OMRON standby switching power supply module deals with instantaneous power-off and keep loop operation

OMRON
DC Backup Block for S8TS
S8T-DCBU-01 Series
Share 9 unit model

DC Backup Block for S8TS Prevents 24-VDC. Outages Due to Power Interruptions or Failures.

OMRON
Buffer Block
S8T-DCBU-02 Series
Share 3 unit model

Prevents Equipment Stoppage, Data Loss, and Other Problems Resulting from Momentary. Power Failures.

OMRON
Digital Multicircuit Protector
S8M Series
Share 3 unit model

Complete Flexible DC Circuit Protector That. Has a Wide Array of Displays, Alarm, Outputs, and Other Digital Functions.

OMRON
DIN Rail Mounting Bracket
S82Y-N Series
Share 7 unit model

Easy-to-use DIN Rail Mounting Bracket for, Power Supplies. Mounts to the PFP-100N and PFP-100N2 DIN Rails.

OMRON
Power failure detector
S87A Series
Share 2 unit model

Power supply (commercial AC power supply) power cut detector for monitoring and control device. Instantaneous detection voltage drop, power failure, instantaneous power failure.