Wholesale ARXM3 Series Thermal Magnetic Breaker 400V/690V 320A-800A 3/4 Poles - China Suppliers Factory Manufacturer, Factories

Rated Current: Our high-quality circuit breakers are available in various specifications, including 630A, 640A, 660A, 680A, 700A, 720A, 740A, 760A, 780A, and 800A. Suitable for a range of applications, these breakers ensure reliable performance.

Number of Poles: Choose from 3P or 4P configurations, providing flexibility to meet your specific electrical needs.

Rated Working Voltage: Designed for efficiency, our products operate at rated working voltages of 400V and 690V.

As a leading manufacturer based in China, we pride ourselves on being trusted suppliers in the industry. Our factory employs stringent quality control measures to produce durable and efficient electrical solutions tailored to meet global standards.

Product Description

Model: ARXM3

MCCB Highlights

1
Advanced Configuration:

ARXM3 thermal magnetic type available in 3p and 4p versions, utilizing high-grade thermosetting insulating materials for superior performance.

2
Unique Material Formula:

Engineered with a specialized formula that ensures high strength, exceptional arc resistance, robust insulation, high-temperature stability, and excellent flame retardancy.

3
Precision Sensing:

Features a high-sensitivity fixed-type temperature sensor. Utilizing premium bimetallic elements, it maintains full capacity without reduction across temperatures from -5℃ to 55℃.

4
Enhanced Durability:

Equipped with advanced spring materials offering 50% longer temperature and fatigue resistance compared to standard springs.

Frequently Asked Questions

Q1: What pole configurations are available for the ARXM3 MCCB?

The ARXM3 thermal magnetic MCCB is available in both 3-pole (3p) and 4-pole (4p) configurations to suit various industrial requirements.

Q2: What are the benefits of the thermosetting insulating materials used?

The unique material formula provides high mechanical strength, excellent arc resistance, strong insulation properties, and high flame retardancy, even under high-temperature conditions.

Q3: Does the ARXM3 MCCB require de-rating at high temperatures?

No, thanks to the high-quality bimetallic elements and high-sensitivity sensors, there is no need to reduce the current capacity within the range of -5℃ to 55℃.

Q4: How does the spring life of ARXM3 compare to standard circuit breakers?

The springs in the ARXM3 are designed with superior fatigue resistance, lasting approximately 50% longer than ordinary springs used in standard MCCBs.

Q5: Is the temperature sensor in the ARXM3 MCCB adjustable?

The ARXM3 features a high-sensitivity temperature sensor of the fixed type, optimized for reliable performance across its specified operating range.

Q6: What manufacturing setups are involved in the MCCB production line?

The production line integrates specialized areas including automated assembling systems, precision molding units, metal stamping lines, and dedicated parts processing centers to ensure stable quality control.

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