Siemens 5SY4313-5

The Supplementary Protector is designed for use in electrical systems, featuring three poles and a rated current of 13 Amps. It operates at a voltage of 480 VAC and adheres to UL1077 standards. Its trip characteristic is classified as Curve A, suitable for applications where a delayed response to overloads is necessary.

With a compact design, this unit has a width of 54mm and a built-in depth of 70mm, allowing for efficient use of panel space. The device is rated for 10 kA short-circuit breaking capacity at 400 V, ensuring reliable protection in the event of faults. It is also rated with a pollution degree of 3 and provides an environmental operating range from -40 °C to ambient temperatures.

Notably, the unit has an IP20 degree of protection, indicating it is suitable for use in environments where exposure to dust and moisture is minimal. The Rated insulation voltage is 440 V, and it accommodates conductor cross sections of 0.75 mm² for both solid-core and multi-wired connections. The UL file E116386 is referenced in Vol. 1 Sec. 2, further validating its compliance with recognized safety standards.