Description
The Automatic Changeover 3-Phase (ATS – Automatic Transfer Switch) is designed for properties that use a three-phase power supply. It automatically transfers electrical load between two power sources, typically:
• Utility power (NEPA/PHCN)
• Generator or alternative backup supply
When utility power fails, the ATS detects the outage and automatically switches to the generator. Once utility power is restored and stable, it switches back automatically.
This ensures uninterrupted power supply for critical operations.
⚡ Key Features:
• Automatic transfer between two 3-phase power sources
• Fast and reliable switching
• Built-in delay to ensure stable reconnection
• Prevents backfeeding between utility and generator
• Heavy-duty contact system
• Suitable for high-load applications
• Available in various current ratings
🔧 How It Works:
Utility power available → Load runs on utility.
Utility fails → ATS automatically transfers load to generator.
Utility restored → ATS switches back after voltage stabilization delay.
No manual switching required.
🏢 Ideal Applications:
• Factories and industrial facilities
• Large residential buildings
• Offices and commercial complexes
• Hospitals and clinics
• Hotels and event centers
• High-capacity generator systems
Benefits:
• Continuous power supply
• Protects equipment from sudden outages
• Eliminates manual changeover risks
• Safe and professional power management
• Prevents power source mixing







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