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CB-125CX Moulded Case Circuit Breaker
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Low Voltage IEC Final Power Distribution CB-125CX Moulded Case Circuit Breaker
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Final Power Distribution
CB-125CX-MCCB
CB-125CX-MCCB

CB-125CX Moulded Case Circuit Breaker

The CHINT CB-125CX Moulded Case Circuit Breaker (MCCB) delivers robust overload and short-circuit protection for AC circuits up to 415 V and 125 A. Designed for safe power distribution in industrial, commercial, and infrastructure systems, it ensures reliable circuit isolation and operational safety. With a 6 kA breaking capacity, thermomagnetic trip, and durable plug-in design, the CB-125CX offers consistent performance in demanding environments while complying with IEC 60947-2 and certified by CE and TÜV. 

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Product Information

Name
Size
Release time
Operate
CB-125CX-MCCB-Catalog.pdf
369.14KB
2025-12-15
Download
Name
Size
Release time
Operate
2403-CB-125CX-MCCB-Manual.pdf
1.8MB
2024-09-22
Download
Name
Size
Release time
Operate
2308-CB-125CX-MCCB-CE Certificate.pdf
107.46KB
2024-09-22
Download
2307-CB-125CX-MCCB-RoHS Verification Report Certificate.pdf
3.1MB
2024-09-22
Download
Name
Size
Release time
Operate
CB-125CX-MCCB-Drawing-3P-3D.stp
7.11MB
2024-09-22
Download
CB-125CX-MCCB-Drawing-3P+N-3D.stp
9.43MB
2024-09-22
Download
CB-125CX-MCCB-Drawing-2P-3D.stp
14.89MB
2024-09-22
Download
CB-125CX-MCCB-Drawing-4P-3D.stp
6.71MB
2024-09-22
Download

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FAQs

 

What is the primary function of the CB-125CX MCCB?

It provides reliable overload and short-circuit protection for low-voltage AC circuits up to 415 V / 125 A, ensuring safe operation and power distribution in commercial and industrial systems. 

 

What trip mechanism does it use?

The CB-125CX uses a thermomagnetic trip unit, offering a precise balance between thermal overload protection and magnetic short-circuit release for high reliability. 

 

How durable is the breaker in terms of service life?

It features a mechanical life of 6 000 and electrical life of 4 000 operations, ensuring longevity and reduced maintenance in regular switching applications. 

 

Can I install it in both top and bottom feed configurations?

Yes. The design supports top or bottom line feeding, making it flexible for various panel arrangements. 

 

What protection ratings does it offer?

The CB-125CX ensures IP20 protection for standalone installation and IP40 when mounted inside a distribution box, with pollution degree 3 for reliable operation in industrial environments.

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