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Home > Products > Miniature Circuit Breaker > Factory direct sales BKN 1A-63A / 1P2P3P4P AC 50Hz / 60Hz 230V 400V white MCB miniature circuit breaker

Factory direct sales BKN 1A-63A / 1P2P3P4P AC 50Hz / 60Hz 230V 400V white MCB miniature circuit breaker

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Product Description

Products Description

1.Application

BKN miniature circuit breaker is applicable to a line of AC 50Hz/60Hz, 230V in singlepole, 400V in double, three, four poles for protecting overload and short circuit, and rated cur-rent up to 63A. It can also be used for infrequent line conversion under the normal condition.Thebreaker is applicable to lighting distribution system in industrial enterprise, commercially district,high-rise building and dwelling house. It conforms with the standards of IEC60898.

Type					BKN
Pole					1P			2P, 3P, 4P
Rated current (A)					1,2,3,4,5,6,10,16,20,25,32,40,50,63
Rated voltage(V)					230			400
Type of instantaneous release					B C	D	B C	D
Rated short circuit breaking capacity Icn(KA)					1-40A: 6	4.5	1-40A: 6	4.5
Rated short circuit breaking capacity Icn(KA)						4.5	50-63A: 4.5	4.5	50-63A: 4.5
Life (times)	1-32A	Electric life	no less than 6000 operations
				Mechanical life	(O-C) no less than 20000 operations
				Operation frequency	240 times per hour
		40-63A	Electric life	no less than 6000 operations
				Mechanical life	(O-C) no less than 20000 operations
				Operation frequency	120 times per hour

3. Applicable conducting wire
Rated current(A)	Norminal cross section of wire mm2
1-6A	1
10A	1.5
16,20A	2.5
25A	4
32A	6
40,50A	10
63A	16

4. The over-current protection property
Ambient Temperature	Initial Status	Test Current	Expected Result	Expected Result	Note
30±2oC	Cold position	1.13In	t≥1h	Non-release	-
		Carried out immediatelyafter previous test	1.45In	t < 1h	Release	-
		Cold position	2.55In	1s < t< 60s(In≤32A)	Release	Current smoothly rises tospecified value within 5s
		Cold position	2.55In	1s < t < 120s(In>32A)	Release	Current smoothly rises tospecified value within 5s
-5~+40oC	Cold position	3In	t≤0.1s	Non-release	Type B
		Cold position	5In	t < 0.1s	Release	Type B
		Cold position	5In	t≤0.1s	Non-release	Type C
		Cold position	10In	t < 0.1s	Release	Type C
		Cold position	10In	t≤0.1s	Non-release	Type D
		Cold position	20In	t < 0.1s	Release	Type D

5. Dimension

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FAQ

Q1: Are you a circuit breaker factory or a circuit breaker from a trading company?

A1: We are a factory of circuit breaker.

Q2: Can samples be provided for free?
A2: Samples can be provided, but the sample cost should be paid by you. Sample fees will be refunded after further ordering.

Q3: Do you accept customized orders?
A3: Yes. We can provide OEM, ODM services.

Q4: What is the payment term?
A4: We accept TT, 30% deposit and 70% balance before give delivery.

Q5: When is the delivery time?
A5: It usually takes 15-25 days to confirm payment after LY, but the specific time should be based on the order quantity.

Q6: Tell me the standard of package?
A6: Export standard package or special package according to customer requirement.

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