MEAN WELL
MEAN WELL DR-UPS40 DC backup module
DIN-rail battery controller for maintaining a 24 V DC bus during loss of the main supply.
- Model / SKU
- DR-UPS40
- Category
- Interfaces & Accessories
- Product type
- DC UPS controller
- Role
- Power supply
Connection & role
- Control type
- Power or feedback accessory
- Power supply
- 24–29 V DC bus
Power accessory. Use with a correctly specified DC power supply and external battery; it does not replace the mains-to-DC supply.
This is a power or feedback component. It does not provide native Matter connectivity.
Technical specifications
Selection & installation notes
- Requires an external DC supply and battery.
- Use the specified battery and cable protection for the complete system.
Sources & documentation (1)
- MEAN WELL DR-UPS40 — manufacturer information ↗Reviewed Nov 5, 2026