Control_Flippingbook_July 2024

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ELECTRONIC RELAYS AND CONTROLS, CONTROL SECTION 8

— Limit switches Overview

Actuators and movements to be detected Actuator type Symbol

Actuator number

Comments*

10 11 21

Plungers

Plastic or metal plunger

Plastic or metal roller Roller or ball at the tip

12 13 14 15 22 24

Roller plungers

31 32

Roller levers + plunger

or

For horizontal or vertical movement

Plastic, metal or rubber roller Different roller diameters Different lever sizes and shape Plastic, metal or rubber roller Different roller diameters Metal, fiber glass or nylon rod Different rod diameters

41 42 45 46

Roller levers

51 52

Adjustable roller levers

71 72

Rod Levers

91 92

Spring rod levers

or

Plain or insulated spring tip

* NOTE: a same number can be a slightly different actuator from one range to the other. For accurate description of the actuator, please refer to the ordering details pages. Ex: actuator n°13 is a plastic roller plunger for LS20 and LS30 but a metal roller plunger for LS40 ranges.

This represents an overview of ABBʼs limit switches offering. Please reference the Limit Switches catalog for the complete portfolio.