Enclosure MaterialFeraloy iron alloy or copper-free aluminum
DescriptionSingle end left; single end right; double end
Loop MaterialBronze or copper-free aluminum
Electrical Ratings15A, 600 VAC max.
Total Operating Force Required25 or 50 lbs.
Maximum Weight of Unsupported Line or Cable without Actuating Switch15 or 25 lbs.
Indicating Arm MaterialSteel
AFU Conveyor Belt Switches are used:
To provide instant digital monitoring capability to identify emergency situations during conveyor operations
As emergency or normal "STOP" switch for conveyor lines, cranes, unloaders, and bulk handling systems
In steel mills, mining, ore and coal handling operations, automotive and assembly lines, warehouses and loading docks
In the control circuit of magnetic motor starters to shut down motor-driven conveyors or other machinery when switch is actuated
FEATURES
Furnished with one or two end units, each containing 2-NO and 2-NC contact arrangements
Precision switches provide maintained contact (switches have a snap action mechanism)
Multiple conduit hubs (AFU: two 1"); cast mounting lugs on 1-1/2" centers permit attachment to the web of a standard 3" angle iron
In installation, the actuating line or cable is connected from a fixed point to the loop on the end unit; a pull on the line of the required operating force and with a total movement of 1/2" actuates the plunger, opens the switch and trips the red painted indicating arm forward, which locks the plunger in the actuated (switch open) position; returning the indicating arm to its normal position resets the mechanism; a typical installation would include single end switch units at each end of the conveyor with double end switch units between
Depending on the size and length of line, supports at properly spaced intervals may be necessary to ensure that the line or cable weight alone will not actuate switch
Provides instant digital monitoring capability to identify emergency situations during conveyor operations
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