Home > Products > Miniature Circuit Breaker > Latest wholesale dc circuit breaker Good quality wholesale OEM & ODM circuit breaker
Latest wholesale dc circuit breaker Good quality wholesale OEM & ODM circuit breaker
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Product Description
BKNSeries Miniature Circuit Breaker |
|
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. |
2. Main Technical Parameter |
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 | ||
50-63A: 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) | Nominal 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 immediately after previous test | 1.45In | t<1h | Release | - | ||
Cold position | 2.55In | 1s<t<60s (In≤32A) | Release | Current smoothly rises to specified value within 5s | ||
Cold position | 2.55In | 1s<t<120s (In>32A) | Release | |||
-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 |
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.
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.
Contact Us
- Yueqing Hanke Electric Co., Ltd.
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