CB-125CXZ Moulded Case Circuit Breaker Datasheet & Manual

CB-125CXZ Moulded Case Circuit Breaker

The CHINT CB-125CXZ Moulded Case Circuit Breaker (MCCB) is a high-performance DC protection solution designed for power distribution and equipment safety. Suitable for DC 80 V circuits up to 125 A, it offers reliable overload and short-circuit protection with a breaking capacity of 10 kA. Its thermomagnetic trip unit ensures quick, accurate fault response, while the compact, plug-in design allows easy installation and maintenance. Certified to IEC 60947-2 and approved by CE and TÜV, the CB-125CXZ ensures safe and stable DC system operation.

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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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