Control_Flippingbook_July 2024

ELECTRONIC RELAYS AND CONTROLS, CONTROL SECTION 8

8-48

— Limit switches Overview

P Plastic

Double insulation

IP67

LS 2 -

30 mm width

M Metal

Actuators and movements to be detected

11 12 13 14 15 21 22 24 41

42 45 46 51 54 71 91 92

LS 3 -

30 mm width

IP66

M Metal

LS 4 -

40 mm width

Actuators and movements to be detected

11 12 13 31 32 41 42

51 52 71 72 91 92

LS 3 -

30 mm width

IP65

P Plastic

Double insulation

LS 4 -

40 mm width

Actuators and movements to be detected

10 11 12 13 31 32 41

42 51 52 71 72 91 92

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

Ingress Protection

First digit solids protection

Second digit liquids protection

The degree of protection required for electrical equipment depends on the environmental characteristics.

A Class II or double insulated electrical appliance does not require a safety connection to electrical earth (ground). Double insulation

IP

6

5

Dust Tight

Low pressure water jet

6 Powerful water jets 7

Temporary immersion (up to 1 m)