289

EC12／12mm Size Insulated Shaft Type

17.5

3

5

0.5

14.1

12.5

A

C

D

B

E

3.5

ø6.8

Mounting surface

5 (6)

Switch travel

EC12E

EC12D

Dimensions

Unit:mm

No.

4

5

Photo

Style

PC board mounting hole dimensions

（Viewed from mounting side）

Locating lug detail

No thread area

1

3.5

7

5.5

3.5

M9x0.75

Mounting surface

A

14

12.4

(8.2)

2.5

X

X

Y

Y

13.2

2

3-ø1

2

5

C

A

B

holes

With bushing type

With push-on switch

type

13.3

11.1

2.05

2.05

5.95

A

CD

B

E

5-ø1.05 holes

A

-

-

20

25

7

12

5

30

12

Output Wave

A signal

B signal

OFF

ON

ON

OFF

CW direction

Detent stability position

（When the switch is provided）

Sliding Noise

5V DC

RR

Terminal B

Terminal A

Terminal C

Encoder

Test circuit

tt

ON

ON

OFF

Output waveform

Sliding direction

t : Masking time to avoid chattering

Measurement condition：Rotation speed 360

˚/s

EC12E

EC12D

At R = 10k Ω

Chattering : 3ms max.

Bounce : 2ms max.

At R = 5k Ω

Chattering : 3ms max.

Bounce : 2ms max.

A signal

B signal

ON

OFF

OFF

ON

CW direction

Detent stability position

※Detent position cannot be specified for B signal.