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    Multifunctional Monitoring Relay, Phase/Voltage, 3 Phase, 208-480V AC

    $148.23
    Phase voltage monitoring relay, used for phase loss, phase sequence, voltage unbalance, overvoltage and undervoltage monitoring with 3 phase power supplied by 208-480V AC 50/60Hz, also with timer & counter function, 0.1-30s adjustable delay time, compact size relay with 1 CO + 1 NC contacts, real-time LCD display for voltage, fault and operation state, DIN rail mounting. High accuracy and favorable price.
    SKU: ATO-MR-JVR8002
    Free Shipping Worldwide
    Delivery date: 6-12 days

    Phase & voltage monitoring relay with LCD display is used to monitor phase loss, phase sequence, voltage unbalance, overvoltage and undervoltage in the 3-phase power supply of 208-480V AC 50/60Hz. The monitoring relay is widely applied in the applications like air compressors, electric motors, pumps, fans, air-conditioning system, blowers, lifts, elevators, cranes, refrigeration units, mining excavators and conveyors, etc.

    Features

    • Compact size in DIN rail mounting
    • Microprocessor technology provides highly accurate and repeatable protection
    • LCD display and keypad afford a precise digital setting
    • Adjustable overvoltage and undervoltage,phase unbalance threshold
    • Independent adjustable delay time for overvoltage, undervoltage, voltage unbalance, phase loss and phase sequence
    • Adjustable reset method: automatic reset or manual reset
    • Start delay (power-on delay)
    • Test trip with test button
    • Monitoring relay with 1 CO & 1 NC contacts
    • With timer and counter for running and faults

    Specification

    Model ATO-JVR800-2
    Measuring Circuit 3-Phase AC: L1, L2, L3
    Monitoring Functions Phase Sequence (Reversal), Phase Loss (Failure)
    Overvolatege, Undervoltage, Voltage Unbalance (Asymmetry)
    Timer & Counter
    Rated Voltage 208-480V AC, 50/60Hz
    Overvoltage Setting Range 200-600V
    Undervoltage Setting Range 150-500V
    Voltage Hysteresis 1-20V
    Delay Time for Overvoltage & Undervoltage 0.1-30s
    Voltage Unbalance Ratio 1-50%
    Voltage Unbalance Hysteresis 1-10%
    Delay Time for Voltage Unbalance 0.1-30s
    Delay Time for Phase Loss 0.1-30s
    Delay Time for Phase Sequence 0.1-30s
    Power On Delay Time 0-999s
    Reset Mode Manual/Auto
    Delay Time for Reset 0.1-999s
    Timer and Counter Input AC/DC 80-450V
    Indicator LCD display indicating voltage, fault and operation status
    Output Contacts 1 CO + 1 NC
    Contact Capacity 6A, 250V AC (resistive load)
    Degree of Protection IP 20
    Working Conditions Operating Temperature -25℃~65℃
    Humidity ≤85%RH, non-condensing
    Mechanical Durability 1,000,000 cycles
    Dielectric Strength >2kVAC 1min
    Mounting 35mm DIN rail
    Weight 130g
    Dimensions (H*W*D) 80*43*54mm

    Wiring Diagram Multifunctional phase voltage monitoring relay wiring diagram

    Monitoring relay contacts position shown in "Power-on" (Healthy) condition

    Dimensions (Unit: mm)

    Multifunctional phase voltage monitoring relay dimension

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