The DC miniature circuit breaker from CNKA is designed for DC circuits rated below 1000V. It is primarily used for overload and short circuit protection and can also be employed for occasional operation switching. The rated current should not exceed 63A.
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Product Model |
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NBL7-63 |
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Pole |
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1P |
2P |
4P |
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Frame Current |
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63A |
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Rated Current |
In |
6,10,16,20,25,32,40,50,63A |
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Rated Working Voltage |
Ue(DC) |
300V |
500/600/1000V |
1000V |
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Rated Insulation Voltage |
Ui |
1200V |
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Rated Impulse Withstand Voltage |
Uimp |
6kV |
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Breaking Capacity |
Icu |
6KA |
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Tripping Characteristic |
|
C |
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Tripping Type |
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Thermal Magnetic |
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Electrical Life |
Actual |
500 Cycles(63A Frame) |
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Standard |
300 Cycles |
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Mechanical Life |
Actual |
10000 Cycles(63A Frame) |
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|
Standard |
9700 Cycles |
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Overvoltage Category |
|
I |
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Pollution Degree |
|
3 |
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Ingress Protection |
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IP40 Wiring Port IP20 |
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Resistance To Humidity And Heat |
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Class 2 |
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Terminal Capacity |
|
2.5x35mm2 |
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Fastening Torque Of Terminals |
|
2.0℃3.5Nm |
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Ambient Temperature |
|
-30℃~~+70℃ |
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Storage Temperature |
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-40℃~+85℃ |
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Installation Method |
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DIN |
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Standard |
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IEC60947-2 |
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· 1 Designed for photovoltaic energy storage and other DC applications, with a maximum rated voltage of 1000V.
· 2Complies with AS60947.3-2018 and IEC60947.1-2015 standards.
· 3 Includes a 2-year warranty, product insurance, and recall insurance.
· 4 This product is ideal for photovoltaic energy storage and other DC applications, with a voltage rating up to 1000V, adherence to AS60947.3-2018 and IEC60947.1-2015 standards, and comes with a 2-year warranty, product insurance, and recall insurance.
Q: Do you have an office in Shanghai or Guangzhou that I can visit?
A: Our office is located in Wenzhou.
Q: Can I purchase just some spare parts from you?
A: Absolutely, we believe that long-term cooperation often begins with small orders.
Q: Can you deliver your equipment to my warehouse in Guangzhou?
A: Yes, for small orders, we offer free delivery to Guangzhou.
Address
Jingtai Testing Equipment, Xiangyang Industrial Zone, Liushi Town, Leqing City, Wenzhou City, Zhejiang Province
Tel
