Specifications Model : KSD9700 Material : Metal case Contact : NO(Normal Open) Optional NC(Normal Close) Temperature : 15°C~155°C Rated Power : 250V 5A Lead Wire Length : 7.3cm / 2.9" Head Dimension : 20 x 7.5 x 3.5mm/0.78" x 0.3" x 0.14"(L*W*T) Rated voltage: 250V Overload current: 5A Operational temperature: 30-180 degrees Celsius Rated current DC12V/12A, DC24V/10A AC125V/8A, AC250V/5A Normal Electrical Strength: > 800V Normal contact resistance: 50m? Insulation Resistance > 100M ? Response speed < 1?/min More than 10,000 use times NO(Normal Open) NC(Normal Close) Note: Normal opening = over-temperature connection, Normal closing = over-temperature disconnection