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Available Now! 
Available Now!Carlo Gavazzi
DPA53CM48
Monitoring Relay, 3-Phase, 380-480VAC, 5A, SPDT, 17.5mm DIN Rail Mount
$134.83$134.83 -
$84.31$84.31 -
$130.03$130.03 -
Available Now! 
Available Now!Carlo Gavazzi
DPA52CM44
Monitoring Relay, 3-Phase, 208-480V, 17.5mm Width, Protect Loads From Wrong Phase Sequency/Loss- Minimum Order 5pcs, Price is per Piece
$116.03$116.03 -
$103.39$103.39 -
Carlo Gavazzi
DPC01DM69
Monitoring Relay, TRMS 3P Over/Under, 50-60Hz, 2xSPDT, 600-690VAC, DIN Rail Mount
$288.03$288.03 -
$155.91$155.91 -
$150.53$150.53 -
Carlo Gavazzi
DPA01CM60
Monitoring Relay, 3-Phase, 380-600VAC, 8A, SPDT, DIN Rail Mount, Minimum Order 5pcs
$134.05$134.05 -
Carlo Gavazzi
DPC01DM49400HZ
Monitoring Relay, TRMS 3P Over/Under, 50-400Hz, 2xSPDT, 440-480VAC, DIN Rail Mount, NCNR
$189.73$189.73 -
TELE Controls
E1YM480Y/277VS10
Monitoring Relay, Multifunction, Voltage Monitoring in 3 Phase Networks, Phase Failure Monitoring, Phase Sequence Monitoring Selectable, 208-480VAC Supply/Measuring Voltage, 1 Changeover Contact, 17.5mm Width, Installation Type, 17.5 x 87 x 65mm
$125.31$125.31 -
Pilz
837271
Phase Sequence Monitoring Relay, PMDsrange, 24VDC, 400/440VAC Measuring Voltage, Over/Undervoltage, SPDT, DIN Rail, IP40
$598.00$598.00
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.