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Allen Bradley 43GR-TBB25SL Limit Switch, Top Roller Plunger

Allen Bradley 43GR-TBB25SL limit switch with top roller plunger.

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ManufacturerAllen Bradley

Part number43GR-TBB25SL

Actuator Type Top Roller Plunger

Mounting 25mm Thread

Contacts SPDT (1NO, 1NC)

Enclosure Metal

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Top roller plunger 25mm threaded mounting SPDT contacts Durable metal construction Reliable position sensing

Product description

The Allen Bradley 43GR-TBB25SL is a heavy-duty limit switch featuring a top roller plunger actuator and a 25mm threaded mounting body. It offers a single-pole, double-throw (SPDT) contact arrangement for flexible industrial control applications.

This switch is designed for applications requiring reliable actuation from the top, such as detecting the movement of linear actuators or camming mechanisms. It is widely used in material handling, packaging machinery, and heavy industrial equipment.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, is your source for the Allen Bradley 43GR-TBB25SL. We provide high-quality, tested components to ensure operational continuity.

Technical specifications

Actuator Type	Top Roller Plunger
Mounting	25mm Thread
Contacts	SPDT (1NO, 1NC)
Enclosure	Metal
Temperature	-25 to 70°C

Common applications

Linear Actuator Sensing

Cam Mechanisms

Material Handling

Packaging Machinery

Heavy Industrial Equipment

Compatible systems

Allen Bradley Control Systems Industrial Machinery Automation Panels

Also known as

43GR-TBB25SL Switch Allen Bradley Roller Limit Switch Bulletin 43GR TBB

Replaces / compatible with

This limit switch serves as a robust replacement for standard 25mm threaded limit switches with top roller plunger actuators in demanding industrial environments.

Technical note

Expert tip

The roller plunger offers a degree of side-play tolerance, making it suitable for applications where the actuating object may not approach the switch face with perfect perpendicularity.

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Frequently asked questions

What is the function of the roller plunger on the Allen Bradley 43GR-TBB25SL limit switch?

The roller plunger on the Allen Bradley 43GR-TBB25SL limit switch is designed to provide a lower actuation force and guide the actuator smoothly when it encounters moving parts. The roller reduces friction and wear, making it ideal for repetitive actuation cycles.