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YCB7-63 1Pole 63A MCB








General

1. Overload protection

2. Short circuit protection

3. Controlling

4. Used in residential building, non-residential building, energy source industry and infrastructure.

5. According to the type of instantaneous release classified as follows: type B(3-5)ln, type C(5-10)ln, type D(10-20)ln

Release

Type Test current Tripping time Expected result   Type Test current Tripping time Expected result
B,C,D 1.13In t≤1h(In≤63A) Not tripping B 3In t≤0.1s Not tripping
1.13In t≤2h(In>63A) C 5In t≤0.1s
B,C,D 1.45In t<1h(In≤63A) Tripping D 10In t≤0.1s
1.45In t<2h(In>63A) B 5In t<0.1s Tripping
B,C,D 2.55In 1s<t<60s(In≤32A) Tripping C 10In t<0.1s
2.55In 1s<t<120s(In>32A) D 20In t<0.1s

Curve

Specifications

Type Standard   lEC/EN 60898-1
Electrical
features
Rated current ln A 1, 2, 3, 4, 5, 6, 10, 16, 20, 25, 32, 40, 50, 63
Poles P 1, 2, 3, 4
Rated voltage Ue V 230/400
Insulation voltage Ui V 500
Rated frequency Hz 50/60
Rated breaking capacity A 4500
Rated impulse withstand voltage(1.2/50)Uimp V 4000
Dielectric test voltage at ind. Freq. for 1min kV 2
Pollution degree   2
Mechanical features Thermo-magnetic release characteristic   B, C, D
Electrical life t 6000
Mechanical life t 20000
Protection degree   IP20
Reference temperature for setting of thermal element 30
Ambient temperature
(with daily average≤35℃)
-5~+40
Storage temperature -25~+70
Installation Terminal connection type   Cable/Pin-type busbar
Terminal size top / bottom for cable mm² 25
AWG 3月18日
Terminal size top / bottom for busbar mm² 25
AWG 3月18日
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

Overall and mounting dimensions(mm)

 

 

 


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