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Square D 9007MA31 roller lever arm, cast zinc with sintered iron roller

SQUARE D BY SCHNEIDER ELECTRIC

SQUARE D BY SCHNEIDER ELECTRIC 9007MA31 Roller Lever Arm

SKU CH-245Y-XRRYM

Roller lever arm with 1.5 in length and .75 in roller diameter fits 9007AW limit switches

  • Standard roller actuator fits 9007AW switches
  • 5 in arm length provides reliable reach
  • 75 in roller diameter ensures smooth operation
  • Oil-impregnated sintered iron roller reduces wear
  • Cast zinc arm construction delivers industrial durability

Roller Lever Arm for Limit Switches

The Square D 9007MA31 is a cast zinc actuator arm designed for use with 9007AW and 9007C limit switches. It provides a standard roller lever mechanism for industrial control applications requiring reliable mechanical actuation. This component suits maintenance engineers and panel builders replacing worn arms on existing safety switch assemblies.

Actuation Geometry and Travel Limits

The arm measures 1.5 inches in length with a front-mounted roller positioned to engage cams or dog trips. Roller diameter is 0.75 inches and width is 0.63 inches, defining the contact surface and permissible lateral misalignment. Arm depth of 0.31 inches and a tapered width profile determine the sweep envelope and minimum spacing between adjacent switches.

Cast Zinc Construction and Mounting Fit

The arm body uses cast zinc for dimensional stability and corrosion resistance in industrial environments. The roller runs on oil-impregnated sintered iron, delivering self-lubricating operation that reduces wear on both the roller and the actuating cam. The arm mounts directly to the switch shaft, so day-to-day reliability depends on correct shaft alignment and secure clamping during installation.

Highlights

  • Standard roller actuator fits 9007AW switches
  • 5 in arm length provides reliable reach
  • 75 in roller diameter ensures smooth operation
  • Oil-impregnated sintered iron roller reduces wear
  • Cast zinc arm construction delivers industrial durability

Specifications

BrandSquare D By Schneider Electric

Questions about this item

Should I choose the 1.5 in arm or a different length for my 9007AW limit switch?

The 1.5 in arm length is the dimension supplied with this 9007MA31 roller lever; select it when your application requires that exact reach.

What does the 0.75 in roller diameter mean once the lever is mounted on the switch?

The 0.75 in roller diameter determines the contact profile and actuation force; it engages the target at that radius to trip the 9007AW switch reliably.

Does the cast zinc arm and oil impregnated sintered iron roller meet a specific industrial standard for the 9007 series?

The arm uses cast zinc with a tapered width and 0.31 in depth, while the 0.63 in wide roller uses oil impregnated sintered iron, built for the 9007AW and 9007C limit switches.

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