CB-63CXZ Moulded Case Circuit Breaker Datasheet & Manual

CB-63CXZ Moulded Case Circuit Breaker

The CB-63CXZ Moulded Case Circuit Breaker (MCCB) delivers essential overload and short-circuit protection for direct current electrical systems. Conforming to IEC 60947-2 standards, this MCCB is precisely engineered for DC lines with a rated voltage of 80V and rated currents up to 63A. With a robust 10kA breaking capacity, the CB-63CXZ is ideal for safeguarding critical residential PV (photovoltaic) and ESS (energy storage systems), as well as various other commercial and industrial DC power applications, ensuring reliable performance and enhanced electrical safety.

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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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CB-63CXZ Moulded Case Circuit Breaker

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CB-63CXZ Moulded Case Circuit Breaker

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