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Carlo Gavazzi
DUA55CM44
Monitoring Relay, Single Phase, Voltage Selection, SPDT, 208-480VAC, DIN Rail Mount
$92.95$92.95 -
Carlo Gavazzi
DUB01CD48500V
Monitoring Relay, TRMS 1P Over/Under, 24-48VAC/DC, 2-500VAC/DC, DIN Rail Mount
$155.12$155.12 -
$193.79$193.79 -
TELE Controls
E1PF480Y/277VSY01
Monitoring Relay, 208-480VAC, Phase Sequence, Phase Failure, Asymmetry Monitoring, 1 Changeover Contact, Installation Design, -25 to +70C, Terminals IP20, Housing IP40, 17.5 x 87 x 65mm
$58.85$58.85 -
TELE Controls
E1PF480Y/277VSY10
Monitoring Relay, 3 Ph, 208-480VAC, Phase Sequence, Phase Failure, Asymmetry Monitoring, 1 Changeover Contact, Installation Design, 17.5 x 87 x 65mm
$101.03$101.03 -
TELE Controls
E1YM400VS10
Monitoring Relay, 400VAC, Voltage Monitoring in 1 and 3 Phase Networks, 400V, Multifunctional, 1 Changeover Contact, Installation Design, -25 to +70C, Terminals IP20, Housing IP40, 17.5 x 87 x 65mm
$122.48$122.48 -
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
$122.48$122.48 -
TELE Controls
E1ZMLA10 24-240VAC/DC
Load Changer (Pump Alternator) + Time Relay, 5 Functions, 7 Time Ranges, 24-240VAC/DC Supply Voltage, 1 Changeover Contact, 8A/250V C, 1.5 Watt, 17.5mm Width, 17.5 x 87 x 65mm, 35mm DIN Rail (Top Hat), Housing IP40, Terminals IP20
$58.94$58.94 -
Available Now! 
Available Now!Carlo Gavazzi
E83-2050
Monitoring Relay, Transformer, 0-50AAC, DIN Rail or Screw Mount
$175.36$175.36 -
TELE Controls
G2FW400VL20 24-240VAC/DC
Monitoring Relay, Under/Over Frequency Monitoring, 110-400VAC Measuring Voltage, for 50/60Hz Networks, Voltage Failure Detection, 24-240VAC Supply, Fault Memory Selectable, 2 Changeover Contacts, 22.5 x 90 x 108mm, IP20, Industrial Design
$459.92$459.92 -
TELE Controls
G2IM10AL20 24-240VAC/DC
Monitoring Relay, Current Monitoring 1 Phase AC/DC, Multifunction, 3 Measuring Ranges (100mA-1A-10A), Fault Memory, 24-240VAC/DC Supply, 2 Changeover Contacts, 22.5 x 18 x 90mm, IP20, Industrial Design, 10 Piece Minimum Order, Price per Piece
$229.78$229.78 -
TELE Controls
G2IM5AL20 24-240VAC/DC
Monitoring Relay, Current Monitoring 1-Phase AC/DC with Delayed Pick-Up, Multifunction, 3 Measuring Ranges (20mA-1A-5A), Fault Memory, 24-240VAC/DC Supply, 2 Changeover Contacts, 22.5 x 90 x 108mm, IP20, Industrial Design
$214.46$214.46
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.