Product data sheet

Technical Description

RM17UB310

Function Diagrams

Phase Failure Detection (U measured < 0.7 x nominal supply voltage)

Control of Overvoltage and Undervoltage

Legend

Un Nominal supply voltage

R Output relay

Tt Overvoltage and undervoltage threshold delay (adjustable on front panel from 0.3 to 30 s)

H Hysteresis

U> Overvoltage threshold

U< Undervoltage threshold

L1, L2, L3 Phases of the supply voltage monitored

11-12, 11-14 R1 output relay connections

Relay status: black color = energized.

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