Encoder

Type

Potentiometer

Type

453

Hollow Shaft

Type Devices

0.6

31.8

0.6

ø30

ø18.5

ø16.3

ø23.9

5

1.5

20

9

4.5

3.5

1.2

3

A

R0.5

2.6

3.5

1

23.6

A

3.4

9.4

9

2

6

9.5

ø22

6

1

5

4.5 3.6

1.2

2

2

C0.3

q

w

C

Dimensions

Unit:mm

PC board mounting hole dimensions

（Viewed from the Direction A）

No.

Style

1

2-ø1.5 holes

ø2.1

3-ø1 holes

ø2.05

11.8

6

17

（18ﾟ）

T

T4

T3

T2

T1

（36ﾟ）

OFF

ON

T1,T3

＝1/4T±1/8T

OFF

ON

Clockwise

Counter-clockwise

Detent position

T2,T4

＝Phase difference shall not be reversed

Phase difference of code portion

2

1

2

1.6

2-ø2.55 holes

3-ø1 holes

5

23

31.8

12

C

PC board thickness in above diagram is based on 1.6mm.

Note

（SRGPWJ0500）

T2,T4=Phase difference shall not be reversed

T2,T4=Phase difference shall not be reversed

Phase difference of code portion

（SRGPWJ0200）

Detent position

Detent position

（22.5ﾟ）

T1 T2

T3 T4

T

ON

OFF

T1,T3=1 / 4T

±1 / 8T

ON

OFF

T1

T2 T3

T4

T

ON

OFF

T1,T3=1 / 4T

±1 / 8T

ON

OFF

（22.5ﾟ）

（11.25ﾟ）

2

1

2

1

Clockwise

Counter-clockwise

Clockwise

Counter-clockwise

Hollow Shaft Type

Hollow Shaft Type Devices