Wenzhou Kinee Electrical Co., Ltd. is one of the most reliable manufacturers and suppliers of high breaking capacity circuit breaker in China. We warmly welcome you to wholesale high breaking capacity circuit breaker for sale here from our factory. All customized products are with high quality and competitive price.
Product Introduction
High breaking capacity circuit breaker, The KNS3-63E miniature circuit breaker features advanced structure, reliable performance, strong breaking capacity, and a compact and aesthetically pleasing design. It is primarily suitable for AC 50Hz applications with rated voltages below 230/400V and rated operating currents below 63A. It can be used for overload and short-circuit protection of lighting and power distribution lines and equipment in office buildings, residences, and similar structures, and can also be used for infrequent switching and connection of circuits.
Technical Parameters
|
Product Model |
KNS3-63E |
|
Meets standards |
IEC60898-1 |
|
Rated current (A) |
1A,2A,3A;4A,6A,10A,16A,20A,25A,32A,40A,50A,63A |
|
Rated voltage |
230/400 |
|
Extreme number |
1P,2P,3P,4P |
|
Rated short-circuit breaking capacity (kA) |
4.5 |
|
Instantaneous disconnector type and disconnect current |
Type C (5-10) In Type D (10-20) In |
|
Electromechanical life (times) |
4000 |
Common Faults and Troubleshooting
|
Cause of the fault |
Cause Analysis |
Elimination methods |
|
Cannot be closed |
Is there a short circuit at the load end? |
Troubleshooting |
|
Operating mechanism malfunction |
Replacement product |
|
|
The rated current of the circuit breaker does not match the load current. |
Change product specifications |
|
|
Temperature rise is higher than average |
The wiring screw is not tightened or is loose. |
Tighten the wiring screws |
|
The selected conductor cross-sectional area is too small. |
Replace wire specifications |
|
|
The circuit breaker was not tripped during a short circuit. |
The selected circuit breaker is not compatible with the operating conditions of the load. |
Change product specifications |
|
No power |
The wire strip is too short |
Re-stripping the wire |
|
The wiring screws are not tightened or are loose. |
Tighten the wiring screws |
Corresponding Copper Conductor Cross-sectional Area
|
Rated current In (A) |
≤6 |
10 |
16,20 |
25 |
32 |
40,50 |
63 |
|
Conductor cross-sectional area (mm²) |
1 |
1.5 |
2.5 |
4 |
6 |
10 |
16 |
Core advantages
Overload protection; short circuit protection; insulation and flame retardancy; heat and cold resistance; widened handle; magnetic blow-out arc extinguishing; tunnel-type interface; easy wiring; good conductivity.
Appearance and Size
Questions and Answers
Q: When can I expect to receive a quote and detailed information after submitting an inquiry?
A: A reply will be sent within 24 hours.
Q: What makes you different from other suppliers?
A: We have a full range of electrical products and can also customize products to meet your specific needs.
Q: Do you provide samples? Are they free or extra?
A: Yes, we can provide samples free of charge, but we will not cover the shipping costs.
Q: Can I get a sample for testing before placing an order?
A: Of course!
Q: How's the delivery? I really need them urgently!
A: Samples require 5-7 days. Bulk orders require 12-15 days.
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