Encoders
List of Varieties
Metal shaft
11mm size
Type
9mm size
Series
EC09E
EC11B
EC11E
EC11G
Photo
Incremental（Two phase A and B
Single-shaft
Horizontal
）
Output
Dual-shaft
Vertical
Single-shaft
Shaft types
Vertical
—
Operating direction
9 / 18
15 / 30 or without
18 / 36 or without
Number of pulse /
Number of detent
15 / 30
15 / 30 or without
Less shaft wobble
Without detent
Push-lock mechanism
—
—
Features
W
11.7
9.5
4.5
Dimensions
13.8
5.5
12
D
（mm）
4.5
8 / 8.5
4.5
●
H
−40℃ to＋85℃
Operating temperature range
15,000 cycles
Operating life
Automotive use
●
●
●
Life cycle (availability)
10mA 5V DC
10mA / 1mA
Rating
Max./min. operating
current（Resistive load）
Electrical
performance
100MΩ min. 250V DC
Insulation resistance
300V AC for 1 minute or
360V AC for 1s
300V AC for 1 minute or 360V AC for 2s
Voltage proof
Rotational torque
（Without detent）
＋ 3
—
—
7
m N・m
—
8 .5 ± 5 m N・m
1 2 ± 7 m N・m
− 4
Mechanical
8 ± 5 m N・m
1 2 ± 7 m N・m
1 0 ± 7 m N・m
Detent torque
performance
100N
Push-pull strength
In n e r - s h a f t ： F la t
Flat
Flat, Slotted, Serratedꢀ
Insertion
Serrated
Shaft configuration
Terminal type
Switch type
O u t e r - s h a f t ： S lo t t e d
Push-lock
mechanism
switch ※
Push-on switch
Push-on switch
Contact
Single pole and single throw（Push-on）
arrangement
＋0.4
−0.3
0.5±0.3 1.5±0.5 0.5
1.5±0.5 0.5±0.3 1.5±0.5 8±0.8 0.5±0.3 1.5±0.5
1.5±0.35
5±2
Travel（mm）
Operating force（N）
Rating
Switch
＋2.5
− 2
＋2.5
− 2
＋2.5
6
4±2
6±3
5±2
6
4±2
8 max.
6
4±2
− 2
Specifications
10mA 5V DC
0.1A 5V DC（500μA 5V DC min. ratings）
（500μA 5V DC min. ratings）
100mΩ max. for initial period; 200mΩ max. after operating life.
Contact resistance
25,000
times
10,000
times
10,000 times
267
20,000 times
20,000 times
Operating life
Page
269
Encoders Soldering Conditions ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・307
Encoders Cautions ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・308
Notes
1. ※marked specification is only applicable to EC11E152U402.
2. ●Indicates applicability to all products in the series.
262
ALPS [ ALPS ELECTRIC CO.,LTD. ]
