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1250A Dual Power Transfer Box: Overload Protection Design for Heavy Industrial Loads

Apr 13, 2026

Heavy industrial loads such as CNC machine tools, injection molding machines and conveyor lines in large factories require stable and uninterrupted power supply, and overload is one of the most common faults that cause power supply interruption. The 1250A dual power transfer box launched by GAOBO SWITCHGEAR MANUFACTURER is specially designed for heavy industrial loads, with advanced overload protection design, ensuring the safe and stable operation of industrial production lines.

 

Custom High Quality Switchgear

 

The overload protection design of the 1250A dual power transfer box focuses on three core aspects: first, adopting high-performance thermal overload relays, which can quickly detect overload current and cut off the circuit in time to avoid equipment damage; second, integrating intelligent overload monitoring modules, which can real-time collect load current data and issue early warnings when approaching the overload threshold, allowing operators to adjust the load in advance; third, optimizing the contactor design, with strong current-carrying capacity and good heat dissipation performance, adapting to long-term heavy load operation.

 

Custom LV Switchgear

 

In addition to overload protection, GAOBO SWITCHGEAR MANUFACTURER’s 1250A dual power transfer box also has short-circuit, undervoltage and phase loss protection functions, providing comprehensive protection for industrial power supply. The box adopts IP30 protection grade, suitable for indoor industrial environments, with modular structure and easy installation and maintenance. We also support customized overload protection parameters according to different heavy industrial load characteristics.

 

 

To ensure uninterrupted power supply for your industrial production, choose GAOBO SWITCHGEAR MANUFACTURER’s 1250A dual power transfer box. Visit Gaobo Switchgear Manufacturer for more product information.

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