Model: MD7UUV3

>    Function: Under/Over voltage monitoring

>    Power supply: 24-240V AC/DC or 200-600V AC 

>    Monitoring channel: V1/V2/V3-C (15-150V, 30-300V, 60-600V AC/DC)

>    Relay output: 2 c/o

>    Switching capacity: 8A, 250V AC

Panel caption:

PW: power supply indication, R: relay status indication, Function mode: (>U: over voltage, <U: under voltage, M: memory, NM: none memory), U: voltage threshold setting (10%-100%), Hys. : hysteresis setting (5%-50%), Tt: delay setting (0.1-30s)

Relevant models: MD7UUV1: V1/V2/V3-C (0.05-0.5V, 0.3-3V, 0.5-5V AC/DC), MD7UUV2: V1/V2/V3-C (1-10V, 5-50V, 10-100V AC/DC)