The Square D by Schneider Electric 30 amp, 240 volt and 2 Pole Light Duty Safety Switch is designed for residential and agricultural applications in disconnecting power to workshops, hobby rooms, furnaces and garages. The switch is UL listed, File E2875 and meet or exceed the NEMA Standard KS1. For more than 100 years the Square D brand safety switch has been the unchallenged leader in the market. We've continued our tradition of innovation, developing new features that provide an unsurpassed level of performance, reliability, safety and ease of installation. This tradition has resulted in the Square D brand being preferred two to one over our closest competitor.