The B3F4055 is a single-pole single-throw Tactile Switch with standard, NO contact type, projected plunger type. Silver plated contacts without ground terminal.100MΩ Insulation resistance500V Dielectric strengthIEC IP00 Protection100000 Operations minimum lifeOperating force is 0.98N, 1.27N, 1.47N, 1.76N, 2.55N, 4.9N based on orderingSPST-NO contact configurationMaximum switching capacity of 50mA at 24VDCType B32 key tops are available only for projected plunger modelsApplicationsIndustrial, Power Management, Automation & Process Control