only 35mm depth behind panel with built-in resistor

WH Lighted Pushbutton Switch WH

SPECIFICATIONS

OPERATING CHARACTERISTICS

Only 35mm depth behind panel with built-in resistor

Contact

Electrical Rating

Insulation Resistance

Dielectric Strength

Silver Contact

Contact Resistance

Mechanical Life

Electrical Life

Ambient Temperature

Ambient Humidity

More than 100M� at 500V DC

1000V AC RMS between NC and NO terminal2000V AC RMS between terminals and ground50/60Hz for 60sec. At normal ambient temperature and humidity

600V AC RMS between NC and NO terminal2000V AC RMS between terminals and ground50/60Hz for 60sec. At normal ambient temperature and humidity

Less than 30m� (Initial)at DC6V 1A

Momentary Action : more then 1,000,000 operations Alternate Action : more than 200,000 operations

W/E Alloy #1 Cross-bar Contact

AC125V, 250V 5A (Resistive) AC125V 0.1A, DC30V 0.1A(Resistive)

R

More than 100,000 operations at max. rated loadMore than 50,000 operations at max. rated load

Operating Force (max.) 8.33N Total Travel (max.) 3.2mm

C

NO

NC

Switch Connection

Less than 50m� (Initial)at DC6V 1A

LED

Reliable Push-Feeling and valiable illuminationFull-Face, Split-Face(2, 3, 4).

Depth behind panel : Only 35mmLED Full-Face, Split-Face(2, 3, 4) Illumination available.Built-in resistor for 5V, 12V, 24V use.Light Cartridge is removable from front panel.Button Size: 19mm square type, 19�26mm rectangular type, 25� round type available.Precision-snap action switch movement with coil spring assures long life and outstanding tactile feedback. Silver Contact(Gold-Plated) and W/E Alloy #1 Cross-bar Contact provided.Accessories: Barriers, Guard Cover, Dust-Proof Cover, etc.

FEATURES

�15�C to �50�C

80% RH (max.)

WHSTRUCTURE

DIMENSIONS

BUTTON (Clear)

22 23

25

19

23

25

19

32

26

Top View

42.5 35

3.5

2.5

0.5

0.5

2.8

42.5 35

3.5

2.5

Sunmulon Mark

Sunmulon Mark

30

Top View2.8

COLOR FILTER

LEGEND PLATE (Clear)

CARTRIDGE BASE (LED mounted)

LED Illumination

HOUSING

LIGHT CARTRIDGE

19m

m S

qu

are

Bu

tto

n19

�26

mm

Rec

tan

gu

lar

Bu

tto

n

Tolerance : �0.4mm

WHDIMENSIONS

INTERNAL CONNECTION ARRANGEMENTS

23 28.522

�32�25

Top View

42.5 35

11.5

3.5

2.5

0.5 2.8

SunmulonMark

Full Face

Full Face

Split Face

2-Split, Vertical 2-Split, Horizontal

3-Split, Vertical 3-Split, Horizontal 4-Split

L2

L3

L2

L1L4

L3

L2

L4

L3

L2

L1

L3 L3

L4

L1

L2

L1

L2

BOTTOM VIEW TOP VIEW

LED ILLUMINATION

�25

mm

Rou

nd B

utto

n

LC�

LC�LC�LC�

LC�LC�


L2

L1 LC＋

L2

L1 LC＋

L2

L1

LC＋

L2

L1

LC＋

BOTTOM VIEW TOP VIEW L2

L1

LC＋

L2

L1 LC＋

Squa

reR

ecta

ngul

ar5V

5V12

V24

V

WHINTERNAL CONNECTION ARRANGEMENTS

Full Face 2-Split, Vertical 2-Split, Horizontal


L2

L3

L2

L1L4

L3

L2

L4

L3 L3

L2

L1

L3

L4

L1

L2

L4

L3

BOTTOM VIEW

BOTTOM VIEW

TOP VIEW

TOP VIEW

Full Face 2-Split, Vertical 2-Split, Horizontal


L2

L3

L2

L1L4

L3

L2

L4

L3 L3

L2

L1

L3

L4

L1

L2

L4

L3

Full Face 2-Split, Horizontal 3-Split, Vertical

3-Split, Horizontal 4-Split

TOP VIEWBOTTOM VIEW

L1 L2

L4 L3

L2

L3

L2

L1

L4

L3

L2

L4L3

L2

L1

L4

LED ILLUMINATION

LC�

LC�

LC� LC�

LC�

LC�

LC�

LC� LC�

LC�

LC�LC�

LC�

LC�

LC� LC�

Ro

un

dR

ecta

ng

ula

r

5V12

V24

V

WHINTERNAL CONNECTION ARRANGEMENTS





LED ILLUMINATION

TOP VIEWBOTTOM VIEW

L1 L2

L4 L3

L2

L3

L2

L1

L4

L3

L2

L4L3

L2

L1

L4

L2

L3

TOP VIEWBOTTOM VIEW

L1 L2

L4 L3

L2

L1

L4

L3

L2

L4L3

L2

L1

L4

Ro

un

d LC� LC�

LC� LC�

LC�

12V

24V

LC�

LC�

LC�

LC�LC�

WH

LED DATA

TERMINALS

STDP DTDP TTDP INDICATOR

TERMINALS LAYOUT

BOTTOM VIEW

NO

NC C

L1 L2

L4 L3

L1 L2

L4 L3

NO

NC C

L1 L2

L4 L3

NO

NC C

BOTTOM VIEW

NO

NC

C

L1

L2

L4

L3

NO NO

NC NC

C C

L1

L2

L4

L3

NONO NO

NC NC NC

C C C

L1

L2

L4

L3

L1

L2

L4

L3

L1

L2

NO

NC

C

NO

NC

C

BOTTOM VIEW

L1

L2

NO

NC

C

L1

L2

L3L4

L2L1

CC

NC

NO

NC

NO

#110 TAB-Soldering Terminal

SunmulonMark

8.15

1.65

6.5

5.1 86.6 5.950.37

6.7 6.7

26

18.3

18.3

6.68.15

6.51.

65

8.15

6.51.

658 8

0.5

5.7

8

TERMINALS DIMENSIONS (BOTTOM VIEW) TERMINAL SHAPE

C C

NO NO

NC NCL1

L2

L1

L2L3

L4

C2C3 C1

NO2NO3NC1NC2NC3NO1

2.8

1.2

5.9

2.5 7.

5

SunmulonMark

SunmulonMark

Sq

uar

eR

ecta

ng

ula

rR

ou

nd

Square Rectangular Round

LC� LC�

LC�

LC�

LC�

LC�LC�

LC�

LC�

LC� LC�

LC� LC�


1

8

16

12

8

16

12

4

8

6

1

16

32

24

8

16

12

4

8

6

1

16

32

24

8

16

12

4

8

6

1

4

8

6

4

8

6

4

8

6

2

4

8

6

4

8

6

4

8

6

1

8

16

12

8

16

12

8

16

12

2

8

16

12

8

16

12

8

16

12

1

8

16

12

4

8

6

4

8

6

1

8

16

12

8

16

12

8

16

12

2

8

16

12

4

8

6

4

8

6

2

4

8

6

4

8

6

4

8

6

3

4

8

6

4

8

6

4

8

6

1

4

8

6

4

8

6

4

8

6

1

4

8

6

4

8

6

4

8

6

2

4

8

6

4

8

6

4

8

6

3

4

8

6

4

8

6

4

8

6

4

4

8

6

4

8

6

4

8

6

2

4

8

6

4

8

6

4

8

6

3

8

16

12

8

16

12

8

16

12

Red

Green

Yellow

Red

Green

Yellow

Red

Green

Yellow

5V

12V

24V

Voltage Color

Type Full Face 2-split Face 3-split Face 4-split Face

Current Rating (mA)

31 2

321 1 2

3 42143

13

1 23

2122

121

211 1 1

LED RATINGS

WHPANEL LAYOUT / PANEL CUT DIMENSIONS

23.3�25(n�1)

32

30.3

25

32

25

25

25n

32

32n

30.3�32(n�1)

23.3

n : number of switches

22.3�25(n�1)

25

23.3

25

25

27

27

25n�0.5

32.4

32.4�26.2(n�1)�1

28.1�26.2(n�1)

23.3

Panel Layout Panel Cut Dimensions


Panel Thickness 1mm~5mm19mm Square Button Type

Vertical Serial Mounting is impossible for 19mm Square Button type.

0.15

0.1

0.15

0.1

0.150.1

�0.5

�0.5

�0.15�0.1

�0.15�0.1

�0.15�0.1

�0.

15�

0.1

�0.

15�

0.1


Wit

ho

ut

Bar

rier

s W

ith

ou

t B

arri

ers

Ind

epen

den

t S

eria

l In

depe

nden

t (Ve

rtica

l) In

depe

nden

t (Ho

rizon

tal)

Seria

l (Ve

rtic

al)

Seria

l (H

oriz

onta

l)In

dep

end

ent

Ser

ial

Wit

h B

arri

ers

19�26mm Rectangular Button

WH

more than 3mm

Square Square, with barriers Rectangular Rectangular, with barriers

more than 6mm2

mor

e th

an 6

mm

mor

e th

an 6

mm

more than 3mm more than 6mm2

mor

e th

an 6

mm

mor

e th

an 6

mm

In caseof Vertical Serial Mounting, please add suffix no. 011 after the order code.



28.1�26.2(n�1)

34

30.3

32.4

34

27

27

39.4

39.4�33.2(n�1)�1

32.4�26.2(n�1)�1

35.1�33.2(n�1)

23.3

�29

min.32 min.32min.32 min.32

min

.32

min

.32

R3.2

R15

Sunmulon Mark

Panel Thickness 1mm~5mm

Panel Thickness 1mm~5mm

Wit

h B

arri

ers

n : number of switches

�0.2�0

�0.2�0

Inde

pend

ent (

Verti

cal)

Seria

l (Ve

rtic

al)

Inde

pend

ent (

Horiz

onta

l)Se

rial (

Hor

izon

tal)

19�26mm Rectangular Button Type

In case of block mounting, leave space between arrays as a figure.

�25mm Round Button Type

�0.15�0.1

�0.15�0.1

�0.

15�

0.1

�0.

15�

0.1


PANEL LAYOUT / PANEL CUT DIMENSIONS

WHACCESSORIES

In case of Oil&Water-Proof cover(IP63), plase also use gum packing sheet.(please see next page)

5.3

31.831.8

5.3

31.838.8

BARRIERS (Square/Rect.)

In case of mounting switches in series, Barriers can be used to prevent inadvertent pushing neighbor switch.

Guard Cover prevents inadvertent and unintentional operations. It is impossible to use with Barriers.

GUARD COVER (Square/Rect.)

Dust-Proof Cover (Square/Rect.)

Center Side

Center Side

Black

Gray

Black

Gray

Center Barrier

WH-0738-K

WH-0738-G

Side Barrier

WH-0739-K

WH-0739-G

PART NO.

PART NO.

PART NO.

Center Barrier

WH-0741-K

WH-0741-G

Side Barrier

WH-0740-K

WH-0740-G

Black

Gray

WH-0781-K

WH-0781-G

WH-0782-K

WH-0782-G

Square Rectangular

24

6

26

34

8.2

27.5

13.5

14

259

24

6

26

34

9

24

6

20

27

9

24

6

20

27

9

8.2

27.513.5

1432

23.3

23.3

The cover opens 90 and returns by spring force. In case of serial mounting (horizontal mounting only), panel cut dimension to be same as "without barriers".In case of Guard Cover use, please select type of "without frange".

n : number of switchesPanel Thickness 1mm~4.5mm

Short Barrier

19mm Square 19�26mm Rectangular

19mm Square

Panel Cut Dimensions

19�26mm Rectangular

Long Barrier (For Rectangular long side)

Short Barrier

Long Barrier

30.3�38.8(n�1)

22.3�31.8(n�1)

�0.

15�

0.1

�0.

15�

0.1

�0.15�0.1

�0.15�0.1


WHACCESSORIES

PART NO.

Dust-Proof CoverRubber Packing

WH-0783WH-0767

WH-0784WH-0768

Square Rectangular

1

31 38

1

3131

19mm Square 19 26mm Rectangular

19 26mm RectangularFILTER

Please refer No. of figures and following chart.

25 Round Button Type19mm Square

RoundFull Face

3-Split (V)

SquareFull Face

RectangularFull Face

4-Split 4-Split3-Split (V)

2-Split (V) 2-Split (H) 2-Split (H)

3-Split (H) 3-Split (H)

Split Face

NoType

RedGreenYellowMilky-White

1 2 3 4 5 6 7 8 9Square Full Face Split Face Rectangular Full Face 4-Split2-Split (V) 2-Split (H) Round Full Face 2-Split (H) 4-SplitWH-0705-RWH-0705-GWH-0705-YWH-0705-M

WH-0713-RWH-0713-GWH-0713-YWH-0713-M

WH-0706-RWH-0706-GWH-0706-YWH-0706-M

WH-0715-RWH-0715-GWH-0715-YWH-0715-M

WH-0714-RWH-0714-GWH-0714-YWH-0714-M

WH-0716-RWH-0716-GWH-0716-YWH-0716-M

WH-2349-RRWH-2349-GGWH-2349-YYWH-2349-MM



REPLACEMENT PARTS

8 9 99999

99

8

8

87

45 66

6666

6

6

5

5443

2

21

ORDERING CODE

WH 1 2 3 4

OPERATION

CONTACT

MAL

MomentaryAlternateIndicator

Supply Voltageto LED

123

5V Built-in Resistor12V Built-in Resistor24V Built-in Resistor

1 2 3 4

0125679

IndicatorSPDT SilverDPDT Silver SPDT W/E Alloy #1CrossbarDPDT W/E Alloy #1CrossbarTPDT SilverTPDT W/E Alloy #1Crossbar

BUTTON SHAPE-ILLUMINATION TYPE

S0W0R0S2W1W2R2W5R5W6R6W7R7

Square Full FaceRect. Full FaceRound Full FaceSquare 2-Split Face Rect. 2-Split Face (Vert.)Rect. 2-Split Face (Horiz.)Round 2-Split FaceRect. 3-Split Face (Vert.)Round 3-Split Face (Vert.)Rect. 3-Split Face (Horiz.)Round 3-Split Face (Horiz.)Rect. 4-Split FaceRound 4-Split Face

PC

Sunmulon mark Sunmulon mark Sunmulon mark Sunmulon mark1

11 2 1 2

3 432

2

3

Round 2-Split Face Round 3-Split Face (Vert.)

Round 3-Split Face (Horiz.)

Round 4-Split Face

Note:

Square

Round

1) In case of Split-Face, LED and Filter color location should be specified as follow:

Rectangular

Rect. 4-Split FaceRect. 3-Split Face (Horiz.)

Rect. 2-Split Face (Horiz.)

Rect. 2-Split Face (Vert.)

Square 2-Split Face

13 43

2121

32

21

212

1


MULON mark

MULON mark MULON mark MULON mark MULON mark MULON mark

(Rectangular Only)

(Rectangular Only)

WH

708090

RedGreenYellow

Full Face : Put color no. into the frame 12-Split Face : Put color no. into the frame 1, 23-Split Face : Put color no. into the frame 1, 2 ,34-Split Face : Put color no. into the frame 1, 2, 3, 4

Please be noted that the color of "Yellow" for LED,Filter is actually "Orange Yellow" not Lemon Yellow.

FILTER COLOR1234

RedGreenYellowMilk-White

Without Filter

Full Face : Put color no. into the frame 12-Split Face : Put color no. into the frame 1,23-Split Face : Put color no. into the frame 1,2,34-Split Face : Put color no. into the frame 1,2,3,4

LED Illumination

Flange / Housing ColorKH

Black Gray Without Flange

1.

2.

Put flange color for Square/Rect. type and housing color for Round type.In case of Guard Cover use, please select type of "without flange"LED COLOR

Note: 2,3 or 4 sprit-face:Simultaneous lighting is possible except

all green LED type with 12V or 24V.

12

ORDERING CODE II

●BUTTON SHAPE

●ILLUMINATION TYPE

●LED COLOR

●FILTER COLOR

WH

WL

1111

222

33 4

1111

222

33 4

（Full Face）

（2-Split Face）

（3-Split Face）

（4-Split Face）

（Full Face）

（2-Split Face）

（3-Split Face）

（4-Split Face）

※1) ※2)

70

80

90

Red

Green

Yellow

R

S

W

25 Round

19 Square

19×26 Rect.

1

2

3

4

5

6

7

Full Face Mono color

Round, Square 2-Split Face



Round, Rect. 3-Split Face (Vert.)

Round, Rect. 3-Sprit Face (Horiz.)

Round, Rect. 4-Sprit Face

R

G

Y

M

X

Red

Green

Yellow

Milk-White

Without Filter

Full Face: Put color no. into the frame 12-Split Face: Put color no. into the frame 1, 23-Split Face: Put into color no. into the frame 1, 2, 34-Split Face: Put color no. into the frame 1, 2, 3, 4

Full Face: Put color no. into the frame 12-Split Face: Put color no. into the frame 1, 23-Split Face: Put into color no. into the frame 1, 2, 34-Split Face: Put color no. into the frame 1, 2, 3, 4

Note: In case of Indicator, please change top of ordering code WH to WL.It is difference structure of illumination parts between WH (switch) and WL (Indicator).

Indicator type:

2,3,4-Sprit Face :Simultaneous lighting isi possible except allgreen LED type with 12V or 24V.

※

※

WH

LED Illumination

Supply Voltage to LED

123

5V Built-in Resistor12V Built-in Resistor24V Built-in Resistor

Please be noted that the color of "Yellow" for LED,Filter is actually "Orange Yellow" not Lemon Yellow.

Sunmulon mark Sunmulon mark Sunmulon mark Sunmulon mark1

11 2 1 2

3 432

2

3

Round 2-Split Face Round 3-Split Face (Vert.)

Round 3-Split Face (Horiz.)

Round 4-Split Face

Note: In case of Split-Face, LED and Filter color location should be specified as follow:

Square

Round

Rectangular

Rect. 4-Split FaceRect. 3-Split Face (Horiz.)



Square 2-Split Face

13 43

2121

32

21

212

1


MULON mark

MULON mark MULON mark MULON mark MULON mark MULON mark

13

WH

●Flange Shape

S

R

S

W

25 Round

19 Square

19×26Rect.

Housing

WHORDERING CODE II

OPERATION

CONTACT

MAL

MomentaryAlternateIndicator

0125679

IndicatorSPDT SilverDPDT Silver SPDT W/E Alloy #1CrossbarDPDT W/E Alloy #1CrossbarTPDT SilverTPDT W/E Alloy #1Crossbar

(Rectangular Only)

(Rectangular Only)

1.Put flange color for Square/Rect. type and housing color for Round type.

2. In case of Guard Cover use, please select type of "without flange"

Note:

Flange / Housing ColorKH�

Black Gray Without Flange

WHASSEMBLY & DISASSEMBLY

1. Fitting Light cartridge

Insert Light cartridge into Housing with correct position ofmetal fitt ings as shown.

Housing Light cartridge

2. Installing Flange ( Square / Rect. )

Attach the flange, aligning the groove on the flangewith the protruding portions on the Housing.Fit the flange as shown until click.

3. Indicating Supply voltage to LED and LED color

DC voltage supply rating to LED is shownon the side of Light cartridge.

19 square 19×26 Rect.

24V RGY

Supply voltage to LED LED Color

φ25　round

24V RGYR

Supply voltage to LED LED Color

5. Installing Guard Cover( Square / Rect.)

6. Installing Dust-Proof Cover( Square / Rect.)

（1）Dust-Proof Cover

（2）Oli and Water-Proof Cover

Attach the Guard Cover,aligning the groove on the Guard Cover with the protruding portions on the Housing.Fit the Guard Cover as shown until click.

4. Installing Barriers( Square / Rect. )

Side barrier

Center barrier

Rubber packing

Switch(Independent mounting)Set side barrier on the side of switch Housing, then insert it into the panel.

Switches (Serial muonting)Insert switches with side barrier into the panel, then install center barrier between switches.

1

2

Put the switch through the frame cover, and mount on panel. Afterwards install soft cover accordingly.

In case of Oil and Water-tight use, please apply rubber packing between panel and frame cover.

only 35mm depth behind panel with built-in resistor

Documents