KAEL LDQ5-125/4P Automatic Transfer Switch – 125A 4P | 3-Phase AC | Dual Power | DIN Rail

Ensure uninterrupted power supply for your critical systems with the KAEL LDQ5-125/4P Automatic Transfer Switch. This compact, high-performance ATS is designed to seamlessly switch between two power sources—typically city power and generator—making it ideal for industrial, commercial, and high-demand residential applications.

Key Features:

• Dual Power Input: Automatically switches between main (Normal Power) and backup (Generator) sources to maintain consistent power flow.

• Rated Current: Supports up to 125A, suitable for medium to high-load systems.

• 4P Configuration: Compatible with 3-phase systems including neutral (R, S, T, N) for full power control.

• Voltage & Safety: Rated at 220V AC with an insulation voltage of 690V and 8kV impact resistance, ensuring reliable and safe operation.

• Flexible Control: Features manual and automatic modes with a clear selector and control interface.

• DIN Rail Mounting: Designed for quick and easy installation in standard electrical enclosures.

• Standards Compliant: Built to meet IEC60947-6-1 standards for transfer switches.

Specifications:

• Model: LDQ5-125/4P

• Current Rating: 125A

• Working Voltage: 220V AC

• Insulation Voltage: 690V

• Impact Voltage Resistance: 8kV

• Frequency: 50/60Hz

• Poles: 4P (3-Phase + Neutral)

• Operation Modes: Manual / Auto

• Mounting Type: DIN Rail

• Application: ATS for city power and generator

Ideal for:
Backup power systems, industrial machinery, solar energy storage, off-grid homes, commercial buildings, and data centers.

Note: Manual operation must be set to the "Manual" position during manual control for safety compliance.