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GYL9 AC-S Type Earth Leakage Circuit Breaker(ELCB)

when people come across the electric shock or the leakage current of the electrical network exceeds the fixed value, When earth leakage circuit breaker tripping ,GYL9 series products can cut off the fault current in short period so as to protect person and the equipments, It also can be used in the infrequent starting of the circuit and motors. GYL9 Earth Leakage Circuit Breaker is suitable to industry, commerce, high-rise building, household and other kinds of places.

SKU GYL9-AC-S Category


What is ELCB?

Earth Leakage Circuit Breaker (ELCB) is an acronym for Earth Leakage Circuit Breaker. They serve the same purpose as RCCBs. However, they are voltage sensors. However, this is an obsolete technology that users rarely use.

Electrical features
Product standardIEC/EN61008-1IEC/EN61008-1
Residual current protection typeElectromagneticElectronic
Residual current working typeA C  AC-S   A  A-SA C  AC-S   A  A-S
Rated current  In16A-100A16A-100A
Rated sensitivity I△n30、100、300mA30、100、300mA
Insulation voltage Ue2P:230V,4P:400V2P:230V,4P:400V
Rated voltage Ui500V500V
Rated frequency50/60Hz50/60Hz
Short-circuit current  lnc=l△c10kA10kA
Rated residual making and breaking capacity I m==l△m500(In≤50A) ,630(In=63A)500(In≤50A), 630(In=63A)
Rated impulse withstand voltage(1.2/50)  Uimp6kV6kV
Dielectric test voltage2.5kV/min2.5kV/min
Pollution degree22
Electrical life40004000
Mechanical life1000010000
Contact position indicatorNoNo
Fault IndicationYesYes
Protection degreeIP20IP20
Reference temperature for setting of thermal element30℃30℃
Ambient temperature (with daily average ≤35℃)-5~+40℃-5~+40℃
Storage temperature-35~+70℃-35~+70℃
Terminal connection typeCable/BusbarCable/Busbar
Terminal size top/bottom for cable35mm235mm2
Terminal size top/bottom for busbar35mm235mm2
Tightening torque3.0N3.0N
ConnectionTop and BottomTop
Combination with accessories
Auxiliary contactNoNo
Alarm contactNoNo
Shunt releaseNoNo
Under voltage releaseNoNo


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