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              TELE Controls E1PF480Y/277VSY01Monitoring 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 $57.50$57.50
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              TELE Controls E1PF480Y/277VSY10Monitoring Relay, 3 Ph, 208-480VAC, Phase Sequence, Phase Failure, Asymmetry Monitoring, 1 Changeover Contact, Installation Design, 17.5 x 87 x 65mm $88.08$88.08
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              TELE Controls E1YM400VS10Monitoring 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 $106.78$106.78
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              TELE Controls E1YM480Y/277VS10Monitoring 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 $92.54$92.54
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            Available Now!  Available Now! Available Now!Carlo Gavazzi E83-2050Monitoring Relay, Transformer, 0-50AAC, DIN Rail or Screw Mount $163.20$163.20
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              TELE Controls G2FW400VL20 24-240VAC/DCMonitoring 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 $400.81$400.81
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              TELE Controls G2IM10AL20 24-240VAC/DCMonitoring 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 $200.33$200.33
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              TELE Controls G2IM5AL20 24-240VAC/DCMonitoring 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 $186.97$186.97
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              TELE Controls G2PF400VS02Monitoring Relay, Phase Sequence/Failure, Asymmetry Monitoring (Reverse Voltage Detection), 3x 400V Measuring/Supply, 2 Changeover Contacts, 22.5 x 18 x 90mm, IP20, Industrial Design $133.51$133.51
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              TELE Controls G2PM230VSY20 24-240VMonitoring Relay, Multifunction, Voltage Monitoring 3-Phase, Phase Failure, Phase Sequence and Asymmetry Monitoring Switchable, 3x 230/132VAC Measuring, 24-240VAC/DC Supply, 2 Changeover Contacts, 22.5 x 90 x 108mm, IP20, Industrial Design $160.25$160.25
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              TELE Controls G2PM400VSY20 24-240VAC/DCMonitoring Relay, Multifunction, Voltage Monitoring 3-Phase, Phase Failure Monitoring, Phase Sequence + Asymmetry Monitoring Switchable, 3x 400/230VAC Measuring, 24-240VAC/DC Supply, 2 Changeover Contacts, 22.5 x 90 x 108mm, IP20, Industrial Design $160.25$160.25
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              TELE Controls G2PU690VS20Monitoring Relay, UnderVoltage Monitoring 3-Phase, Phase Sequence Monitoring, 3x 208 - 690VAC Measuring/Supply, 2 Changeover Contacts, 22.5 x 90 x 108mm, IP20, Industrial Design $200.33$200.33
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.
