Incremental
Type
Absolute
Type
181
Detector
Push
Slide
Rotary
Encoders
Power
Dual-in-line
Package Type
TACT SwitchTM
Custom-
Products
11mm Size Metal Shaft Type
EC11 Series
Product Line
Horizontal
Vertical
Flat 20
Without
Without
With
With
15,000
0.5
1.5
0.5
1.5
12±7
10±7
7
＋3
−4
10±7
7
＋3
−4
10±7
7
＋3
−4
10±7
7
＋3
−4
10±7
7
＋3
−4
10±7
7
＋3
−4
1
2
3
4
5
700
1,200
1530
9
15
18
9
15
18
9
15
18
18
30
Without
36
Without
18
30
Without
36
Without
18
30
Without
36
Without
EC11B15202AA
EC11B15242AE
EC11B15242AF
EC11E09204A4
EC11E15204A3
EC11E1530401
EC11E1820402
EC11E1830401
EC11E09244BS
EC11E15244G1
EC11E153440D
EC11E18244AE
EC11E1834404
EC11E09244AQ
EC11E15244B2
EC11E1534408
EC11E18244A5
EC11E1834403
Product No.
Drawing
No.
Minimum
order unit
（pcs.）
Number
of detent
Number
of pulse
Actuator
configuration
Structure
Actuator
length
（mm）
Push-on
switch
Travel of push-on
switch（mm）
Operating
life
（cycles）
Torque
（mN・m）
Compact and highly reliable type available in many varieties.
Encoder
10mA 5V DC
15,000cycles
EC11EH
:
30,000cycles
Rating
Items Specifications
Operating life
Typical Specifications
Incremental
Type
Absolute
Type
182
Detector
Push
Slide
Rotary
Encoders
Power
Dual-in-line
Package Type
TACT SwitchTM
Custom-
Products
11mm Size Metal Shaft Type EC11 Series
Encoder
Products other than those listed in the above chart are also available. Please contact us for details.
Note
Product Line
Push lock
Self-return
switch
Flat
Slotted
25
26.4
20
15
Inner-shaft=25
Outer-shaft=15
Without
With
Without
With
Without
8
0.5
1.5
−
10±7
3 to 30
3 to 30
7
8
9
10
13
1,000
800
1,200
1,200
700
Self-return
switch
Self-return
switch
Without
Without
EC11E152T409
EC11E152U402
EC1110120005
EC1110120103
EC1110120201
EC11E0B2LB01
Less
shaft
wobble
With18
20-tooth
serration
1.5
10±7
7＋3
−4
6
1,200
15
30
Without
30
EC11G1524402
EC11G1534403
ABC
switch
0.5
1.5
10±7
11
1,000
ABC
switch
18
30
18
EC11EH124403
EC11EH224403
EC11EH124404
EC11EH224404
Product No.
Drawing
No.
Minimum
order unit
（pcs.）
30,000
15,000
15,000
Operating
life
（cycles）
Number
of detent
Number
of pulse
Actuator
configuration
Structure
Actuator
length
（mm）
Push-on
switch
Travel of
push-on switch
（mm）
Torque
（mN・m）
Dual-shaft
Slotted
Inner-shaft=25
Outer-shaft=15
Without
0.5
−12
15
30
EC11EBB24C03
Flat With
1.5
Refer to P.191 for product varieties.
Refer to P.191 for attached parts.
（
）
!
!
（
）
!
Incremental
Type
Absolute
Type
183
Detector
Push
Slide
Rotary
Encoders
Power
Dual-in-line
Package Type
TACT SwitchTM
Custom-
Products
G
（Switch01）（Switch02）
G
（Switch01）（Switch02）
Dimensions Unit:mm
No.
3
4
Photo Style
PC board mounting hole
dimensions
（Viewed from mounting side）
3.8
2.5 5-ø1 holes
13.5
1.8
5
5
2.1
Mounting
surface
B
C
A
E
D
7
7.5
2.6
A C B
12.5 Dummy
5-ø1 holes
5
5
1.5
Horizontal
with push-on switch
（
travel 1.5mm
）
Vertical
Vertical
with push-on switch
（
travel 0.5/1.5mm
）
5
7
7.5
2.6
A C B
DE
12.5
5-ø1 holes
5
5
1.5
1
2
C1
20
0.8
5.7
M7G0.75
11.7
2
14.1
7.25
6.5
0.8
3.5
6
7
4.5
ø6
12
5.5
（Switch01）
3.8
3-ø1 holes
13.5
1.8
5
3.7
2.1
Mounting
surface
B
C
A
3.8
2.5 5-ø1 holes
13.5
1.8
5
5
2.1
Mounting
surface
B
C
A
E
D
Horizontal
Horizontal
with push-on switch
（
travel 0.5mm
）
11mm Size Metal Shaft Type EC11 Series
Encoder
（
）
!
Incremental
Type
Absolute
Type
184
Detector
Push
Slide
Rotary
Encoders
Power
Dual-in-line
Package Type
TACT SwitchTM
Custom-
Products
11mm Size Metal Shaft Type EC11 Series
Encoder
G
$
!
"
#$
%&
'
(
9
ACB
77.5
2.6
12.5
5
Dummy
1.5
5-ø1 holes
5
Self-return switch
Dimensions Unit:mm
Photo Style
No.
PC board mounting hole
dimensions
（Viewed from mounting side）
7
8
7.5 max.
6
6
11.7
25
5.1
2.5
9
8
20 teeth knurl
3.5
(Switch01)
Dummy terminal Lock travel
Total travel
3.5
9.2
A C B
DE
Total travel
7.5 max.
6
6
11.7
26.4
6.5
2.5
9
8
20 teeth knurl
3.5
(Switch01)
(Switch02)
Lock travel
3.5
9.2
A C B
DE
7
7.5
2.6
ø5.4 hole
A C B
12.5
Dummy
5-ø1 holes
5
5
1.5
7
7.5
2.6
A C B
DE
12.5
5-ø1 holes
5
5
1.5
Push-lock mechanism
Push-lock mechanism
with push-lock switch
Less shaft wobble
with push-on switch
（
travel 1.5mm
）
6
（
）
Incremental
Type
Absolute
Type
185
Detector
Push
Slide
Rotary
Encoders
Power
Dual-in-line
Package Type
TACT SwitchTM
Custom-
Products
Dimensions Unit:mm
No.
10
Photo Style
PC board mounting hole
dimensions
（Viewed from mounting side）
77.5
2.6
12.5
5
1.5
5-ø1 holes
5
DE
ACB
Self-return switch
with push-on switch
（travel 0.5mm/1.5mm）
12
13
ACB
A' C' B'
72.5
7.5
2.6
12.5
51.5
8-ø1 holes
5
DE
ACB
A' C' B'
72.5
7.5
2.6
12.5
51.5
8-ø1 holes
5
DE
Dual-shaft type
with push-on switch
（
travel 0.5mm
）
Inner shaft: encoder
Outer shaft: encoder
Dual-shaft type
with push-on switch
（
travel 1.5mm
）
Inner shaft: encoder
Outer shaft: self-return switch
11
ABC switch
with push-on switch
（travel 0.5mm/1.5mm）
!
" #
" #
11mm Size Metal Shaft Type EC11 Series
Encoder
（
）
!
Incremental
Type
Absolute
Type
186
Detector
Push
Slide
Rotary
Encoders
Power
Dual-in-line
Package Type
TACT SwitchTM
Custom-
Products
Product Varieties
LB1.6
ø6
C0.5
1
L1
ø7
2）Flat Type
Unit:mm
●Detailed dimensions
L
1
L
B
R
15
15
20
5
7
7
7
5（6）
10（12）
25 712
3）Slotted Type
Unit:mm
●Detailed dimensions
L
1
15
20
25
7
7
7
L
B
Dimensions marked with ( ) apply to products without push-on switches.
2. Standard Dimensions and configuration of Dual-shaft Type
L1
ø3.5
ø6
2.5
C0.5
ø8
2
C0.5
R
2
LB
L2
R1
1）Flat Type
Unit:mm
Configuration（Inner-shaft :φ3.5 Outer-shaft :φ6）
●Detailed dimensions
L1R1R2
L2LB
20
25
30
10
15
20
5
7
7
7
7
7
4
5
5
※DoesnotcomplywithEC111
1. Single-shaft Type
1）Knurled Type
Unit:mm
●Detailed dimensions
L
1
L
B
S
1
R1R2
20 7 6 1 7
25 710 211
Not applicable for EC11E
with push-lock mechanism
and EC11G
Configuration（Shaft diameter：φ6）
L1
LB
R
ø6
C1
ø7
※※
Shaft Dimensions
1. The highlighted figures in shaft types refer to Product Specifications in P.181 and P.182.
2. Products other than those listed in the above chart are also available. Please contact us for details
Notes
Configuration（Shaft diameter：φ6）
Configuration（Shaft diameter：φ6）
R
R
11mm Size Metal Shaft Encoders
Incremental
Type
Absolute
Type
176
Detector
Push
Slide
Rotary
Encoders
Power
Dual-in-line
Package Type
TACT SwitchTM
Custom-
Products
Encoders
List of Varieties
※markedspecificationisonlyapplicabletoEC11E152U402.
Note
Soldering
Dimensions
（mm）
Outline
specifications
Shaft types
Operating direction
Number of pulse/
Number of detent
Push switch
（Travel mm）
Optional
functions
W
D
H
Manual soldering
Dip soldering
Type
Photo
Output
Changeover angle
Page
Series
Horizontal
9mm size
Incremental
Self-return switch
Single-shaft
9.5
4.5
Vertical
Without/With（0.5, 1.5）
15/30
180
EC09E
17
to
40°
12.3
13.8
5.4
13
5
EC11B EC111
11.7
12
4.5 8.5
Push-lock mechanism
Without detent
Vertical
9/18
15/30
18/36
181
11mm size
Dual-shaft Single-shaft
ABC
12
4.5
6GABC/18
10GABC/30
EC11E EC11EH
Metal shaft
300V AC for 1minute
Voltage proof
5V DC
RR
Terminal B
Terminal A
Terminal C
Encoder
Test circuit
tt
V1
V2
5V
ON ONOFF
Output waveform
Sliding direction
t: Masking time to avoid chattering
Measurementcondition：Rotationspeed360
û/s
A signal
B signal
Detent stabillity point
CW direction
OFF ON
ONOFF
Operating temperature range
10mA
V
1
＝V
2
＝1.5V max.
At R = 5 kΩ
Chattering:5ms max.
Bounce :2ms max.
–40±3℃for 240h
350℃
max.
3s
max.
100N
8±5mN・m
260±5℃, 3±1s
85±3℃for 240h
60±2℃, 90
to
95%RH for 240h
100MΩmin. 250V DC
Maximum operating current（Resistive load）
Mechanical
performance
Environmental
performance
Push-on Switch
Specifications
Output signal
Output wave
Sliding noise
Rotational torque
Detent torque
Push-pull strength
Cold
Dry heat
Damp heat
Insulation resistance
Output of A and B signals, proportionate to phase difference
–40℃to ＋85℃
Circuit・number of contacts
Single pole and single throw（Push-on）
0.5±0.3 1.5±0.5
6＋2.5
−24±2
10mA 5V DC
100mΩmax. for initial period; 200mΩmax. after operating life.
10,000times min.
Travel（mm）
Operating force（N）
Rating
Contact esistance
Operating life
Electrical performance
–30℃
to
＋85℃
–40℃to ＋85℃
12±7mN・m
260±5℃, 5±1s
0.5
＋0.4
−0.3
1.5±0.5
5±2
6±3
3A 16V DC
（10mA 16V DC min. ratings）
25,000
times
min.
Self-return switch
Three phase A,BandC
7mN・m
＋3
−4
10±7mN・m―10±7mN・m
3 to 30mN・m
―
0.5±0.3
1.5±0.5
8±0.8※
6＋2.5
−2
4±2
8max.※
0.5±0.3 1.5±0.5
6＋2.5
−24±2 6±2.5
1.5±0.5
4±2
0.5A 16V DC（1mA 16V DC min. ratings）0.5A 12V DC ※
20mA 16V DC
（1mA 16V DC min. ratings）
20,000times min.
10,000times min. ※20,000
cycles
Please see P.191
Please see P.191
0.5
＋0.4
−0.3
Incremental
Type
Absolute
Type
177
Detector
Push
Slide
Rotary
Encoders
Power
Dual-in-line
Package Type
TACT SwitchTM
Custom-
Products
5V DC
RR
Terminal B
Terminal A
Terminal C
Encoder
Test circuit
tt
V1
V2
5V
ON ONOFF
Output waveform
Sliding direction
t: Masking time to avoid chattering
Measurementcondition：Rotationspeed360
û/s
A signal
B signal
Detent stabillity point
（
When the switch is provided
）
CW direction
OFF ON
ONOFF
List of Varieties
Incremental
Without
With（0.5, 1.5）
11.7
14.212
4.5
Vertical
9/18
15/30
15/30
181 187
11mm size
Single-shaft
2.0
19.2
10
Without
With（1.5）Without
With（1.5）
18/18
190
20mm size
EC20A/RK203EC11G EC11J EC11K
Soldering
Dimensions
（mm）
Outline
specifications
Shaft types
Operating direction
Number of pulse/
Number of detent
Push switch
（Travel mm）
Optional
functions
W
D
H
Manual soldering
Type
Photo
Output
Changeover angle
Page
Series
Dip soldering
Reflow soldering
12.4 12.5
13.2 11.7
5
12/12
24/24 15/30
192
12mm size
Insulated shaft
EC12E EC12D
Without With（0.5）
Metal shaft
Operating temperature range
Voltage proof
Maximum operating current（Resistive load）
Mechanical
performance
Environmental
performance
Output signal
Output wave
Sliding noise
Rotational torque
Detent torque
Push-pull strength
Cold
Dry heat
Damp heat
Insulation resistance
Circuit・number of contacts
Travel（mm）
Operating force（N）
Rating
Contact esistance
Operating life
Electrical performance
–30℃to ＋85℃
10mA
350℃max. 3s max.
100N
12±5mN・m
300V AC for 1minute
–40±3℃for 240h
85±3℃for 240h
60±2℃, 90 to 95% RH for 240h
Please see P.189
100MΩmin. 250V DC
Output of A and B signals, proportionate to phase difference
–40℃to ＋85℃
–30℃to ＋80℃
7mN・m
＋3
−4
10±7mN・m
260±5℃, 5±1s
260±5℃, 5±1s
1mA 5mA
50V AC for 1minute
10MΩmin. 50V DC
40±20mN・m
Single pole and single throw（Push-on）
Single pole and single throw（Push-on）
1.5±0.50.5±0.3
4±25±2
0.1A 5V DC
100mΩfor initial period; 200mΩafter operating life
1,000,000
times
min.
500,000
times
min.
0.5±0.3 1.5±0.5
6＋2.5
−24±2 4±2
0.5±0.3
1.5±0.5
5±2
0.5A 16V DC
（1mA 16V DC min. ratings）
0.5A 16V DC
（1mA 16V DC min. ratings）
20,000times min.
1,000,000
times
min.
20,000times
min.
V
1
＝V
2
＝1.5V max.
At R = 10kΩ
Chattering
:3ms max.
Bounce
:2ms max.
At R = 5kΩ
Chattering
:3ms max.
Bounce
:2ms max.
Standard detent
Without detent
–
1
0℃to ＋70℃
With push-on switch
–
4
0℃to ＋
85
℃
10mA
100MΩmin. 250V DC
300V AC for 1minute or 360V AC for 1s.
80N 100N
3±2mN・m
3 to 20mN・m
5±3mN・m
10±5mN・m
10mN・m max.
25±15mN・m
40±15mN・m
260℃±5℃, 3±1s
–40±3℃for 240h±10h
85±3℃for 240h±10h
60±2℃, 90
to
95%RH for 240h±10h
0.5±0.3
3
＋1.5
−1.0
6
＋2.5
−2
1mA 5V DC
100mΩfor initial period; 200mΩafter operating life
30,000times min.
Push-on Switch
Specifications
100,000
times
min.
Please see P.191
Please see P.191
Encoders
Incremental
Type
Absolute
Type
191
Detector
Push
Slide
Rotary
Encoders
Power
Dual-in-line
Package Type
TACT SwitchTM
Custom-
Products
Test circuit 5VDC
RTerminalA
RTerminalB
RTerminalC
Test condition Rotation speed
TerminalD
ABC switch
360°/s
Product Specifications
5V DC
RR
Terminal B
Terminal A
Terminal C
Encoder
Test circuit
tt
V1
V2
5V
ON ONOFF
Output waveform
Sliding direction
t : Masking time to avoid chattering
Measurementcondition：Rotationspeed360˚/s
B
CCW CW
C
0˚
A
At R ＝5kΩ
Chattering
:
3ms max.
Bounce
:
2ms max.
V1＝V2＝1.5V max.
EC11B
EC11E/EC11G/EC11J/EC11K
EC111/EC11E
EC11B
EC11E/EC11G/EC11J/EC11K
EC111/EC11E
Output Wave
Sliding Noise
At R ＝5kΩ
Chattering
:
2ms max.
Bounce
:
2ms max.
V1＝V2＝1.5V max.
EC20A
5V DC
RR
Terminal B
Terminal A
Terminal C
Encoder
Test circuit
tt
V1
V2
5V
ON ONOFF
Output waveform
Sliding direction
t : Masking time to avoid chattering
Measurementcondition：Rotationspeed360˚/s
At R = 5kΩ
Chattering
:
8ms max.
Bounce
:
5ms max.
At R = 5kΩ
Chattering
:
5ms max.
Bounce
:
5ms max.
EC11EH
A signal
B signal
Detent stabillity point
OFF ON
ONOFF
The stable detent position cannot be identified in phase B.
EC11E 18 detents 9 pulse
EC11E 36 detents 18 pulse
EC11J, EC11K
CW direction
Attached Parts
Hexagonal nut
11
M7
×
0.75
2
0.5
¿12
¿7.1
EC11B Series Unit:mm
Flat washer
A signal
B signal
Detent stabillity point
OFF ON
ONOFF
EC11B, EC11E, EC11G
30 detents, 15 pulse
CW direction
（
）
（
）
（
）
（
）
EC20A
A signal
Detentposition
CWdirection
B signal
C signal
OFF
ON
OFF
ON
OFF
ON
EC11EH
11mm and 20mm Size Metal Shaft Encoders
