Hollow Shaft Type Devices
28mm Size Encoder Type
EC28A
Series
A low-profile unit with 4mm height with good operation feel.
Hollow Shaft
Type Devices
Typical Specifications
Items
Rating
Without load
Operating life
With load
50,000cycles
Specifications
10mA 5V DC
50,000cycles
Product Line
Actuator
length
（mm）
Detent torque
（mN
m）
・
7±5
15
12±7
20±10
30
15
Vertical
Without
400
Number
of detent
Number
of pulse
Operating
direction
Push-on
switch
Minimum order
unit pcs.）
（
Product No.
EC28A1520401
EC28A1550401
EC28A1560401
Dimensions
Encoder
Type
Potentiometer
Type
Style
PC board mounting
hole dimensions
Unit:mm
¿18
1.5
4
15
3-4
120
$
28.9
2-ø1.5 holes
4-
2.
5
¿21.6
120
$
2.6
¿28
3-3.05
2.5
3-3
¿17
15
1.6
16
5
.2
12
0
$
7.5
3-R
3.5
A C B
10.75
10
A C B
3-ø1 holes
456
23
ALPS [ ALPS ELECTRIC CO.,LTD. ]
