digital variable-speed drive / vertical
SS300 series

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digital variable-speed drive digital variable-speed drive - SS300 series


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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.

They are available in single or dual switch point models and the switch point(s) are field adjustable. Models are available in self-contained enclosures and as PC-board design for inclusion in your control cabinet. All Murphy speed switches are designed to operate in harsh environments and have high electrical noise immunity.


* Models for overspeed, crank termination, or crank termination and overspeed solid state construction
* Compact design
* Field adjustable set points
* High noise immunity