Ycb9-63r Series 15ka Miniature Circuit Breaker for Overload and Short Circuit Protection

Product Description

Product Catalog 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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