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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

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