This is a Single Throw Safety Switch. This safety switch has a rated current of 30A and is 4 pole. This safety switch has a rated operational voltage of at200 kA and 600 VAC/DC at 10 kA. With a motor power of 7.5 hp. This heavy duty disconnect is surface mounted. This product complies with UL listed file E2875 standards. This product has a NEMA 1 degree of protection. and os made of steel. Dimensions for this disconnect are 20.5 in (H), 16.13 in (W), 6.85 in (D).