The SIEMENS HF224N is a heavy duty Nema 1 safety switch that comes with 2 poles and is able to handle up to 200 amps and 240 volts. It has a fusible UL fuse class of H, J, R, or T and is suitable for indoor use with its steel housing and on/off handle indication feature. With dimensions of 31 inches in height, 14-3/4 inches in width, and 10-1/4 inches in depth, this switch is designed for reliable and efficient performance. It also has a single phase and 3 wires, making it a great option for industrial and commercial settings.