Short time Buffer unit

Prevents equipment stoppage, data loss and other problems resulting from momentary power failures. One S8T-DCBU-02 buffer block provides a back-up time of 500 ms at an output current of 2.5 A. Can be wired to the 24 VDC output from any switch mode power supply.

  • Connects to all Omron power supplies: S8TS, S8VS, S82J, S82K, S8VM, S8PE
  • Connects to both single-phase and three-phase power supplies
  • Connects to an S8TS power supply via an S8T-BUS03 bus line connector
  • Parallel connection up to 4 units to increase back-up time and capacity
  • Complies with Semi F47-0200 standard

Ordering information


Input voltage

Output voltage (during back-up operation)

Output current

Order code

24 VDC (24 to 28 VDC)

22.5 V

2.5 A


Note: There are DC Bus line connector accessories available on request. Please contact your Omron representative for special request.




Size in mm (H×W×D)