CB-125CXZ Moulded Case Circuit Breaker Datasheet & Manual

CB-125CXZ Moulded Case Circuit Breaker

The CB-125CXZ Moulded Case Circuit Breaker (MCCB) is a specialized solution for essential overload and short-circuit protection in DC electrical systems. Compliant with IEC 60947-2 standards and designed for DC lines with rated voltage up to 80V and rated current up to 125A, this MCCB ensures reliable safeguarding of DC circuits. Ideal for residential Photovoltaic (PV) & Energy Storage Systems (ESS), and other critical DC power applications, the CB-125CXZ delivers crucial performance to maintain system integrity and enhance electrical safety.

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FAQs

What is the main application of the CB-125CXZ MCCB?

It is designed for DC systems up to 80 V, providing overload and short-circuit protection for industrial and telecommunication power lines.

How does the CB-125CXZ differ from the CB-125CX model?

While both share the same frame and trip characteristics, the CB-125CXZ is specifically rated for DC 80 V, whereas the CB-125CX is for AC up to 415 V.

What is the short-circuit breaking capacity of this MCCB?

It features a 10 kA breaking capacity for both Icn and Ics, ensuring dependable interruption capability in DC circuits.

What installation method does it use?

The breaker adopts a plug-in installation design for quick and secure mounting, with bottom feeding for straightforward wiring.

Can the CB-125CXZ operate in harsh environments?

Yes. It operates reliably from −40 °C to +70 °C, up to 2 000 m altitude, and features IP20/IP40 protection with UL94 V-0 flame-retardant materials, ensuring performance in demanding industrial environments.

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CB-125CXZ Moulded Case Circuit Breaker

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CB-125CXZ Moulded Case Circuit Breaker

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