Siemens 5SY4116-6

The Supplementary Protector is designed for protection in electrical circuits, operating with a rated current of 16 Amps and a voltage capacity of 400 V. This compact device is characterized by its B trip curve, making it suitable for applications requiring standard protection against overloads and short-circuits.

With a build depth of 70 mm and a width of 18 mm, this 1-pole circuit breaker is compliant with UL1077 standards and is rated for a short-circuit breaking capacity of 10 kA at both 230 V and 400 V. The device is rated for a pollution degree of 3 and an over-voltage category of 3, ensuring reliable operation under various environmental conditions.

Installation is straightforward, as the unit is designed for panel mounting and supports a conductor cross-section of 0.75 mm² for both solid-core and multi-wired connections. It also features an IP20 protection class, making it suitable for indoor use.

This model, designated as 5SY4, is further supported by additional equipment options, thereby enhancing its versatility in industrial applications.