China Suppliers Factory ARXM3 Series Thermal Magnetic Circuit Breaker 400V/690V 63A-250A 3/4 Poles
MCCB Highlights
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High silver content, high conductivity, thermal conductivity, arc resistance, electric wear resistance.
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Preparation of dynamic and static contact material standards and reliable process guarantee, improving the electrical life of circuit breaker by 50%.
Frequently Asked Questions
What is the silver content in the ARXM3 MCCB contacts?
The silver content in the alloy contacts of the ARXM3 thermal magnetic MCCB can reach up to 85%, ensuring excellent performance and electrical stability.
How does high silver content benefit the MCCB?
High silver content provides superior electrical and thermal conductivity, enhances arc resistance, and significantly reduces electrical wear during operations.
What is the electrical life improvement of the ARXM3?
Through the optimized preparation of dynamic and static contact materials and reliable process control, the electrical life of the circuit breaker is increased by 50%.
What type of circuit breaker is the ARXM3?
The ARXM3 is a thermal magnetic type Molded Case Circuit Breaker (MCCB) designed for reliable overcurrent and short-circuit protection.
Why are dynamic and static contact material standards important?
Standardized preparation ensures consistent material quality, which guarantees long-term reliability and stable electrical contact under heavy loads.

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