until fully seated. Secure the mounting screws to the specified torque. Reconnect the input power wiring, followed by the 110V output load wires. Double-check all terminal tightness.Power-On & Test (10 min)
Restore main power. Measure the output terminals with a multimeter; it should read 110V DC ±10%. Check for abnormal heat or burning smells (a faint ozone scent is normal for new electronics; acrid smoke is not). Verify the connected remote equipment powers up correctly.
Troubleshooting Quick Reference
| Symptom | Probable Cause | Quick Check | Action |
|---|---|---|---|
| No output voltage | Input power missing or blown internal fuse | Measure input terminals for 176-264V AC | Verify upstream breaker; replace module if input is good |
| Output voltage low/high | Overload or failing regulation circuit | Measure output current draw | Disconnect load; if voltage recovers, check load for shorts |
| Module overheating | Poor ventilation or ambient >60°C | Check rack airflow and ambient temp | Improve cooling; relocate if in direct sunlight |
| Intermittent failure | Loose backplane connection | Reseat module and check terminal torque | Clean backplane contacts; replace if issue persists |
Dimensions, Mounting & Wiring Notes
- Form Factor: Standard GE WES5120 series board dimensions (verify exact H×W×D against existing chassis, as GE revisions vary).
- Mounting: Backplane插接 (Backplane plug-in) with mechanical screw retention.
- Wiring Notes: Input terminals accept both AC and DC. Warning: Never apply AC to the DC input terminals or vice versa. Output is strictly 110V DC. Ensure proper grounding of the chassis to prevent EMI interference with telemetry signals.
FAQ
Can I use this WES5123-2600 to replace a WES5123-2400?
No. The -2400 variant outputs 48V DC at 4A, while the -2600 outputs 110V DC at 2A. Swapping them will either damage your 48V equipment or fail to power 110V loads. Always match the exact suffix.I pulled the old board but forgot to photograph the wiring. Now what?
I’ve been there. Check the silkscreen on the PCB itself or the backplane labeling. GE typically marks AC inputs as L1/L2 and DC as +/-. If unsure, do not guess. Contact us with a photo of the bare backplane, and we can provide the wiring diagram.Is this module tested before shipping?
Yes. Every WES5123-2600 undergoes live functional testing on a dedicated GE D20 test rack. We verify both AC and DC input paths, confirm 110V ±5% output under load, and run a 24-hour burn-in test. A test report is included with shipment.What’s the lead time if you’re out of stock?
Typically 2–3 weeks for tested surplus. We maintain a rotating inventory of GE D20 series power boards. If you need it sooner, call us directly — we can sometimes pull from a reserved engineering stock.Does this board support hot-swapping?
No. The WES5123-2600 is not designed for hot-swap. Always de-energize the input power before insertion or removal. Hot-swapping can arc the backplane contacts and destroy adjacent modules.How do I know your unit isn’t a refurbished fake?
We source exclusively from decommissioned industrial sites and verified surplus channels. Each board receives an incoming inspection for counterfeit markers (wrong epoxy, re-marked labels). We document the serial number and provide origin verification upon request. (Honest note: the GE D20 market has fakes; if a price seems too good, it probably is.)
