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Available Now! 
Available Now!Carlo Gavazzi
DUB01CB23500V
Monitoring Relay, TRMS 1P Over/Under, 115/230VAC, 2-500VAC/DC, DIN Rail Mount
$155.68$155.68 -
Carlo Gavazzi
MI100
Current Transformer, Single Phase with 10 - 100 AAC Input and 0.4 - 4Vp Output, Monitoring Relays (CVP)
$92.73$92.73 -
Available Now! 
Available Now!Carlo Gavazzi
PUA01CB23500V
Monitoring Relay, 115/230 VAC Supply, Plug In, SPDT, Over Voltage Monitoring Relay, Single Phase
$100.04$100.04 -
Carlo Gavazzi
DIB01CD4810A
Monitoring Relay, Single Phase, 1-10A AC/DC, SPDT, 24-48VAC/DC, DIN Rail Mount
$139.68$139.68 -
Carlo Gavazzi
DIB02CB23150MV
Monitoring Relay, 115-230VAC, SPDT, 6 to 150mV AC/DC and 0.4 to 4 Vp AC (MI or MP Range), Single Phase, DIN Rail Mount
$148.48$148.48 -
Carlo Gavazzi
DIB01CB235A
Monitoring Relay, Single Phase, 0.1-5A AC/DC, SPDT, 115/230VAC, DIN Rail Mount
$148.48$148.48 -
Carlo Gavazzi
E83-2050
Monitoring Relay, Transformer, 0-50AAC, DIN Rail or Screw Mount, Minimum Order is 5 Pieces, Price per Piece
$167.04$167.04 -
$339.00$339.00 -
Pilz
827220
Voltage Monitoring Relay, PMDsrange, 24VDC, 0.1-500VAC/DC Measuring, 0.40-400Hz, Min/Max, SPDT, DIN Rail, IP40
$333.00$333.00 -
Pilz
827225
Voltage Monitoring Relay, PMDsrange, 24VDC, 0.1-500VAC/DC Measuring, 0.40-400Hz, Min/Max, Polarity-Insensitive, SPDT, DIN Rail, IP40
$375.00$375.00 -
Pilz
827250
Voltage Monitoring Relay, PMDsrange, 110-130VAC, 0.1-500VAC/DC Measuring, 0.40-400Hz, Min/Max, SPDT, DIN Rail, IP40
$333.00$333.00 -
Pilz
827260
Voltage Monitoring Relay, PMDsrange, 230-240VAC, 0.1-500VAC/DC Measuring, 0.40-400Hz, Min/Max, SPDT, DIN Rail, IP40
$333.00$333.00
Monitoring relays are protective devices that detect or monitor one or more of the following; phase sequence or failure, frequency, over/under voltage, level, power or current. Once an issue is detected the relay will trigger the proper action.