Electronic time-delay device for undervoltage release (UVD)
- A device that delays the breaker from opening before the preset time.
- Usually connected to the UVR (Undervoltage Release - YU).
- Available in a variety of operating voltages, but in Thailand it is marketed at 220VAC.
- This device can be used with all XT breaker models (XT1 - XT7).
UVD T1, T6 - XT1, XT4 220V/250V
US 
TH 
