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GYL8 Earth Leakage Circuit Breaker (ELCB)

This series of earth leakage circuit breaker is suitable to the circuit of AC50/60Hz.rated voltage 230V for 2 poles and 400V for 4 poles, and rated current up to 63A.when people come across the electric shock or the leakage current of the electrical network exceeds the fixed value, this product 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. The circuit breaker is suitable to industry, commerce, high-rise building, household and other kinds of places.

SKU GYL8 Category



  • Leakage protection.
  • A C type, AC-S type, A type, A -S type.
  • Isolation function.
  • Support 35mm Din-rail installation.
  • Quick wiring function of busbar.
  • Support top incoming and bottom outgoing wiring type, or bottom incoming and top outgoing wiring type.
Electrical features
Product standard IEC/EN61008-1 IEC/EN61008-1
Poles 2P、4P 2P、4P
Residual current protection type Electromagnetic Electronic
Residual current working type A C  AC-S   A  A-S A C  AC-S   A  A-S
Rated current  In 16A-63A 16A-63A
Rated sensitivity I△n 30、100、300mA 30、100、300mA
Insulation voltage Ue 2P:230V,4P:400V 2P:230V,4P:400V
Rated voltage Ui 500V 500V
Rated frequency 50/60Hz 50/60Hz
Short-circuit current  lnc=l△c 6kA 6kA
Rated residual making and breaking capacity I m==l△m 500(In≤50A) ,630(In=63A) 500(In≤50A), 630(In=63A)
Rated impulse withstand voltage(1.2/50)  Uimp 4kV 4kV
Dielectric test voltage 2.5kV/min 2.5kV/min
Pollution degree 2 2
Electrical life 4000 4000
Mechanical life 10000 10000
Contact position indicator No No
Fault Indication No No
Protection degree IP20 IP20
Reference temperature for setting of thermal element 30℃ 30℃
Ambient temperature (with daily average ≤35℃) -5~+40℃ -5~+40℃
Storage temperature -35~+70℃ -35~+70℃
Terminal connection type Cable/Busbar Cable/Busbar
Terminal size top/bottom for cable 25mm2 25mm2
Terminal size top/bottom for busbar 25mm2 25mm2
Tightening torque 3.0N 3.0N
Connection Top and Bottom Top
Combination with accessories
Auxiliary contact No No
Alarm contact No No
Shunt release No No
Under voltage release No No


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