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GHM21-63 Miniature Circuit Breaker
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  Standard   IEC/EN 60898-1
Electrical features Rated current In A 2,4,6,10,16,20,25,32,40,50,63
Poles P 1,2,3,4
Rated voltage Ue V AC 240/415
Insulation voltage Ui V 500
Rated frequency Hz 50/60
Rated breaking capacity A 2~32A 6kA / 40~63A 4.5kA
Rated impulse withstand voltage(1.2/50)Uimp V 4000
Dielectric test voltage at ind.Freq.for 1min kV 2
Pollution degree   2
Thermo-magnetic release characteristic   B,C,D
Mechanical features Electrical life t 4000
Mechanical life t 10000
Protection degree   IP20
Reference temperature for
setting of thermal element
íŠ 30
Ambient temperature(with daily averageí▄35íŠ) íŠ -5~+40(Special application please refer
to temperature compensation correction)
Storage temperature íŠ -25~+70
Installation Terminal connection type   Cable/Pin-type busbar / U type busbar
Terminal size top/bottom for cable mm2 25
AWG 18-3
Terminal size top/bottom for busbar mm2 25
AWG 18-3
Tightening torque N*m 2
In-Ibs. 18
Mounting   On DIN rail EN 60715(35mm)
by means of fast clip device
Connection   From top and bottom
Temperature derating
Please refer to table below for temperature compensation correction
Rated current In(A) Temperature compensation coefficient under various operational temperature
-10íŠ 0íŠ 10íŠ 20íŠ 30íŠ 40íŠ 50íŠ 55íŠ 60íŠ
1~6 1.20 1.14 1.09 1.05 1.00 0.96 0.80 0.75 0.70
10~32 1.18 1.12 1.08 1.04 1.00 0.96 0.92 0.88 0.84
40~60 1.16 1.12 1.07 1.03 1.00 0.97 0.87 0.83 0.80
Overal and mounting dimensions(mm)
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