Component summary
The 5SY4250-6: Intended for mechanical engineering and industry applications per its suitability classification, the breaker mounts in any position on a DIN rail using the quick-assembly system and occupies two modular width units (36 mm). Halogen-free and silicon-free construction suits environments where outgassing or contamination must be minimised.
Installation & environment
Depth of 76 mm (70 mm installation depth), height 90 mm. IP20 with connected conductors. Degree of pollution 3, overvoltage category III. Operating temperature range -40 °C to 75 °C, derated for humidity above 55 °C. Sealable terminal covers combined at top and bottom allow padlocking for isolation locking. Neutral conductor is not switched by this device.
Standards & compliance
Designated with energy limitation class 3. Operating voltage is AC only, 50/60 Hz, rated 400 V (single-phase 440 V). DC operation supported up to 60 V rated, 72 V max, with 15 kA breaking capacity.