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CB-63CX Moulded Case Circuit Breaker
CB-63CX-MCCB
CB-63CX-MCCB

CB-63CX Moulded Case Circuit Breaker

The CHINT CB-63CX Moulded Case Circuit Breaker (MCCB) is designed to deliver reliable overload and short-circuit protection for AC circuits up to 415 V and 63 A. With thermomagnetic trip technology, a compact plug-in structure, and 6 kA breaking capacity, it ensures high safety and performance for power distribution systems. Built to IEC 60947-2 standards and certified by CE and TÜV, the CB-63CX MCCB provides durable and efficient circuit protection in commercial, industrial, and infrastructure applications. 

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FAQs

 

What is the purpose of the CB-63CX MCCB?
The CB-63CX protects electrical circuits from overload and short-circuit faults in AC networks up to 415 V and 63 A, ensuring system safety and reliability.

What tripping mechanism does it use?
It features a thermomagnetic trip unit with an instantaneous trip setting of 8 × In ± 20 %, providing precise protection under different fault conditions.

What are the available pole configurations?
The CB-63CX is available in 2P, 3P, and 4P versions, supporting AC 230/240 V and 400/415 V systems.

Can it be installed in any position or configuration?
Yes. Both top and bottom feed lines are acceptable, and it mounts easily using a plug-in installation system compatible with standard distribution panels.

What environmental conditions can it withstand?
It operates reliably from −40 °C to +70 °C, up to 2000 m altitude, and offers IP20/IP40 protection, making it suitable for industrial and commercial environments.