WPS Selection Guide
Choose the right WPS supply with current, efficiency, and accessory references.
Request GuideWEG WPS Power Supplies
Compact and high-power DIN-rail supplies engineered for resilient 24 VDC control power.
WEG WPS switch-mode power supplies combine wide input ranges, high efficiency, and diagnostic feedback to keep automation cabinets running. From slim 24 VDC supplies for PLC racks to three-phase units capable of redundant operation, WPS hardware forms the backbone of reliable machine control, motion, and safety systems.
Output Platforms
WPS Compact
Slim 15–240 W supplies with 24 VDC outputs up to 10 A supporting PLC, I/O, and instrumentation loads.
Slim 15–240 W supplies with 24 VDC outputs up to 10 A supporting PLC, I/O, and instrumentation loads.
WPS Pro
480 W and 960 W models delivering 20–40 A with integrated current sharing for redundant control power buses.
480 W and 960 W models delivering 20–40 A with integrated current sharing for redundant control power buses.
Supplementary Modules
Buffer packs, DC UPS modules, and ORing devices that extend ride-through and isolate faults between supplies.
Buffer packs, DC UPS modules, and ORing devices that extend ride-through and isolate faults between supplies.
Input & Efficiency
Wide Input Range:
85–264 VAC or 90–375 VDC single-phase; 320–575 VAC three-phase for high-power models.
85–264 VAC or 90–375 VDC single-phase; 320–575 VAC three-phase for high-power models.
Efficiency:
Up to 94% typical with power factor correction on select units.
Up to 94% typical with power factor correction on select units.
Temperature:
-25 °C to +70 °C operation with derating curves and conformal coating options.
-25 °C to +70 °C operation with derating curves and conformal coating options.
Protection & Monitoring
Protection:
Short-circuit, overload, and overvoltage protection with hiccup or constant current limiting.
Short-circuit, overload, and overvoltage protection with hiccup or constant current limiting.
Diagnostics:
Front-panel LEDs, DC OK relay contacts, and remote monitoring terminals for PLC integration.
Front-panel LEDs, DC OK relay contacts, and remote monitoring terminals for PLC integration.
Standards:
UL 508, UL 60950, CSA C22.2, CE, and RoHS compliance for global deployments.
UL 508, UL 60950, CSA C22.2, CE, and RoHS compliance for global deployments.
Panel Integration
- DIN-rail mounting clips and pluggable terminals accelerate assembly.
- Adjustable output trim facilitates voltage drop compensation across long runs.
- Parallel-ready models include load-sharing terminals for redundant operation.
- Compatible with WEG redundancy, buffer, and UPS accessories.
Engineering Advantages
Global Flexibility
Universal input ranges and certifications streamline export machine builds and multi-plant deployments.
Resilient Control Power
High MTBF ratings, conformal coating, and buffering options keep PLCs and safety systems online.
Diagnostics & Visibility
Integrate DC OK contacts and alarms with PLC500 diagnostics, HMIs, and SCADA dashboards.
Service-Friendly Design
Front-access terminals and tool-free mounting simplify replacements during maintenance windows.
WPS Model Comparison
| Model | Output | Input | Key Features | Typical Loads |
|---|---|---|---|---|
| WPS024-060C | 24 VDC, 2.5 A (60 W) | 85–264 VAC, 90–375 VDC | Slim 45 mm width, DC OK relay, adjustable 24–28 VDC | PLC500 CPU, remote I/O nodes, HMI power supplies |
| WPS024-120C | 24 VDC, 5 A (120 W) | 85–132 / 176–264 VAC auto-range | Power factor correction, pluggable terminals, 94% efficiency | Servo controller I/O, relay banks, gateway devices |
| WPS024-480P | 24 VDC, 20 A (480 W) | 320–575 VAC three-phase | Current sharing terminals, remote on/off, conformal coating | Redundant safety PLC racks, motion cabinets, MCC control sections |
| WPS-Buffer 20S | 24 VDC ride-through up to 20 s | 24 VDC bus | Maintenance-free capacitors, alarm contact, plug-and-play wiring | Critical HMI stations, network switches, safety controllers |
Integration Guidance
- Segment critical and non-critical loads with dedicated circuit protection and redundancy modules.
- Leverage buffer packs to ride through transfer switches and voltage sags on utility feeds.
- Map DC OK contacts and alarm relays to PLC500 diagnostics for proactive maintenance.
- Coordinate WPS supplies with MPW motor protection and CW contactor coils for safe shutdown.
Deliverables from Gross Automation
- Load calculation spreadsheets with diversity factors and redundancy recommendations.
- Single-line diagrams highlighting control power distribution and isolation.
- Panel layouts showing DIN-rail spacing, ventilation, and wiring separation.
- Commissioning checklists covering voltage verification, alarm testing, and battery maintenance.
Featured Resources
Redundancy Worksheet
Document load priorities, ride-through expectations, and alarm settings for dual supplies.
Download WorksheetBuffer Module Application Note
Learn how to integrate capacitor-based ride-through modules with PLC diagnostics.
View Application NoteStabilize Your 24 VDC Infrastructure
Send us your load list or panel drawings. Our sales engineers will size WPS supplies, redundancy modules, and transformers for reliable operation.
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