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Three Phase Monitoring Electronic Overload Relay For Lifts Elevators

Categories Electronic Overload Relay
Brand Name: Ginri
Model Number: JDB-1
Certification: CE,CCC
Place of Origin: China
MOQ: 100Pcs
Payment Terms: L/C, T/T, Western Union,Paypal
Supply Ability: 50000Pcs per month
Delivery Time: 1-30 days according order quantity
Packaging Details: Packed in cartons
Feature: Setting by knob
Degree of protection: IP 20
Indicators: ABC overload & phase loss
Contact capacity: 1A 380VAC
Output contacts: 1 NC(SCR output)
Mounting: Screw fixing
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    Three Phase Monitoring Electronic Overload Relay For Lifts Elevators

    Three Phase Monitoring Electronic Overload Relay For Lifts Elevators


    Setting method


    1. First adjust the knob clockwise to the max. Start the motor until the motor is in normal operating condition.


    2. Then slowly adjust the knob anti-clockwise till the overload indicatorlights up, so the protector is just in a critical state of overload.


    3. After that slowly adjust the knob clockwise till the overload indicatorgoes out,setting completed.


    Features


    1) Integrative structure


    2) Three-phase monitoring of overload, phase loss, phase unbalance


    3) Powered by the measuring circuit


    4) 1 NC SCR output contact


    5) 4 LEDs for status indication


    Protecive Functions


    1) Overload

    2) Phase Loss

    3) Phase Unbalance


    Technical data


    ModelJDB-1
    Input Circuit=Measuring CircuitL1,L2,L3
    Current Range

    2.5-5A,4-10A,8-20A,16-40A

    32-80A,63-160A,150-320A,50Hz

    Monitoring FunctionsOverload,Phase Loss,Phase Unbalance
    Setting MethodBy Knob
    Startup Delay5s,10s,20s(10s default)
    Delay Time For OverloadInverse Time 80s~10s for 1.2~5 Times
    Phase Unbalance Threshold≥50% Unbalance Ratio

    Delay Time for Phase Loss and

    Phase Unbalance

    ≤1s
    Reset Time60±10s,Reset By Power Cycle
    Applicable Voltage RangeAC24V~380V,50Hz
    IndicatorsABC Overload and Phase Loss
    Output Contacts1NC (SCR Output)
    Contact Capacity1A 380VAC(Resistive Load)
    Degree of ProtectionIP 20
    Working Conditions-25℃~65℃,≤85%RH,Non-condensing
    Mechanical Durability1000000 Cycles
    Dielectric Strength>2KVAC 1Min
    Weight200g
    Dimension

    2.5-40A:38*90*63mm

    80~300A:44.5*123*67mm

    MountingScrew Fixing

    Quality Three Phase Monitoring Electronic Overload Relay For Lifts Elevators for sale
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