Description
KAEL KAQ5-125/4P Automatic Transfer Switch – 125A, 4 Pole, 220V AC | Handle Type
Ensure seamless power transfer with the KAEL KAQ5-125/4P Dual Power Automatic Transfer Switch (ATS).
Designed for three-phase systems, this 125A 4P switch provides reliable switching between mains and backup power sources such as generators, inverters, or secondary utility lines.
Whether you’re managing a solar hybrid system, an industrial machine, or a commercial panel, this ATS guarantees uninterrupted power supply during outages and power fluctuations. With automatic and manual modes, it’s perfect for both remote and onsite applications.
Key Features:
- Rated Current: 125A – ideal for medium-duty commercial or industrial use
- 4 Pole Switching (3 Phase + Neutral) – ensures full isolation between power sources
- Dual Power Input – supports grid-to-generator or grid-to-inverter transitions
- Handle Type with Lock – allows manual control and maintenance lockout
- Automatic Transfer – built-in motor automatically switches power upon detection of failure
- 220V AC Control Voltage – compatible with standard control circuits
Applications:
- Backup Power Management
- Solar & Inverter Systems
- Industrial Machines & Control Panels
- Commercial Buildings (HVAC, Elevators, Lighting)
- Telecom, Data Centers & Server Rooms
- Agriculture & Irrigation Systems
Specifications:
| Specification | Details |
|---|---|
| Model | KAQ5-125/4P |
| Current Rating | 125 Amps |
| Poles | 4P (3 Phase + Neutral) |
| Control Voltage | 220V AC |
| Working Voltage | 400V AC (Max 690V AC) |
| Installation | Surface Mount |
| Switching Time | Less than 1.5 seconds |
| Standards | IEC/EN 60947-6-1 |








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