C&K Switches PT Sealed Power Toggle Switches are IP66 / IP68-rated to withstand harsh outdoor environments, intense, wet weather, wind-blown rain, dust, and dirt. The PT switch series is UL 61058-1 certified, providing global acceptance with no need for additional testing. These C&K Switches sealed power toggle switches integrate a panel seal for extra protection and offer superior oil and fuel resistance. The high-strength, heat-resistant housing meets the requirements of demanding applications subjected to vibration and harsh conditions.