These vibration switches are electro-mechanical device designed to protect equipment from damaging shock or vibration. This sensitive mechanism can detect excessive shock or vibration and shut down the equipment before further damage occurs.
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Murphy Vibration, Time, and Overspeed
Murphy Time Switches can automatically start or stop engines or electrical motors after a predetermined time. These time switches can be wired for an open or closed circuit when time expires. They require no electrical current to operate and have an SPDT contact arrangement.
The TM Series hour-meters record the operating time of vehicles or powered equipment. They are electromechanical and have a quartz base time counter that ensures accuracy. They can record up to 99,999.9 hours and include an automatic recycle to zero hours feature.
Murphy Electronic Speed Switches are available in various configurations to cover a wide variety of applications. These compact devices receive their input signal from various sources depending upon the particular speed switch model and application.
Murphy offers high accuracy and dependable digital tachometers resulting from use of a quartz crystal time-base and digital, solid-state electronics.