China Thermal Magnetic MCCB Suppliers - High Circuit Breaking Capacity 200kA, 125A to 250A, 3/4 Poles, 400VAC/690VAC Factory Direct

Rated Current: Our expertly engineered circuit breakers are available in multiple rated currents including 125A, 140A, 160A, 180A, 200A, 225A, and 250A, ensuring a wide selection to meet your specific electrical needs.

Number of Poles: Choose from 3P or 4P configurations, designed to accommodate various electrical systems and enhance operational efficiency.

Rated Working Voltage: These high-performance circuit breakers are rated for working voltages of 400V and 690V, providing reliable protection for your electrical installations.

As a leading factory and supplier in China, we pride ourselves on delivering high-quality electrical components that meet international standards. Trust our products to ensure safety and reliability in your projects.

Product Description

Innovative Technology

MCCB Highlights

ARM5 series molded case double-break circuit breaker is a newly developed innovative product. Its design reflects the latest current limiting principle and manufacturing technology, and has compact, modular, high breaking, zero arcing, green and environmental protection characteristics. The circuit breaker is suitable for AC 50Hz/60Hz circuit with rated insulation voltage of 1000V, maximum rated working voltage of 690V, maximum breaking capacity icu and ics up to 200kA and rated current from 32A to 630A to make, break and carry rated current, and it can reliably protect lines and electrical equipment in case of overload, short circuit and undervoltage. It can also be used for infrequent starting, overload, short circuit and undervoltage protection of motor.

Double-Break Technology
Compact & Modular Design
Breaking Capacity Up to 200kA
Zero Arcing & Eco-Friendly
ARM5

Frequently Asked Questions (FAQ)

What is the ARM5 series molded case circuit breaker?

The ARM5 series is a newly developed molded case double-break circuit breaker designed with the latest current limiting principles and manufacturing technologies.

What are the key design characteristics of the ARM5 MCCB?

It features a compact, modular design, high breaking capacity, zero arcing, and green, environmental protection characteristics.

What voltage ratings does the ARM5 series support?

The circuit breaker is suitable for AC 50Hz/60Hz circuits with a rated insulation voltage of 1000V and a maximum rated working voltage of 690V.

What is the maximum breaking capacity of the ARM5 series?

The ARM5 series achieves a high breaking capacity, with maximum breaking capacity (Icu and Ics) reaching up to 200kA.

What rated current range does the ARM5 series cover?

It supports a rated current range from 32A to 630A to safely make, break, and carry rated current.

What types of protection does the ARM5 MCCB provide?

It reliably protects lines and electrical equipment against overload, short circuit, and undervoltage. Additionally, it is suitable for infrequent starting and protection of motors.

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