The KAEL LDQ5-125/4P 4 Pole Automatic Transfer Switch (ATS) with Green Knob is a high-capacity and reliable power management device designed for three-phase electrical systems. With a rated current of 125A and operating voltage of 220V AC, it ensures seamless switching between two power sources such as utility supply and generator or inverter.
This ATS automatically monitors the primary power source and instantly transfers the load to a backup supply during power failure. Once the main supply is restored, it switches back automatically, ensuring continuous and stable power flow without manual intervention. This makes it ideal for critical applications where downtime is not acceptable.
The 4-pole configuration (3 phase + neutral) provides complete isolation and protection, making it suitable for industrial, commercial, and high-load residential systems. It is engineered for fast switching with minimal delay, reducing interruptions and protecting sensitive equipment.
Built with high insulation voltage (up to 690V) and surge resistance (up to 8kV), the KAEL ATS ensures safety and durability even in demanding environments. The DIN rail mounting design allows quick and easy installation in standard distribution boards.
The green knob variant offers clear identification and manual control capability, making it useful in organized electrical panels and maintenance operations.
This automatic transfer switch is widely used in solar systems, backup generator setups, commercial buildings, factories, and industrial power distribution systems where reliable and uninterrupted power supply is essential.
Key Features:
Model: LDQ5-125/4P
Rated current: 125A
Voltage: 220V AC (50/60Hz)
4 pole design (3 phase + neutral)
Automatic dual power switching (main + backup)
Fast transfer time with minimal interruption
Manual and automatic operation modes
High insulation voltage up to 690V
Surge resistance up to 8kV
DIN rail mounting for easy installation
Green knob for control and identification
Suitable for industrial, commercial, solar, and backup systems
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