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EC28A

Hollow Shaft Type Devices 28mm Size Encoder Type

ALPS ELECTRIC CO.,LTD. 

Hollow Shaft Type Devices

Hollow Shaft

Type Devices

List of Varieties

Type

Series

21mm size 28mm size

EC21A

EC28A

Encoder

35mm size

EC35AH

EC35B

40mm size 45mm size 60mm size

EC40A

EC45A

EC60A

Photo

Encoder

Type

Potentiometer

Type

Output

Shaft types

Operating direction

Number of pulse/

Number of detent

Push switch（Travel mm）

Incremental

9/18

15/30

15/30

ABC

Incremental/

Self-returen switch

Hollow shaft

Incremental

Vertical

6GABC／18

10GABC／30

15/30

Without

Absolute Incremental

31

Position

15／30

Optional functions

Changeover angle

W

28

︵

21.6

D

29

︶

H

4

12°

12°

35

40.4

44.5

35

61.8

37

41.6

45

15

21.35

9

11.5

Manual soldering

350℃ max. 3s max.

Dip soldering

260±5℃, 5±1s

260℃ max. 5s max.

Reflow soldering

Operating temperature range

–40℃ to ＋85℃

Output voltage

2.5V max.

at 5V DC,1mA

（resistive load）

2.5V max.

2.5V max.

at 5V DC,0.5mA at 5V DC,1mA

（resistive load）（resistive load）

2.5V max.at 5V DC,0.5mA

（resistive load）

Insulation resistance

100MΩmin. 250V DC

10MΩ min. 50V DC 10MΩ min. 500V DC

Voltage proof

300V AC for 1minute

50V AC for 1minute 500V AC for 1minute

Rotational

torque

12±7mN･m

Shall be in accordance

16±7mN･m

18±7mN･m 20±10mN･m 20±11mN･m with individual 40±20mN･m

20±10mN･m

specifications.

Terminal strength

5N for 1minute

3N for 10s.

Rotational

Actuator direction

strength Push

direction

100N

100N

50N

Vibration

Cold

Dry heat

Damp heat

Page

10 to 55 to 10Hz/min., the amplitude is 1.5mm for all the frequencies, in the 3 direction of X, Y and Z for 2 hours respectively

–40±2℃ for 240h

–40±3℃ for 240h

85±2℃ for 240h

85±3℃ for 240h

60±2℃, 90 to 95%RH for 240h

40±2℃, 90 to 95％RH for 240h

455

456

457

458

459

460

462

Self-return Switch Specifications

Items

Circuit・number of contacts

Trave（l mm）

Push operating forc（ e N）

Switch ON position

Ratational torgue

Rating

Contact resistance

Operating life

EC35B

Single pole and double throw（Self-return）

2.8±0.5

3.8±1.5

15±5°

40±25mN・m

10mA 5V DC

200mΩ max.

15,000cycles

● Hollow Shaft Type Device Cautions ……………………………………………………………………………465, 466, 467

Note

F The operating temperature range for automotive applications can be raised upon request. Please contact us for

requirements of this kind.

448

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