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GYL9 Type B Residual Current Circuit Breaker (RCCB) For PV

GYL9 Type B Residual Current Circuit Breaker (RCCB)(without overcurrent protection), suitable for rated voltage 230V at two poles, 400V at four poles, rated current n line 63A, when the person gets electric shock or the grid leakage current exceeds the specified value, the residual current action circuit breaker can quickly cut off the fault power supply for protecting the safety of human body and electrical equipment can also be used for infrequent switching of circuits and infrequent starting of motors.



  • *In compliance with IEC/EN 61008.1,IEC/EN 62423;
  • *Bilateral busbar wiring capabilities to adapt to the wider use of premises.
  • *Maximum connecting ability of 35mm², wiring torque 3.5N*m, applicable to a variety of installing equipments, wiring stronger
  • *Protection class:IP20


Electrical features
Type(ware form of the earth leakage sensed) B
Rated current In 25、40、63A
Poles 2P 4P
Number of poles versus modules 2P= 4mod;4P=4 mod
Rated voltage Ue 2P:230V~ 4P:400V~
Insulation voltage UI 500V
Rated frequency 50/60Hz
Rated sensitivity IAn 0.03A 0.1A 0.3A
Rated residual making and breaking capacity Im 500(In=25-40A)630(In=63A)
Short-circuit current lnc=lAc 10000A
SCPD fuse 10000
Break time under IAn ≤0.1S
Rated impulse withstand voltage(1.2/50)Uimp 6000V
Dielectric test voltage at and ind.Freq.for 1min 2.5kV
Electrical life and Mechanical life 4000
Pollution degree 2
Fault current indicator NO
Protection degree IP20
Ambient temperature(with daily average of 35 ) -5~+40°℃
Storage temperature -25+70℃
Terminal connection type Cable/U-type busbar/Pin -type busbar
Terminal size top/bottom for cable 35mm²
Tightening torque 3.5N*m
Mounting On DIN rail FN 60715 (35mm)by means of the fast clip device
Connection From top
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