Siemens HF361SS is a fusible heavy duty safety switch designed for reliable disconnection and overcurrent protection in industrial power distribution systems. This three-pole, single-phase switch is rated for 30A at 600VAC, with a high interrupting capacity of 200kA at 600V, and is housed in a NEMA 4X stainless steel enclosure for corrosion resistance in harsh environments. The switch features a quick-make/quick-break operating mechanism and visible blade design, with dimensions of 20.079 x 11.417 x 7.874 inches and a weight of 2.205 lb. It is UL listed and certified for use in ambient temperatures ranging from -13°F to 158°F (-25°C to 70°C). Typical applications include motor control centers, industrial machinery, and commercial electrical systems requiring a durable, high-fault-rated disconnect.