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High-Voltage ARM5HU-400-3P MCCB with High Breaking Capacity - Trusted China Suppliers & Factory

The ARM5HU series MCCB represents the latest innovation in high-voltage, high-performance thermomagnetic circuit breakers made in China. Designed for AC 50/60Hz applications, it operates at a rated working voltage of 1140V and is suitable for circuit operations with a rated current of 630A. This advanced circuit breaker features overload, short circuit, and undervoltage protections, safeguarding your electrical lines and power equipment from potential damage. Ideal for use in new energy power systems and factories, the ARM5HU series is a reliable choice among suppliers looking for exceptional performance and durability in their electrical solutions.

Product Detail

ARM5HU Product Performance Table

ARM5HU-400 Product and Installation Dimension Drawings

Frequently Asked Questions (FAQ)

Q1 Where can I find the complete specifications of the ARM5HU series?

Detailed technical specifications, ratings, and electrical parameters are compiled in the ARM5HU Product Performance Table shown in the first section of this page.

Q2 What are the exact physical dimensions of the ARM5HU-400?

The exact physical dimensions, mounting hole locations, and structural spacing for the ARM5HU-400 are illustrated in the Product and Installation Dimension Drawings section.

Q3 Are these dimension drawings suitable for panel design planning?

Yes, the provided installation drawings provide standard design measurements necessary for engineers to plan layouts, clearances, and mounting configurations in electrical enclosures.

Q4 Does the ARM5HU-400 require specific mounting orientations?

Please refer to the installation dimension drawing section for recommended mounting positions and spacing clearances to ensure optimal ventilation and safe operation.

Q5 How do I select the correct model from the ARM5HU range?

Model selection should be based on your system's load current, breaking capacity requirements, and available physical space as detailed in our performance table and dimension sheets.