ITT Industries, Cannon's KSU detect switch is a top-actuated ultra-miniature detect switch that is protected from overload. The switch features a light actuation force without tactile effect and finds applications in handheld electronic equipment. KSU switches are also used as tamper switches in alarms or in electronic enclosures.
KSU switches feature a hard metal actuator, two large terminals and open contacts. Each switch has gold or silver contact plating and a long life rating of over 500 K operations. In addition, the switches have been designed to be compatible with surface-mount processes, infrared soldering processes and pick-and-place machines.
KSU switches with silver contacts handle 2,5 VA power with maximum voltage of 50 V and maximum current of 50 mA, while switches with gold contacts handle lower power of 0,5 VA with a maximum voltage of 50 V and maximum current of 10 mA. Both offer a contact resistance of less than 100 mOhm, bounce rating of under 3 ms, travel to make of 0,5 mm ±0,25 mm with a total travel of 1,5 mm. Silver contacts offer an operating temperature range of -40 to 85°C, while gold contacts cater for a temperature range of -40 to 125°C. Dielectric strength is 250 V d.c.
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