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Pushbutton Switch

 

A16

G-5

Push

bu

tto

n

Switch

es

Pushbutton Switch

A16

Mounting Aperture of 16 mm

• Modular construction 

(Push Case + Lamp + Switch)

• Wide Variety of Control and Signal Devices: Lighted, Non-Light-

ed, and Buzzer 

• UL and cUL approved.

• Conforms to EN60947-5-1, IEC947-5-1

• Quick and easy assembly, snap-in Switch.

• Wide range of switching capacity from standard to microload

• High reliability, IP65

• Short mounting depth, less than 28.5 mm below panel

Model Number Structure

Model Number Legend 

Completely Assembled

The model numbers used to order sets of Units are illustrated below. One set comprises the Pushbutton, Lamp (lighted models only), Case, and
Switch.

A 1 6   5 L - J R M - 24D - 2

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(1)   Degree of Protection

Symbol Protection

5 IP65 

oil-resistant

Unlit

Lit

White

Color

(4)   Color of Pushbutton

Symbol  

Color

R Red

Y Yellow

PY Pure 

yellow

G Green

W White

A Blue 

(3)   Shape of Pushbutton

Symbol    

Shape

J Rectangular 

2-way 

guard

A Square  2-way 

guard

T Round  Projecting 

model

3J Rectangular 

3-way 

guard

BA Square  24-mm 

square

(2)   Lighted/Non-lighted

Symbol

No symbol

(5)   Switch Operation

Symbol Operation

M Momentary

A Alternate

(7)   Contact Configuration

Symbol Type  Terminal

SPDT   

DPDT   

1P 

SPDT   

2P 

DPDT   

2S DPDT

(6)   Light Source

 

5 VAC/VDC 

6 VAC/VDC

12 

 

12 VAC/VDC 

14 VAC/VDC

24 

 

24 VAC/VDC 

28 VAC/VDC

5D  

 

±

5% VDC 

5 VDC

12D LED 

12 

±

5% VDC 

12 VDC

24D  

24 

±

5% VDC 

24 VDC

Non-lighted

Voltage Reduction Unit (24-V Built-in LED)

T1 

90 to 121 VAC/VDC 

110 VAC

T2 

180 to 242 VAC/VDC  220 VAC

LED

Symbol

Type

No symbol

Symbol

Type

Type

Non-lighted

L

Lighted

No symbol

IP40

B Black 

(non-lighted 

 

 models 

only)

"Colored-illumination" models 
operate in the way shown below:

The built-in LED 
is colored.

Momentary-action: Self-resetting
Alternate-action: Self-holding

Solder 
Terminal

PCB 
Terminal

Screw-Less 
Clamp

Only DPDT contacts are available 
with Screw-Less Clamp.

Operating 
voltage

Incandescent 
lamp

Operating voltage

Note:

  1.  Solder terminals are available only with 100-V  

  

models.

 

2.  The Voltage Reduction Unit is not available for  

 

 

models with PCB terminals.

Rated 
voltage

Rated 
voltage

Summary of Contents for A16 -

Page 1: ...A Square 2 way guard T Round Projecting model 3J Rectangular 3 way guard BA Square 24 mm square 2 Lighted Non lighted Symbol No symbol 5 Switch Operation Symbol Operation M Momentary A Alternate 7 Co...

Page 2: ...T Round A Square 3 Illumination Color for Non lighted Models R Red G Green Y Yellow W White A Blue B Black Illumination Color for Lighted Models LED Incandescent Lamp R Red Y Yellow PY Pure yellow W W...

Page 3: ...w LED W White LED A Blue LED RN Red Neon Lamp GN Green Neon Lamp 3 Case 1 Degree of Protection None IP40 5 IP65 Oil resistant 2 Flange Shape CJ Rectangular CT Round CA Square 3 Switch Action M Momenta...

Page 4: ...A16L J M 12D 2 A16L J A 12D 2 24 VDC A16L J M 24D 2 A16L J A 24D 2 Incandescent lamp 5 VDC VAC A16L J M 5 2 A16L J A 5 2 R red Y yellow PY pure yellow G green W white A blue B black See note 2 12 VDC...

Page 5: ...16L A M 5 2 A16L A A 5 2 R red Y yellow PY pure yellow G green W white A blue B black See note 2 12 VDC VAC A16L A M 12 2 A16L A A 12 2 24 VDC VAC A16L A M 24 2 A16L A A 24 2 Non lighted A16 A M 2 A16...

Page 6: ...16L T A 5 2 R red Y yellow PY pure yellow G green W white A blue B black See note 2 12 VDC VAC A16L T M 12 2 A16L T A 12 2 24 VDC VAC A16L T M 24 2 A16L T A 24 2 Non lighted A16 T M 2 A16 T A 2 Output...

Page 7: ...Self holding Pushbutton color symbol See note 1 SPDT LED with built in re duced voltage lighting function 100 110 VAC VDC A165L M T1 1 A165L A T1 1 R red Y yellow PY pure yellow G green W white A blu...

Page 8: ...ate operation Self holding Pushbutton color symbol See note 1 SPDT LED 5 VDC A165L BA M 5D 1 A165L BA A 5D 1 R red Y yellow PY pure yellow G green W white A blue B black See note 2 LED 12 VDC A165L BA...

Page 9: ...ndividual Units Also store the parts as spares for maintenance and repairs Lamp Lighted Models Non lighted Models Case Socket LED Solder terminals no transformer Lighted non lighted Pushbutton Rectang...

Page 10: ...APY A165L TPY Green A16L JG A16L AG A16L TG A165L JG A165L AG A165L TG White A16L JW A16L AW A16L TW A165L JW A165L AW A165L TW Blue A16L JA A16L AA A16L TA A165L JA A165L AA A165L TA Rectangular Squ...

Page 11: ...A16 1P DPDT A16 2P DPDT Screw Less Clamp A16 2S Appearance Classification Model 100 V Standard load microload common use SPDT Solder terminal A16 T1 1 DPDT A16 T1 2 100 V DPDT Screw less clamp A16 T1...

Page 12: ...d A165 C3JM Square A165 CAM Round A165 CTM Alternate operation Rectangular 2 way guard A165 CJA Rectangular 3 way guard A165 C3JA Square A165 CAA Round A165 CTA Name Appearance Classification Model Re...

Page 13: ...matches the lu minescent color of the LED The materials used for the IP40 and oil resistant IP65 are different so be sure to use a Color Cap that matches the specifications of the Switch Red A16Z 500...

Page 14: ...age 6 VAC VDC 60 mA 5 VAC VDC 14 VAC VDC 40 mA 12 VAC VDC 28 VAC VDC 24 mA 24 VAC VDC Item Pushbutton Switch Allowable operating fre quency Mechanical Momentary operation 120 operations minute max See...

Page 15: ...and tensile strength Twisted wire 0 3 mm2 0 5 mm2 0 75 mm2 1 25 mm2 Solid wire 0 5 mm dia 0 8 mm dia 1 0 mm dia Tensile strength 10 N 20 N 30 N 40 N Length of exposed wire 10 1 mm Type Features Pushb...

Page 16: ...hite blue black Lamp Terminal Type Solder terminals tab terminals 110 PCB terminals Screw Less Clamp Pushbutton Cap Legend plate Dispersion plate Reflective plunger Switch Switch Ratings 5 A at 125 VA...

Page 17: ...s See page 25 for panel cutouts Lamp terminal Mounting nut Lock ring Lamp terminals 24 min 19 min 16 dia 0 2 0 Solder terminals tab terminals 110 Panel Cutouts See page 25 for panel cutouts 19 min 19...

Page 18: ...Solder terminals tab terminals 110 Panel Cutouts See page 25 for panel cutouts 19 min 19 min Lamp terminals Lamp terminals Mounting nut Lock ring 16 dia 0 2 0 18 dia 15 1 dia Round A16 T Packing t0 5...

Page 19: ...ection indication arrow Panel Cutouts See page 25 for panel cutouts 25 min 16 dia 0 2 0 Recommended panel thickness 0 5 to 3 2 mm Switch dismounting lever Lock ring Mounting ring Panel Cutouts See pag...

Page 20: ...S 24DS Incandescent Lamp A16 5 12 24 Extractor A3PJ 5080 A16ZJ 520 A16ZA 520 A16ZT 520 IP40 IP40 IP65 IP65 Legend Plates Note 1 The panel is 0 6 mm thick 12 9 dia 13 4 dia Color Materials Polycarbonat...

Page 21: ...s Black Resin Select the Plug that fits the panel design and mount from the front of the Panel Panel cutouts are the same as those for Switches Square Round Rectangular 12 x 12 17 9 0 1 17 9 0 1 2 t 1...

Page 22: ...case where 4 5 mm is provided for the distance x If no clearance is required for the x section the vertical mounting dimension can be as small as 24 mm Set this distance according to operating conditi...

Page 23: ...ZJ 5060 Square A16ZA 5060 Panel Cutouts Panel Cutouts Round A16ZT 5050 Panel Cutouts 16 dia 0 2 0 31 min 25 min Cover A transparent Cover B black 16 dia 0 2 0 25 min 25 min Cover A transparent Cover B...

Page 24: ...The L is not shown on the Switch Dimensions of Terminal Holes Terminal Arrangement Bottom View Note The L is not shown on the Switch Lamp terminal t 0 5 Side with TOP indicated Five 1 dia Two 5 dia L...

Page 25: ...ween the centers of neighboring mounting holes is less than 0 1 mm 2 Make sure the thickness of the mounting panel is between 0 5 and 3 2 mm If however a Switch Guard or Dust Cover is used the thick n...

Page 26: ...the NC terminal side of the Switch Unit in the way shown below and push the Switch Unit into the Case until it clicks into place Confirm that the Switch Unit is securely in place before using Mountin...

Page 27: ...ctor 2 To attach the Pushbutton push until it clicks into place Removing the Lamp Removing from the Pushbutton End Removing from the Switch End The Lamp can be removed by hand once the Switch is remov...

Page 28: ...B by pressing in different directions 6 Mount the Switch Unit to the Case Note Recommended panel thickness 0 5 to 2 mm Mounting the A16Z Switch Guard 1 Insert the Case into the Switch Guard 2 Mount t...

Page 29: ...the wire into the insertion hole while pressing the release button at the side of the hole Using a precision screwdriver is recommended 4 Let go of the release button to lock the wire into place 5 Aft...

Page 30: ...ge the Switches causing scratches on the outside of the operating parts and malfunction When handling the Switches do not throw or drop them Hammer Screwdriver Do not allow the Switch to drop and hit...

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