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The Siemens 5SY4140-6 is a single-pole miniature circuit breaker designed for reliable overcurrent protection in industrial and mechanical engineering applications. It offers a rated operational current of 40A at AC and a switching capacity of 10kA according to EN 60898.
This circuit breaker operates with a Type B tripping characteristic, suitable for protecting circuits with low inrush currents. It has a rated insulation voltage (Ui) of 440V AC and a maximum DC operating voltage of 72V. The device is designed for DIN rail mounting and features a quick assembly system for ease of installation.
Key technical specifications include a mechanical service life of 10,000 switching cycles, an IP20 protection class with connected conductors, and a power loss of 3.6W per pole at rated current and AC. The connectable conductor cross-section ranges from 0.75 mm² to 35 mm² for solid and stranded conductors.
Compliance includes standards like IEC/EN 60898-1 and IEC/EN 60947-2. The breaker is halogen-free and silicon-free, contributing to environmental safety. It also supports sealability and properties for main switches in accordance with EN 60204-1.
The operational current rating for the Siemens 5SY4140-6 is 40A at AC and at 35°C.
The rated supply voltage for this circuit breaker is 400V AC, with an insulation voltage (Ui) of 440V AC.
The switching capacity current according to EN 60898 is 10 kA, and according to IEC 60947-2 it is 15 kA.
The tripping characteristic class is B.
This circuit breaker is designed for DIN rail mounting and features a quick assembly system.
Connectable conductor cross-sections range from 0.75 mm² to 35 mm² for solid and stranded conductors, and up to 25 mm² for finely stranded conductors with core end processing.
Yes, the Siemens 5SY4140-6 is halogen-free.