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Adjustable MCCB 400V/690V 800A 3/4 Poles with LSIG Trip Unit - China Suppliers & Factory
MCCB Highlights
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Welding process flow of hardware parts:
Copper material → punching and forming → pickling → surface treatment/electroplating of copper parts → welding. -
Quality Assurance: Our after-sales rate of copper electroplating does not exceed 3 in 7 years. After degreasing agent, pickling, cleaning, silver plating (the printing plate is converted into silver molecules by electrolysis, and then adsorbed on the copper by electrodes), cleaning, drying, drying at 100 ℃ and other processes, the high-quality parts are obtained.
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Reliability Testing: Through 7.5% potassium sulfide experiment, the time can be as long as 15 minutes. It solves the defects of unstable welding and discoloration of copper parts in the same welding process. The function is to ensure that the electroplated coating does not blacken and discolor within the specified time.
Frequently Asked Questions
Q1: What is the welding process flow for MCCB hardware parts?
The process flow follows a strict sequence: starting with copper material, followed by punching and forming, pickling, surface treatment/electroplating of copper parts, and finally welding.
Q2: What is the after-sales rate for the copper electroplating?
Our quality control ensures that the after-sales rate of copper electroplating does not exceed 3 cases within a 7-year span, highlighting our exceptional product durability.
Q3: How is the copper electroplating process conducted?
The process involves degreasing agent application, pickling, cleaning, silver plating (where the printing plate is converted into silver molecules by electrolysis and adsorbed onto copper by electrodes), cleaning, drying, and final drying at 100 ℃.
Q4: How does the potassium sulfide experiment benefit the product?
By passing a 7.5% potassium sulfide experiment for up to 15 minutes, we eliminate common defects like unstable welding and discoloration of copper parts, ensuring the electroplated coating does not blacken or discolor over time.
Q5: What are the core advantages of the MCCB electronic type?
The MCCB electronic type offers advanced protection features, enhanced welding stability of internal copper parts, superior anti-discoloration electroplating, and long-term operating reliability.
Q6: What does the ARM3e designation refer to?
ARM3e represents our high-performance electronic MCCB series, engineered with optimized manufacturing processes and stringent quality testing standards.
