BYB1-63 miniature circuit breaker is used in AC 50/60Hz, rated voltage of 230V 3, 4 poles 400V, rated current to 63A for overload and short-circuit protection as well as for unfrequented switching under normal case.It is used extensively for industry, commercial and household.This product conform to IEC60898.1 standard.
General:
1.Overload protection
2.Short circuit protection
3.Used in residential buiding,non-residential building,energy souce industry and infastructure
4.According to the type of instantaneous release classified as follows:typeB(3-5)In,typeC(5-10)In,typeD(10-20)In
For protection of general power distribution (IEC/EN 60898-1)
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| Poles |
1P |
2P |
3P |
4P |
| Electrical performance |
| Functions |
short circuit protection,overload protection,isolationg,control |
| Rated frequency f (Hz) |
50-60Hz |
| Rated working voltage Ue V AC |
230/400 |
400 |
| Rated current In(A) |
1,2,3,4,5,6,10,16,20,25,32,40,50,63 |
| Rated insulated voltage Ui (V) |
500 |
| Impulse withstand voltage Uimp kV |
4 |
| Instantaneous tripping type |
DZ47-63 |
B/C/D |
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B/C/D |
| Rated short circuit Icn(kA) |
|
6 |
| |
|
10 |
| Release type |
Thermal magnetic type |
| Service life(O~C) |
Mechanical |
Actual value |
20000 |
| |
|
Standard value |
4000 |
| |
Electrical |
Actual value |
8000 |
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|
Standard value |
4000 |
| Connection and installation |
| Protectiom degree |
IP20 |
| Wire mm² |
1~35 |
| Working temperature |
-5 ~+40ºC |
| Resistance to humidity and heat |
Class 2 |
| Altitude above sea |
≤2000 |
| Relative humidity |
+20ºC , ≤90% ;+40ºC , ≤50% |
| Pollution degree |
2 |
| Installation environment |
Avoid obvious shock and vibration |
| Installation class |
Class II , Class III |
| Mounting |
DIN35 rail |
| Combination with accessories |
| Auxiliary contact |
Yes |
| Alarm contact |
Yes |
| Shunt release |
Yes |
| Undervoltage release |
Yes |
| Auxiliary contact+Alarm contact |
Yes |
| Dimensions(mm) (WxHxL) |
a |
18 |
36 |
54 |
72 |
| |
b |
80 |
80 |
80 |
80 |
| |
c |
72 |
72 |
72 |
72 |
Warranty:
1. We provide 18 months warranty.
2. If the product is defective, please notify us within 10 days of delivery.
3. All products must be returned on their original condition, in order to qualify for a refund or exchange of goods
Our Services
A. Punctual delivery time:
We carry out your order into our well-organized production schedule, ensure your punctual delivery time.
Production report before your order packed.
Shipping notice and photos sent to you as soon as your order is shipped.
B. After-service:
We Pay high Attention To Your Feed back after receive the goods.
We Provide 18 months warranty after goods arrive.
We Positively Revert Your Complain Within 48hours.
Audited Supplier 
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