🔹 WATSN Automatic Transfer Switch – NA06303V (630A, 3 Pole, Type A, Under/Over Voltage Protection)
The WATSN NA06303V Automatic Transfer Switch (ATS) is a high-capacity automatic power transfer solution designed for seamless switching between the main utility supply and a standby generator or alternate power source. It ensures uninterrupted power continuity by automatically transferring connected loads whenever the primary power source experiences failure, under-voltage, or over-voltage conditions.
Featuring a 630A rated current, 3-pole configuration, and a Type A intelligent controller, the NA06303V continuously monitors both power sources and performs fast, reliable transfer operations to protect critical electrical loads and maintain operational continuity.
Built with Class PC transfer switch technology, the WATSN ATS delivers excellent switching performance, high durability, and compliance with IEC 60947-6-1 standards. Its robust design makes it ideal for heavy-duty commercial, industrial, and infrastructure applications where dependable backup power management is essential.
• Genuine WATSN Automatic Transfer Switch
• Model: NA06303V
• Rated Current: 630A
• 3-Pole configuration
• Type A intelligent controller
• Under-voltage and over-voltage protection
• Automatic utility-to-generator transfer
• Class PC transfer switch mechanism
• Open transition switching operation
• High switching reliability and durability
• Compact panel-mount design
• IEC 60947-6-1 compliant
• Suitable for critical power applications
| Parameter | Specification |
|---|---|
| Product Type | Automatic Transfer Switch (ATS) |
| Model Number | NA06303V |
| Series | WATSN |
| Rated Current (Ie) | 630A |
| Number of Poles | 3 Pole |
| Controller Type | Type A |
| Protection Function | Under & Over Voltage Protection |
| Transfer Switch Class | PC Class |
| Utilization Category | AC-33B |
| Rated Voltage | 380–415V AC |
| Frequency | 50/60 Hz |
| Rated Insulation Voltage (Ui) | 800V |
| Rated Impulse Withstand Voltage (Uimp) | 8kV |
| Transfer Type | Open Transition |
| Operating Positions | Source I – OFF – Source II |
| Mounting Type | Panel Mounted |
| Standard Compliance | IEC 60947-6-1 |
| Application | Utility–Generator Changeover |
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