Speedetex® MSS Mechanical Speed Switches On TORQ Corporation

Protect Your Equipment with TORQ Speed Switch Underspeed and Overspeed Models

The TORQ Speedetex® MSS Mechanical Speed Switch is used in bulk material handling/processing systems to monitor speeds of belt conveyors, screw conveyors, bucket elevators, rotary feeder shafts, rotating drums and other types of rotating machinery to protect elevators, feeders and conveyors from speed related damage resulting from broken belts, overloads, or belt slippages.

The MSS mechanical speed switch activates at an RPM specified by the user. Each unit is designed with a spring and weight combination to detect either underspeed or overspeed. Output is a hard contact closure - SPNO, SPNC, or SPDT as specified by the user.

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Input Power	Output Power	Speed Ranges	Bearing Life	Set-point Accuracy	Set-point Hysteresis	Operating Temperature Range	Shaft Torque Required	Maximum Continuous Running Speed	Direction of Rotation	Maximum Radial Load	Case Construction	Speed Switch Applications	Important Note

N/A No input power required	N/A 10.0 amps contact rating @ 240 VAC	N/A 600 to 3000 RPM Factory Set Underspeed or Overspeed	N/A 10000 hr. @ 5000 RPM (lower with radial side load)	N/A ±7 %	N/A 25 to 60 %	N/A -20 to 200 ºF-29 to 93 ºC	N/A 4 oz/in0.0029 kg/m	N/A 170 % of set-point - Continuous (Underspeed Model) 170 % of set-point - Momentary (Overspeed Model)	N/A Either - No Effect	N/A 50 lbs22.7 kg	N/A NEMA 4	N/A Bucket Elevators Bulk material handling Chemical processing Conveyor systems (all types) Food processing Foundries Mining Equipment OEM applications Paper Manufacturing Power Plants Rotary Airlocks Saw Mills Steel Mills Special machinery	N/A Custom Modifications available such as speed range, special shaft machining, finishes, supply voltage, 1/60 turn response, or C face flange mount, etc.

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