Wenzhou Kinee Electrical Co., Ltd. is one of the most reliable manufacturers and suppliers of 50hz miniature circuit breaker in China. We warmly welcome you to wholesale 50hz miniature circuit breaker for sale here from our factory. All customized products are with high quality and competitive price.
Product Introduction
The KNS3-63N series miniature circuit breakers are suitable for overload and short-circuit protection in lighting or squirrel-cage motor power distribution systems with AC 50Hz, rated voltage up to 400V and below, and rated current up to 63A, as well as for overload and short-circuit protection of power equipment. They can also be used for infrequent switching of circuits under normal conditions. These circuit breakers are suitable for industrial, commercial, high-rise, and residential applications.
Technical Parameters
|
Product Model |
KNS3-63N |
|
Meets standards |
IEC60898-1 |
|
Rated current (A) |
1A,2A,3A;4A,6A,10A,16A,20A,25A,32A,40A,50A,63A |
|
Extreme number |
1P,2P,3P,4P |
|
Mechanical life (times) |
20000 |
|
Electrical life (times) |
10000 |
|
Reference temperature (°C) |
30 |
|
Operating ambient temperature (°C) |
-30~+75 |
|
Maximum cross-sectional area of connecting wire (mm²) |
25 |
Working Conditions
|
Temperature |
The ambient air temperature should not exceed +40℃, should not be lower than -5℃, |
|
High |
The altitude of the installation site should not exceed 2000m; if higher altitudes are required, derating should be performed according to IEC 61439 Technical Requirements for Low-Voltage Electrical Appliances for High-Altitude Use under Special Environmental Conditions. |
|
Atmospheric conditions |
At +40℃, the relative humidity should not exceed 50%, and higher relative humidity is permissible at lower temperatures; at an ambient air temperature of 55℃, the relative humidity should be ≤95%. |
|
Resistance to damp heat |
The average minimum temperature of the wettest month shall not exceed +25°C, and the average maximum relative humidity of that month shall not exceed 90%, taking into account condensation on the product surface caused by temperature changes. |
|
Pollution level |
Level 2 |
|
Installation Category |
Ⅱ,Ⅲ |
|
Installation method |
Installed using TH35-7.5 type mounting rail. |
|
Installation conditions |
The inclination of the mounting surface from the vertical plane should not exceed 5°. |
|
Places without significant vibration and impact |
|
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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