Mounting and wiring
The 5SY4206-8: Mounts on DIN rail with Siemens' quick assembly system – no tools needed. Combined terminals top and bottom accept both fork and ring lugs. Installation depth is 70 mm, overall depth 76 mm with the toggle. Sealable? Yes, the sealable option is rated, so you can lock the toggle position for safety lockout. IP20 with connected conductors means it's touch-safe once wired.
Environmental ratings
Operates from -40 °C to 75 °C ambient, with derating for humidity: max 95% up to 55 °C, 55% up to 70 °C, and 35% at 75 °C. Vibration resistant per IEC 60068-2-6: ±1 mm at 5–25 Hz, 50 m/s² at 25–150 Hz. Mount in any position – no derating for orientation.