Omron A22K User manual

Key-type Selector Switch A22K G-107

Pushbutton

Switches

Key-type Selector Switch

A22K

Install in 22-dia. or 25-dia. Panel Cutout

• Easy mounting and removal of Switch Unit.

• Increase wiring efficiency with three-row mounting of Switch

Blocks.

• Finger protection mechanism on Switch Unit provided as a

standard feature.

• Use 25-dia. ring to install in 25-dia. panel cutouts.

• Mounted using either open-type (fork-type) or closed-type

(round-type) crimp terminals.

• IP65 oil resistance

• EN60947-5-1

• UL and cUL approved (File No. E41515).

Model Number Structure

■Model Number Legend

Completely Assembled

Shipped as a set which includes the Selector and Switch.

1 2

2ML

2AL

3ML

3MC

3AC

A22K-@-@

2 Contacts

Code Description

SPST-NO (See note.)

SPST-NC (See note.)

DPST-NO

DPST-NC

1 Number of Notches/Reset Method

Code Notches

2 notches Left

Left and right

Left

3 notches Manual Left

Left and right

Center

Automatic

Manual

Reset

method

Key release

position

SPST-NO + SPST-NC

Note: For models with 2 notches

Contact Rating is standard

load. (Refer to the Specification

section for the A22.)

G-108 Key-type Selector Switch A22K

Subassembled

The Selector, Lamp, or Switch can be ordered separately. Use them in combination for models that are not available as assembled Units. These

can also be used as inventory for maintenance parts.

1. Selector

2. Switch

Non-lighted

2ML

2AL

3ML

3MC

3AC

A22K-@

1 Number of Notches/Reset Method

Code Notches

2 notches Manual Left

Left and right

Left

3 notches Manual Left

Left and right

Center

Automatic

Reset

method

Key release

position

A22-@M

1 Contacts

Code Description

SPST-NO (2-notch models only)

SPST-NC (2-notch models only)

SPST-NO + SPST-NC

DPST-NO

DPST-NC

Key-type Selector Switch A22K G-109

Pushbutton

Switches

Ordering Information

■List of Models

Ordering as a Set

Note: Two Keys are provided.

Appearance Number of

notches Reset method Output Key release

position Model Color of

Selector

2 notches SPST-NO A22K-2ML-10 Black

A22K-2M-10

SPST-NC A22K-2ML-01

A22K-2M-01

SPST-NO +

SPST-NC

A22K-2ML-11

A22K-2M-11

DPST-NO A22K-2ML-20

A22K-2M-20

DPST-NC A22K-2ML-02

A22K-2M-02

SPST-NO A22K-2AL-10

SPST-NC A22K-2AL-01

SPST-NO +

SPST-NC

A22K-2AL-11

DPST-NO A22K-2AL-20

DPST-NC A22K-2AL-02

3 notches SPST-NO +

SPST-NC

A22K-3ML-11

A22K-3M-11

A22K-3MC-11

DPST-NO A22K-3ML-20

A22K-3M-20

A22K-3MC-20

DPST-NC A22K-3ML-02

A22K-3M-02

A22K-3MC-02

SPST-NO +

SPST-NC

A22K-3AC-11

DPST-NO A22K-3AC-20

DPST-NC A22K-3AC-02

Key-type Selector Switch

A22K

Manual

Automatic

Manual

Automatic

G-110 Key-type Selector Switch A22K

Ordering Individually

Selector

(Color: Only Black is available)

Note: Two keys are provided.

Switch

Note: DPST-NO + DPST-NC combination is also possible.

Accessories

Note: Two keys are provided.

Accessories

The A22K uses the same accessories as the A22. Refer to the relevant information in the corresponding section for the A22.

Selector Switch

Two Keys are provided.

Appearance Number of notches Reset method Key release position Model

2 notches A22K-2ML

A22K-2M

A22K-2AL

3 notches A22K-3ML

A22K-3M

A22K-3MC

A22K-3AC

Manual

Automatic

Manual

Automatic

Appearance Classification Model

Lighted Socket (without voltage-re-

duction circuit)

SPST-NO A22-10M

SPST-NC A22-01M

SPST-NO + SPST-NC A22-11M

DPST-NO A22-20M

DPST-NC A22-02M

Appearance Model

A22K-K

Key-type Selector Switch A22K G-111

Pushbutton

Switches

Specifications

With the exception of the following items, the specifications are the same as for the A22. Refer to the relevant information in the Specifications

section for the A22.

■Operation Angle

Note: 1. The angles in parentheses are for automatic-reset models.

2. FP: Free position

■Contacts

2-notch Type

3-notch Type

2 notches 3 notches

Knob position SPST-NO SPST-NC SPST-NO + SPST-NC DPST-NO DPST-NC

Knob position SPST-NO + SPST-NC DPST-NO DPST-NC

G-112 Key-type Selector Switch A22K

Nomenclature

Dimensions

Note: All units are in millimeters unless otherwise indicated.

■Key-type Selector Switch

■Accessories

The A22K uses the same accessories as the A22. Refer to the relevant information in the corresponding section for the A22.

■Terminal Arrangement (Bottom View)

•Number of Notches

2 notches/3 notches

•Key Release Position

Selector

Switch

•Contacts

Lock Fitting

2 notches

3 notches

Note: Two Keys are provided.

SPST-NO, SPST-NC, SPST-NO + SPST-NC,

DPST-NO, DPST-NC

Non-lighted (SPST-NO + SPST-NC)

A22K

30 dia.

Switch Blocks

M3.5 screw

Key-type Selector Switch A22K G-113

Pushbutton

Switches

■Terminal Connection

Note: The above terminal connection diagrams are examples for

SPST-NO + SPST-NC.

■Panel Cutouts (Top View)

Note: 1. When applying coating such as paint to the panel, the di-

mensions should be those after the application of coating.

Lock fitting is provided as a standard item.

2. Recommended panel thickness: 1 to 5 mm.

3. Use an A22Z-R25 Ring when mounting to a panel with 25-

mm holes.

Installation

The A22K uses the same installation method as the A22. Refer to the relevant information in the Installation section for the A22.

Precautions

The precautions for the A22K are the same as those for the A22. Refer to the relevant information in the Precautions section for the A22 and the

Technical Information for Pushbutton Switches (Cat. No. A143).

Type Terminal connection

Non-lighted Bottom view

22.3+0.4 dia.

025+0.5 dia.

G-114 Key-type Selector Switch A22K

In the interest of product improvement, specifications are subject to change without notice.

ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.

To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.

Cat. No. A130-E1-02

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