The 5SY4463-6: Mounting position is any; the fastening method uses a quick-assembly system, and the unit is sealable for lockout/tagout compliance. Halogen-free and silicon-free construction, pollution degree 3, and IP20 finger-safe terminals with connected conductors.
Panel fit and sourcing posture
Width is 72 mm (4 modular width units), depth is 76 mm, installation depth 70 mm. Fits standard SENTRON panel-mounting rails and knockouts.
Installation notes
Rated 400 V AC (50/60 Hz) line-to-ground. Combined terminal at both top and bottom — feed-through wiring is straightforward. Position of supply cord is any; no orientation restriction. Overvoltage category III, typically for fixed-install panel feeders. Operates from −40 °C to 75 °C, storage included. If the panel ambient exceeds 35 °C, apply the derated current values given in the spec table — the 63 A rating is valid only at 35 °C.