🔹 WATSN Remote Transfer Switch – NR06303 (630A, 3 Pole, Remote Operated Changeover Switch)
The WATSN NR06303 Remote Transfer Switch (RTSE) is a heavy-duty remote-operated transfer switch designed for secure and reliable switching between two independent power sources in critical commercial and industrial power systems. It enables load transfer through external control signals from PLCs, generator controllers, SCADA systems, and Building Management Systems (BMS), providing centralized control over power source selection.
Featuring a 630A rated current, 3-pole configuration, and 400V AC operation, the NR06303 is built on the proven Class PC transfer switch platform, ensuring safe source isolation, dependable switching performance, and long service life. The switch incorporates a three-position mechanism (Source I – OFF – Source II) for safe operation and maintenance.
Designed in compliance with IEC 60947-6-1, the NR06303 offers excellent electrical endurance, robust construction, and reliable performance for demanding applications where uninterrupted power availability is essential.
• Genuine WATSN Remote Transfer Switch
• Model: NR06303
• Rated Current: 630A
• 3-Pole configuration
• Remote-operated transfer switch (RTSE)
• Class PC transfer switch technology
• Three-position operation (Source I – OFF – Source II)
• Remote electrical control capability
• Open transition switching operation
• Suitable for PLC, BMS, and SCADA integration
• High electrical and mechanical durability
• IEC 60947-6-1 compliant
• Designed for critical power applications
| Parameter | Specification |
|---|---|
| Product Type | Remote Transfer Switch (RTSE) |
| Model Number | NR06303 |
| Series | WATSN |
| Rated Current (Ie) | 630A |
| Number of Poles | 3 Pole |
| Rated Operational Voltage | 400V AC |
| Frequency | 50/60 Hz |
| Operation Type | Remote Electrical Operation |
| Transfer Switch Class | PC Class |
| Utilization Category | AC-33B |
| Transfer Type | Open Transition |
| Operating Positions | Source I – OFF – Source II |
| Rated Insulation Voltage (Ui) | 800V |
| Rated Impulse Withstand Voltage (Uimp) | 8kV |
| Mounting Type | Panel Mounted |
| Standard Compliance | IEC 60947-6-1 |
| Application | Remote Power Source Changeover |
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