DURAmax DC-UPS 24V 40A UPS Module
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The Weidmüller DURAmax DC-UPS 24V 40A is the highest-rated model in the DURAmax range, delivering 960W of battery-backed output for large or complex 24VDC control systems. It switches to battery mode instantly on mains failure, with parallel battery connection supported for extended hold-up times. USB-C configuration via the DURAmax DC UPS Manager software provides full visibility of system status, battery condition, and diagnostic history — making it suitable for critical infrastructure applications in oil and gas, water treatment, mining, and industrial automation.
| Output Voltage | 24V DC |
|---|---|
| Output Current | 40A |
| Output Power | 960W |
| Input Voltage Range | 18–30V DC |
| Efficiency | Typ. 98% |
| Battery Compatibility | Lead-acid VRLA, 1.2–100Ah (Weidmüller DURA ECO LA-BAT or user-supplied) |
| Hold-Up Time | Seconds to several hours (battery dependent; parallel battery connection supported) |
| Connection Technology | PUSH IN |
| Configuration Interface | USB-C (free DURAmax DC UPS Manager software) |
| Battery Diagnostics | Detection (1×/min), short-circuit test (weekly), SOH test (monthly) |
| Status Indication | LED bargraph (State of Charge), green/yellow/red fault LEDs |
| Remote Monitoring | Relay and digital contacts for PLC/controller integration |
| Housing | Metal, DIN-rail mount |
| Dimensions (H×W×D) | 130 × 50 × 125 mm |
| Certifications | CE, UL Listed (Class 1 Div 2), DNV, CRA Ready |
| Country of Manufacture | Germany |
| Part Number | 2934970000 |
- 960W continuous output — the highest-rated model in the DURAmax range
- Parallel battery connection supported — extend hold-up time beyond a single battery module
- Automatic monthly state-of-health (SOH) battery testing — proactive battery condition monitoring
- Cold start function — activates battery mode with no mains supply connected
- Interlock input — isolate battery and UPS via external switch
Available from TROPAC — contact our team for pricing, battery selection guidance, or a product demonstration.
Your product is covered by a 12 month Warranty or more if you opted for the extended warranty. Make sure you register your product.