Schneider-Electric
 
RM22TU23 picture- scope
RM22TU23
Harmony Control háromfázisú fázis- és feszültségfigyelő relé, 2CO, 8A, 380…480VAC
Schneider Electric
Technical Description
Function Diagrams
Phase Sequence Control and Phase failure Detection


Undervoltage Control


Legend

Tr : Response time after cross the threshold

U< : Undervoltage threshold

L1, L2, L3 : Phases of the supply voltage monitored

R : Relay output 11-12/11-14, 21-22/21-24

H : Hysteresis

Relay status : black color = energized.