A22Z-R25 datasheet(24/30 Pages) OMRON

24 / 30 page

A22

Application

Mounting to the Panel

Panel Hole Dimensions

• Panel hole dimensions are given below.

• Recommended panel thickness: 1 to 5 mm.

• For 25-dia. holes, always use 25-dia. Rings. (Since the cutout

dimensions are large, IP65 cannot be guaranteed unless 25-dia.

Rings are used.)

• If outer surface treatment such as coating is performed for the

panel, the panel dimensions after outer surface treatment must

meet the specified panel dimensions.

Matrix Installation

1. The following panel hole dimensions

apply when Switch Unit and the

Standard-size Legend Plate Frame and

Lock Ring are mounted, and lead wires

are connected directly to the Switch

Block.

2. The following panel hole dimensions

apply when the Large-size Legend Plate Frame is mounted, and

when crimp terminals are connected to the Switch Block terminals.

For 1. above:

For 2. above:

Note: 1. The above dimensions are the minimum dimensions for when the wires

described under Applicable Wire Size on page 23 are used. If a

different wires are used, the wiring dimensions may be different so

determine an appropriate pitch before setup.

2. With pushbuttons of external dimensions greater than 30 mm, set the

pitch according to the dimensions. (When using matrix installation for

the A22-M

@, mount with a pitch of 40 mm instead of 30 mm in the

diagram above.)

Mounting the Operation Unit on the Panel

• Insert the Operation Unit (Pushbutton, etc.) from the front surface of the

panel, insert the Lock Ring and the mounting nut from the terminal side,

then tighten the nut. Before tightening, check that the rubber washer is

present between the Pushbutton Unit and the panel.

• When using a Legend Plate Frame, put one rubber washer each

between the Legend Plate Frame and the panel and between the

Operation Unit and the Legend Plate Frame. (One rubber washer

will be provided when one Legend Plate Frame is ordered.)

• Align the Lock Ring with the groove in the casing, then insert the

Lock Ring so that its edge is located on the panel side.

22.3

+0.4

+0.2

22.3

25 dia.

22 dia.

+0.4

+0.5

3.2

0.8R

max.

Not Using a Lock Ring

Using a Lock Ring

Switch Blocks

A22-10, A22-10S

A22-01, A22-01S

45 mm min.

A22-20, A22-20S, A22-02

A22-02S, A22-11, A22-11S

55 mm min.

Type of crimp terminal

Switch Blocks

Bare crimp terminals

A22-10, A22-10S

A22-01, A22-01S

51 mm min.

A22-20, A22-20S, A22-02

A22-02S, A22-11, A22-11S

61 mm min.

Crimp terminals with

insulating sheath

A22-10, A22-10S

A22-01, A22-01S

60 mm min.

A22-20, A22-20S, A22-02

A22-02S, A22-11, A22-11S

70 mm min.

Pitches A and B between the centers of the mounting holes are as follows:

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