SPST (On)-Off Carling Toggle Switch (6FA54-73) Operating Temperature: 0F to 150F (-17.8C to 65.6C). Insulation Resistance: 100 Megohms. Applications: Marine, Food Service, Generator, Industrial Control, Office Automation. Base Material: Phenolic. Actuator & Bushing Material: Brass/Nickel Plate. Recommended Mounting Hole: .500". ( ) indicates momentary action. Momentary: 10A 250VAC, 15A 125VAC, 3/4HP 120-240VAC.