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The Siemens SENTRON 5SY4101-7 is a single-pole miniature circuit breaker designed for low-voltage electrical installations. It provides protection against fault currents for wiring and equipment mounted on DIN rail systems. This breaker is suitable for control panels and distribution boards in industrial and commercial settings where predictable overcurrent tripping and a compact footprint are essential.
Key electrical specifications include a current rating of 1A, a tripping characteristic of Type C, a rated AC voltage of 400V, and a rated DC voltage of 60V. It offers a breaking capacity of 10kA, ensuring robust fault interruption. The device is designed for DIN rail mounting, facilitating rapid modular installation within distribution enclosures.
Applications for the 5SY4101-7 include branch-circuit protection in control panels for automation systems, protection of lighting and small motor circuits in industrial facilities, and use with DC auxiliary circuits requiring low-voltage overcurrent protection. Its single-pole configuration is ideal for circuits where neutral disconnection is not required.
This Siemens circuit breaker is built to meet standards such as IEC/EN 60947-2 and IEC/EN 60898-1, with approvals from CCC, CE, EAC, IMQ, RCM, UR, and VDE. It has an IP20 rating, indicating protection against solid objects larger than 12.5mm but not against water. The dimensions are 90mm in height, 76mm in depth, and 18mm in width.
The rated AC voltage is 400V and the rated DC voltage is 60V.
It mounts on DIN rail and uses screw terminals.
The breaking capacity is 10kA.
It has Type C tripping characteristics.
It complies with IEC/EN 60947-2/UL1077 and IEC/EN 60898-1.
The IP rating is IP20.
Height 90mm, depth 76mm, width 18mm.