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M4 series - compact heavy duty limit switch


Moujen’s M4 switch is slim and compact with side mountable design for tight space installations. The switch enclosure is a durable aluminum alloy material. The enclosure is rated for IP67 of protection, providing better dust, water, and oil resistances.

The contacts are designed with positive opening functionality. The M4 series products uses 99.9% silver contacts; ensuring great electrical signals nonstop.

M4 series products have inside them oil-impregnated bronze bushings. This increases the actuator’s function and life-span dramatically.

The pre-cabled M4 products uses VCTF or SJTO class, size 18AWG cables. Additionally, M4 has variants that are without cabling. These are the M12 sized quick connect types. Available in AC or DC versions.

The M4 has a wide range of actuator types and materials for choosing. Please refer to the nomenclature for more details.

M4 complies with CE, CSA, and RoHS.



​ Features 

  • Suitable for heavy force applications, in small to large sized systems.

  • Slim & Compact side mount body design for tight space installations.

  • Avg. size 75.5 x 29 x 16mm

  • Form C, SPDT switch.

  • CE, CSA, and RoHS.

  • Wide range of actuator types.

  • Heavy duty aluminum alloy and IP67 complete sealed body

  • 99.9% silver contacts.

  • Positive opening switch.

  • Oil-impregnated bronze bushings

  • AC or DC M12 quick connect types

  • VCTF or SJTO (18AWG) pre-cabled types.

quick connect.bmp



Roll up Doors, Gates, Elevators, Security Door

  • Detecting the state(s) of the cover(s) ; and respond with an action


Flap Doors, Conveyor Belts, Industrial Printing

  • Counting quantity passthrough; and respond with an action


CNC machines, 3D printers, Lifts, Packaging Machines, Elevators, Indoor Car Park, Lathes, Milling Tools, Compressors, Press Machines, Compactors, Mold Injection Machines

  • Limiting component travel distance; and respond with an action








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