Fronius Backup Switch 1PN/3PN-63A Manual Transfer Switch
Marke: Fronius
Datenblatt (PDF)Beschreibung
The Fronius Backup Switch 1PN/3PN-63A is a cost-effective manual transfer switch (MTS) that enables backup power activation in PV systems equipped with Fronius Primo, Symo GEN24 Plus, or Verto Plus inverters. It provides a simple, space-saving solution for switching between grid and backup power sources, supporting both single-phase and three-phase configurations.
Rated for 63 A at 230/400 V (3-phase), the switch meets utilisation categories AC21A, AC21B, AC23A, AC23B, and AC3. It mounts on a standard 35 mm DIN rail and fits easily into electrical switch cabinets, with compact dimensions of 70 × 135.4 × 91 mm to keep installation costs and effort to a minimum.
The device is certified to IEC 60947-6-1, has IP20 protection, and operates reliably across an ambient temperature range of −40 to +60 °C. Cable connections support phase and neutral conductors from 1 to 25 mm², and data communication lines from 0.13 to 2.5 mm².
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