The B4 series of rocker switches is designed with a 30 x 22 square cut. It has an ENEC electrical rating of 16 A. It has a rating of 25A / 125V and 3/4HP 125V. The IP protection level increases due to B4PRT.
It is used on ironing systems, hobby and work operations. Models are available in either illuminated or non-illuminated types.