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Product Description
YCB9-63R series
15KA Miniature Circuit Breaker Instruction
1.General
YCB9-63R Series Miniature circuit breaker
is applicable to protecting from overload and short circuit in the circuit of AC 50/ 60Hz , Rated voltage 230/400V rated
current 63A ,it also can be used in switch the infrequent operation of the circuit
under normal conditions . It's mainly used in industry, commerce, high-rise buildings and residential houses and so on .
Standard : IEC 60898-1
2.Operating conditions
2 . 1 Circumstance temperature -5ºC~+40ºC, average temperature within 24h not
exceeding +35ºC .
2 .2 Altitude above sea level less than 2000m. 2 .3 Humidity not exceeding 50% at 40ºC and not exceeding 90% at 25ºC .
2 .4 Pollution class 2 .
2 .5 Installation class ll or III .
2 .6 Installation method DIN Rail mounting
type .
2 .7 Product shall be installed at the place where there shall be no severe impact and vibration .
2 .8 The product should locate in the places where there are no obvious impact and shake .
3 . 1 The basic specifications and main
technical parameters of the circuit breaker are shown inTable 1 ; The overcurrent protection characteristics are shown in Table 2 .
Ui |
500V |
Number of poles |
1P/2P |
3P/4P |
Rated trequency Hz |
50/60 |
Rated voltage Ue |
AC230V/400V |
AC400V |
Rated Current ln |
1A,2A,3A,4A,6A,8A,10A,13A, 16A,25A,32A,40A,50A,63A |
Thermo-magnetic release characteristic |
B/C/D |
Rated short circuit breaking capac1tylcn |
15kA |
|
Test |
Test estcurrent |
Initial status |
Time limit for tripping or not tripping |
Expected result |
Testing env1ronment temperature |
Remarks |
a |
BCD |
1 . 13In |
cold state |
t≤1h |
Not tripping |
30ºC~35ºC |
current lncrease steadily within 5s |
b |
BCD |
1 .45In |
Right after test number a |
t<1h |
Tripping |
c |
BCD |
2 . 55 |
cold state |
1s<t<60s (In≤32A) 1s<t<120s (In>32A) |
Tripping |
d |
BCD |
3In 5In 10In |
cold state |
t≤0. 1s |
Not tripping |
Turn on the power supply by closing the auxiliary switch |
e |
BCD |
5In 10In 20In |
cold state |
t<0. 1s |
Tripping |
Turn on the power supply by closing the auxiliary switch |
Note: The terminology "Cold state" means that the test is performed at the base calibration temperature with no load prior to the test .
3 .2 Mechanical and Electrical lifeshown in TabIe 3
Item |
Times |
Operation Frequency times/h |
Rated current(A) |
Electrical life |
10000 |
240 |
1~32 |
120 |
40 ~63 |
Mechanical life |
20000 |
240 |
1~63 |
3 .3 Wire connection
Befo re i nstallatio n , check w hethe r technical parameter of the circuit breaker is in conformity with user's requirement . The conductor of power supply shall be connected to the up terminal of circuit breaker. During installation, the tightening torque is max 2 .5N · m . The sectional area of connecting wire can refer to Table 4
Rated current In A |
conductor cross section S mm2 |
6 |
1 |
10 |
1 .5 |
16 ,20 |
2 .5 |
25 |
4 |
32 |
6 |
40 ,50 |
10 |
63 |
16 |
4. Overall and mounting dimensions
5.Ordering instruction
5 . 1 When ordering , the customer shall indicate the product type , tripping curve , rated current, number of poles, accessories and quantity of the circuit breaker. For example: YCB9-63R C25 3P 880pcs .
5 .2 Customers can negotiate separately if you have special requirements .
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