high bright led signal lamp Panel cutout:7mm 10mm 26years factory experience ... Specifications:Contact Rating3A, 250V ACContact Resistance ≤50mΩInsulation Resistance≥1,000mΩDielectric Strength1,500VLife Expectancy(Mechanical)25,000 for latching ... ,000 for momentLife Expectancy(Electrical)100,000 for latching, 1,000,000 for momentary Mechanical Configuration:latching&momentaryPushbutton Headround, ...