The KAEL LDQ5-125/4P 4 Pole Automatic Transfer Switch (ATS) is a high-capacity power management solution designed for three-phase electrical systems. With a rated current of 125A, it ensures smooth and automatic switching between two power sources such as utility supply and generator or inverter.
This ATS continuously monitors the primary power supply and instantly transfers the load to the backup source during power failure. Once the main power is restored, it automatically switches back, ensuring uninterrupted operation and protecting sensitive equipment from downtime and voltage instability.
The 4-pole configuration provides full isolation across all three phases and neutral, enhancing system safety and making it suitable for industrial, commercial, and heavy-duty applications.
Built with high insulation voltage (up to 690V) and strong surge resistance (up to 8kV), the KAEL ATS ensures reliable performance even in demanding environments. The DIN rail mounting design allows easy installation in distribution panels and control boards.
The red knob design provides clear visual control and manual switching capability when needed, adding flexibility during maintenance or emergency conditions.
This automatic transfer switch is widely used in factories, offices, solar systems, commercial buildings, and backup power setups where continuous power supply is essential.
Key Features:
Model: LDQ5-125/4P
Rated current: 125A
Voltage: 220V AC (50/60Hz)
4 pole (4P) design for 3 phase + neutral
Automatic dual power transfer (main + backup)
Fast switching for uninterrupted power supply
Manual and automatic operation modes
High insulation voltage up to 690V
Surge resistance up to 8kV
DIN rail mounting for easy installation
Red knob for manual control and identification
Suitable for industrial, commercial, and solar systems
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