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This Siemens SENTRON 5SY4111-7 is a 1-pole miniature circuit breaker designed for electrical circuit protection. It operates with a tripping characteristic class C and has a rated operational current of 5A at 35°C, with derated values at higher temperatures.
The breaker supports a supply voltage of 400V AC and has an insulation voltage rating of 440V AC. Its switching capacity is 10kA according to EN 60898 and up to 35kA according to IEC 60947-2, making it suitable for industrial and mechanical engineering applications.
Featuring a compact design with a width of 18mm and an installation depth of 70mm, it mounts on a DIN rail using a quick assembly system. The breaker is halogen-free and sealable, with combined terminals at both the top and bottom for flexible connections. It accommodates solid, stranded, and finely stranded conductors ranging from 0.75 mm² to 35 mm².
Environmental specifications include a degree of pollution of 3 and protection class IP20 with connected conductors. The mechanical service life is rated for a typical 10,000 switching cycles.
230V AC for single-phase, 400V AC for multi-phase, and max 72V DC.
Height 90mm, width 18mm, depth 76mm, installation depth 70mm. Mounts on DIN rail via quick assembly system.
C-curve.
10kA per EN 60898, 35kA per IEC 60947-2, 5kA per UL 1077, and 15kA DC.
Solid/stranded 0.75 to 35 mm², finely stranded 0.75 to 25 mm², AWG 18 to 4.
Yes, it is halogen-free.
10,000 switching cycles.