The Hager 4-Pole 63A Changeover Switch (Model SF463) is a modular DIN-rail-mounted manual transfer switch designed to safely switch a three-phase and neutral (3P+N) load between two different power sources, such as the utility mains and a backup generator or inverter.
Key Specifications
- Poles: 4-Pole (4P - suitable for three-phase and neutral switching)
- Rated Current: 63 A (AC-21 rating)
- Operational Voltage: 400 V AC (50/60 Hz)
- Switching Positions: I - 0 - II (Source 1 - Off/Center - Source 2)
- Mounting: DIN Rail (takes up 8 modular widths of 17.5 mm)
- IP Rating: IP20 (for indoor distribution board installation)
- Terminal Capacity: Accepts up to 25 mm² rigid or 16 mm² flexible cables, with a tightening torque of 2.9 Nm
