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CB-63CXZ Moulded Case Circuit Breaker
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Low Voltage IEC Final Power Distribution CB-63CXZ Moulded Case Circuit Breaker
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Final Power Distribution
CB-63CXZ-MCCB
CB-63CXZ-MCCB

CB-63CXZ Moulded Case Circuit Breaker

The CHINT CB-63CXZ Moulded Case Circuit Breaker (MCCB) provides high-performance DC protection for power distribution systems up to 80 V and 63 A. Designed to safeguard circuits from overloads and short circuits, it combines compact structure, thermomagnetic trip technology, and 10 kA breaking capacity. With long mechanical endurance, plug-in installation, and CE/TÜV certifications, the CB-63CXZ ensures safe, reliable operation in DC networks such as photovoltaic systems and telecom power supplies. 

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Product Information

Name
Size
Release time
Operate
CB-63CXZ-MCCB-Catalog.pdf
286.87KB
2025-12-15
Download
Name
Size
Release time
Operate
2403-CB-63CXZ-MCCB-Manual.pdf
884.79KB
2024-09-22
Download
Name
Size
Release time
Operate
2309-CB-63CXZ-MCCB-CB Certificate.pdf
905.11KB
2024-09-22
Download
2309-CB-63CXZ-MCCB-TUV Certificate.pdf
4.23MB
2024-09-22
Download
2009-CB-63CXZ-MCCB-CE Certificate.pdf
3.48MB
2024-09-22
Download
Name
Size
Release time
Operate
CB-63CXZ-MCCB-Drawing-1P+N-2D.dwg
192.24KB
2024-09-22
Download
CB-63CXZ-MCCB-Drawing-1P+N-3D.stp
7.65MB
2024-09-22
Download

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FAQs

 

What is the primary function of the CB-63CXZ MCCB?

It protects DC circuits up to 80 V and 63 A against overload and short-circuit faults, ensuring the safe operation of power distribution and control systems. 

 

What differentiates the CB-63CXZ from the CB-63CX model?

The CB-63CXZ is designed specifically for DC applications (80 V), while the CB-63CX is built for AC systems up to 415 V. Both share the same compact form factor and reliable thermomagnetic tripping mechanism. 

 

What is the breaking capacity of the CB-63CXZ?

It provides a 10 kA breaking capacity (Icn = Ics), enabling fast interruption of high fault currents to protect downstream equipment. 

 

Can the CB-63CXZ operate in extreme environments?

Yes. It functions reliably between −40 °C and +70 °C, at altitudes up to 2,000 m, with performance derating guidelines available for harsher conditions. 

 

What installation method does it support?

The CB-63CXZ adopts a plug-in installation design with bottom feed connection, providing ease of assembly and maintenance in compact DC panels.

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