Environmental material Loading: 5A, 125V AC, 3A, 250V AC Contact resistance: 20mΩ (maximum) Insulation resistance: 500V DC, 1,000Ω Dielectric strength: 1,500V DC, 1 minute Operating temperature: -25 to 85 degrees Celsius Electrical lifespan: 10,000 cycles Base colors: red, blue, yellow, black