Product Category

Switches

Push Buttons / Indicator Lamps

φ22(φ25) Type

A22NK

A22NN / A22NL

A22NS / A22NW

M22N

A22

A22[]

M22

Pushbutton Switch (Cylindrical 22/25-dia.)

A22

Install in 22-dia. or 25-dia. Panel Cutout (When Using a Ring)

Line Up
Specification

Approved Standard Ratings

UL, cUL (File No. E41515)

6 A at 220 VAC, 10 A at 110 VAC
 Note: Only Switch Blocks and Lamp Sockets are recognized by UL.
          Refer to Data Sheet for the model numbers.

EN60947-5-1 (Low Voltage Directive)

3 A at 220 VAC 

CCC (GB/T14048.5)

3 A at 240 VAC, 1.5 A at 24 VDC 

Ratings

Contacts (Standard Load)

Contacts
 (Standard Load)

Rated voltage

Rated current (A)

Inductive load

Resistive load

Inductive load

Resistive load

10A

24 VAC

10

10

---

---

110 VAC

5

10

220 VAC

3

6

380 VAC

2

3

440 VAC

1

2

24 VDC

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1.5

10

110 VDC

0.5

2

220 VDC

0.2

0.6

380 VDC

0.1

0.2

Note: 1. The above ratings were obtained by conducting tests under the following conditions.
               (1) Ambient temperature: 20±2°C
               (2) Ambient humidity: 65±5% RH
               (3) Operating frequency: 20 operations/minute
           2. Minimum applicable load: 10 mA at 5 VDC

Contacts (Microload)

Rated applicable load

100 mA at 30 VDC (Resistive load)

Minimum applicable load

1 mA at 5 VDC

LED Indicators

Rated voltage

Rated current

Operating voltage

6 VAC/VDC

8 mA

6 VAC/VDC ± 5%

12 VAC/VDC

12 VAC/VDC ± 5%

24 VAC/VDC

24 VAC/VDC ± 5%

Voltage-reduction Lighting

Rated voltage

Rated current

Operating voltage

Applicable lamp (BA9S/Base: 13)

110 VAC

8 mA

100 VAC (95 to 115 V)

LED Lamp (A22-24A[])

220 VAC

200 VAC (190 to 230 V)

Characteristics

Type

Pushbutton Switches

Knob-type Selector
 Switches

Key-type
 Selector
 Switch

Indicator

Non-lighted
 models:
 A22-H A22-S
 A22-C A22-D

Lighted
 models:
 A22L-H
 A22L-C
 A22L-D

Non-lighted
 model:
 A22S

Lighted
 model:
 A22W

Non-lighted
 model:
 A22K

M22

Allowable
 operating
 frequency

Mechanical

Momentary operation:
 60 operations/minute max.

Manual reset: 30 operations/minute max.
 Automatic reset: 30 operations/minute max.

---

Electrical

30 operations/minute max.

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Insulation resistance

100 MΩ min. (at 500 VDC)

Contact
 resistance

Standard load

100 mΩ max. (initial value)

Microload

100 mΩ max. (initial value)

Dielectric
 strength

Between
 terminals of
 same polarity

2,500VAC, 50/60Hz for 1min

Between each
 terminal and
 ground

2,500VAC, 50/60Hz for 1min

Vibration
 resistance

Malfunction
 *1

Malfunction *2: 10 to 55 Hz, 1.5-mm double amplitude

Shock
 resistance

Destruction

1,000 m/s2
 max.

1,000 m/s2
 max.

1,000 m/s2
 max.

1,000 m/s2
 max.

1,000 m/s2
 max.

1,000
m/s2 max.

Malfunction
 *1

1,000 m/s2
 max.

600 m/s2
 max.

1,000 m/s2
 max.

600 m/s2
 max.

1000 m/s2
 max.

600 m/s2
 max.

Durability

Mechanical

Momentary operation:
 5,000,000 operations min.

500,000
 operations
 min.

100,000
 operations
 min.

500,000
 operations
 min.

---

Electrical

500,000 operations min.

500,000
 operations
 min.

100,000
 operations
 min.

500,000
 operations
 min.

---

Ambient operating
 temperature *2

-20 °C
 to 70 °C

-20 °C
 to 55 °C

-20 °C
 to 70 °C

-20 °C
 to 55 °C

-20 °C
 to 70 °C

-20 °C
 to 55 °C

Ambient operating
 humidity

35% to 85% RH

Ambient storage
 temperature *2

-40 °C to 70 °C

Degree of protection *3

IP65
 (oil-resistant)

IP65

IP65
 (oil-resistant)

IP65

IP65
 (oil-resistant)

IP65

Electric shock protection
 class

Class II

PTI
 (tracking characteristic)

175

Degree of contamination

3 (IEC947-5-1)

Operating Characteristics (for SPST-NO/SPST-NC)

Type

Pushbutton Switches

Knob-type Selector

Key-type Selector Switch

Lighted Nonlighted
 Pushbutton Switches

Manual
 reset

Automatic reset

Manual
 reset

Automatic reset

A22-H A22-C
 A22-D A22-S
 A22L-H A22L-C
 A22L-D

A22S
 A22W

A22K

Total travel force
 (TTF) max.

29.4 N

0.34 Nm*

0.25 Nm for two
 notches *
 0.34 Nm for three
 notches *

0.34 Nm*

0.25 Nm for two
 notches *
 0.34 Nm for three
 notches *

Total travel (TT)

5.5 mm max.

Approx. 90 ° for two notches
 (Approx. 45 ° for three notches)

Approx. 90 ° for two notches
 (Approx. 45 ° for three notches)

Resetting force
 (RF) min.

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0.34 Nm
 max. *

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0.34 Nm
 max. *

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