125A AC 400V Automatic Transfer Switch, Auto/Manual Generator Transfer Switch with Silver Contacts

Power Transfer Switch – Automatic and Manual Modes ‑efficiency silver‑plated contacts – 125 A, AC 400 V – Millisecond switching **Core Benefits** Immediate power source change in a few milliseconds, keeping critical equipment running without interruption. Dual operation modes: automatic switch‑over when the primary source fails and manual control for planned transfers or testing. efficiency contacts reduce voltage drop and heat generation, extending component life. Rated for 125 A continuous current, suitable for medium‑size industrial and commercial loads. **Key Features** **Voltage / Current Rating**: 400 V AC, 125 A continuous. **Switching Speed**: Transition time measured in milliseconds ensures minimal downtime. **Contact Material**: Silver‑plated contacts provide low resistance and reliable conductivity. **Construction**: Robust housing built from die‑cast aluminum for durability in harsh environments. **Mounting**: Compact panel‑mount design fits standard electrical cabinets. **Control Options**: Auto‑detects loss of primary power; manual lever or push‑button for operator‑initiated changeover. **Typical Applications** 1. **Factory Production Lines** – Keeps essential machinery powered during utility outages, preventing production loss and equipment damage. 2. **Large Retail Complexes** – Maintains lighting, security systems, and HVAC operation when the main supply is interrupted, ensuring safety and comfort for shoppers. 3. **Data Centre Backup** – Provides rapid transfer to generator power for critical server racks, protecting data integrity and service continuity. **Why Choose This Switch** Guarantees uninterrupted operation for essential loads, reducing the risk of costly downtime. Simple installation in existing panels eliminates the need for extensive rewiring. Manual override allows scheduled maintenance without risking accidental power loss. Low maintenance design thanks to corrosion‑resistant contacts and sturdy enclosure. **Compatibility** Designed for standard three‑phase AC distribution panels used in industrial, commercial, and institutional facilities. Compatible with typical generator sets and UPS systems that supply 400 V AC. **Performance Highlights** Consistent contact pressure ensures stable connection under load. Rated for repeated cycling, supporting frequent switch‑over events. Meets industry expectations for reliability in demanding power environments. This power transfer switch delivers fast, reliable source changeover with both automatic safety and manual flexibility, making it a practical solution for any facility that cannot afford power interruption.