SQUARE D
SQUARE D limit switch lever arm 3.38in roller arm
Actuates limit switches with a 3.38in zinc arm and 0.75in steel roller, compatible with 9007MS models
- Precise actuation with standard roller design
- Compatible with 9007MS limit switch models
- Durable zinc arm with steel roller
- 38 in arm length for extended reach
- Secure offset roller positioning for reliable operation
Compatible limit-switch lever arm
This zinc lever arm fits Telemecanique Sensors 9007MS limit switches and provides a standard roller actuator for position sensing. The 1.63 in arm length places the roller at a 3.38 in radius from the switch shaft. An outside-offset roller position suits cam or dog actuation from one side. Builders integrating safety interlocks or end-of-travel detection on conveyors and packaging equipment will find the dimensions match the OEM specification.
Roller material and offset change actuation feel
A 0.75 in diameter steel roller, 0.25 in wide, reduces friction and wear compared with plastic alternatives. The outside offset moves the contact point away from the switch body, giving clearer clearance for mounting brackets. Zinc arm construction resists corrosion in humid or wash-down environments. The combination delivers repeatable trip points without the play that softer rollers introduce over time.
Zinc arm with 0.62 in width and 0.38 in depth
The arm cross-section of 0.62 in by 0.38 in provides rigidity while fitting standard switch mounting patterns. A single bolt secures the arm to the 9007MS shaft, simplifying replacement during scheduled maintenance. Steel roller pins withstand side loads from misaligned cams. The compact profile allows installation inside tight machine frames where larger actuators would interfere with adjacent components.
Highlights
- Precise actuation with standard roller design
- Compatible with 9007MS limit switch models
- Durable zinc arm with steel roller
- 38 in arm length for extended reach
- Secure offset roller positioning for reliable operation
Specifications
| Brand | TELEMECANIQUE SENSORS |
|---|
Questions about this item
How often should the zinc lever arm or steel roller be inspected for wear?
Inspect the zinc arm and .75 in steel roller during routine maintenance; replace if the .25 in roller width shows flattening or the arm develops cracks.
What mechanical limit is reached first during continuous actuation cycles?
The 1.63 in arm length and outside-offset roller position define the travel envelope; exceeding the designed over-travel will stress the lever first.
Does the arm generate noticeable heat or noise when cycled continuously all day?
The lever arm itself produces no heat or noise; any sound or temperature rise comes from the switch body it actuates.
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