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JOYELEC QYB-63 AC Circuit Breakers MCB 1P 2P 3P 4P Miniature Circuit Breaker 6A 10A 16A 20A 25A 32A 40A 50A 63A

Miniature Circuit Breaker), also known as Micro circuit breaker, suitable for AC 50/60Hz rated voltage 230/400V, rated current to 63A circuit overload and short circuit protection. It can also be used as an infrequent operation conversion of the line under normal circumstances. Small circuit breakers are mainly used in industrial, commercial, high-rise and residential and other places.

Online Inquiry

Q: How can I get the sample to check your quality?

A: After price confirmation, you can require for samples to check our product’s quality. If you just need a blank sample to check the design and quality. We will provide you sample for free as long as you afford the express freight.

Q: What can I get the price?

A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please tell us in your email so that we will regard you inquiry priority.

Q: What is your term of delivery?

A: We accept FOB,CNF and CFR . You can choose the one which is the most convenient or cost effective for you.

Q: What about the lead time for the mass production?

A: Honestly, it depends on the order quantity and the season you place the order.





QYB-63 Series (3KA TO 4.5KA MCB)

MCB automatically switches OFF electrical circuits during any abnormal condition in the electrical network such as overload & short circuit conditions.

Key attributes:

No. of poles: 1,2,3,4

Model: QYB-63 AC

Color: Red Green Blue

Place of Origin:Zhejiang China
Brand Name:JOYELEC
Current: 1~63A
Voltage: 230V/400V
Frequency: 50/60Hz
Tripping curve: C
Energy limiting class: 1,2,3,4

Rated breaking capacity (lcn): 3KA TO 4.5KA