EC11
11mm Size Metal Shaft Type
Compact and highly reliable type available in
many varieties
■
Typical Specifications
Items
Specifications
Two phase of A, B
Self-return switch
(EC111 / EC11E0B)
10mA 5V DC
15,000 cycles
100,000 cycles（EC11K / EC11J）
−40℃ to ＋85℃
Metal
Shaft
Encoders
Output signal
Rating
Operating life
Operating temperature range
Product Line
Structure
Torque
Number Number Push-on Travel of push- Operating life
Shaft
Length of
・
onfiguration the shaft L
1
(mm) （mN m） of detent of pulse switch on switch（mm） （cycles）
Without
Horizontal
12±7
30
15
With
ー
0.5
1.5
700
1,400
Minimum order uni （pcs.）
t
Japan
Export
Product No.
Drawing
No.
1
2
3
Insulated
Shaft
EC11B15202AA
EC11B15242AE
EC11B15242AF
EC11E09204A4
Hollow
Shaft
10±7
10±7
10±7
Flat
Vertical
20
＋3
18
30
36
18
30
Without
36
Without
18
30
Without
36
Without
30
Without
30
18
30
9
15
18
9
15
Without
ー
EC11E15204A3
EC11E1820402
EC11E09244BS
EC11E15244G1
4
Ring
Type
7
−4
10±7
7
＋3
−4
10±7
7
−4
10±7
7
−4
12±7
Less shaft
Serrated
wobble
25
8.5±5
12±7
＋3
＋3
0.5
15,000
With
1,200
2,400
EC11E153440D
EC11E18244AU
EC11E183440C
EC11E09244AQ
EC11E15244B2
5
18
9
15
1.5
EC11E1534408
EC11E18244A5
EC11E1834403
18
Without
15
With
ー
1.5
EC11G1560414
EC11G1574402
EC11G1564411
EC11K0920401
1,000
100,000
2,000
6
7
8
9
9
15
9
15
9
15
Without
ー
EC11K1520401
EC11K0924401
EC11K1524402
EC11K0925401
EC11K1525401
Vertical
Flat
20
12±5
18
30
18
30
0.5
With
1.5
10
Note
Other varieties are also available. Please inquire.
Refer to P.275 for product specifications.
Refer to P.276 for attached parts.
Refer to P.278 for product varieties.
Refer to P.307 for soldering conditions.
269
EC11
11mm Size Metal Shaft Type
Product Line
Structure
Encoders
Number Number Push-on
Shaft
Length of the shaft Torque
（mN m） of detent of pulse switch
・
configuration
L
1
,L
2
(mm)
18
30
18
30
18
9
15
9
15
9
Without
Travel of push-on Operating life Minimum order unit（pcs.）
switch（mm） （cycles）
Japan
Export
ー
Product No.
Drawing
No.
1
1
EC11J0920404
EC11J152040F
100,000
300
600
Reflow
Flat
20
12±5
0.5
With
1.5
EC11J0924411
EC11J1524413
EC11J0925403
EC11J1525402
12
Metal
Shaft
Push lock
20-tooth
Serrated
25
26.4
15
10±7
30
15
Without
With
Without
ー
8
ー
0.5
15,000
800
1,600
EC11E152T409
EC11E152U402
EC1110120005
13
14
15
Insulated
Shaft
Hollow
Shaft
Ring
Type
Self-return
switch
Flat
20
Inner-
shaft=25
Outer-
shaft=15
Inner-
shaft=25
Outer-
shaft=15
3 to 30
Without
Self-
return
switch
1,200
2,400
EC111012010H
EC1110120201
EC11EBB24C03
With
1.5
0.5
16
Dual-shaft
Slotted
Flat
Slotted
10±7
30
15
Without
With
ー
1.5
ー
17
15,000
700
1,400
3 to 30
Without
Self-return
switch
Without
EC11E0B2LB01
18
Note
Other varieties are also available. Please inquire.
Packing Specifications
Tray
Product No.
Number of packages（pcs.）
1 case /Japan
700
1,200
1,000
300
800
1,200
700
1 case /export packing
1,400
2,400
Export package measurements
（mm）
370×520×201
EC11B
EC11E09 / 15 / 18
EC11G / EC11K
EC11J
EC11E152T / U
EC111
EC11E0B / BB
540×360×250
2,000
600
1,600
2,400
363×507×216
1,400
369×283×263
363×507×230
270
Refer to P.275 for product specifications.
Refer to P.276 for attached parts.
Refer to P.278 for product varieties.
Refer to P.307 for soldering conditions.
EC11／11mm Size Metal Shaft Type
Dimensions
No.
Photo
Style
Unit:mm
PC board mounting hole dimensions
（Viewed from mounting side）
Encoders
EC11B
Horizontal
5.5
7
20
12
4.5
ø6
11.7
3.7
2.1
6.5 7.25
Mounting
surface
B
C
A
3-ø1 holes
3.8
0.8
M7G0.75
2
14.1
3.5
（Switch01）
5.7
C1
0.8
13.5
1.8
5
1
6
Metal
Shaft
EC11B
Horizontal
with push-on switch
（travel
0.5mm）
2
（Switch02）
（Switch01）
Insulated
Shaft
5
2.1
Mounting
surface
B
C
A
5-ø1 holes
3.8
13.5
1.8
5
E
D
Hollow
Shaft
G
2.5
Ring
Type
EC11B
Horizontal
with push-on switch
（travel
1.5mm）
13.5
5
2.1
Mounting
surface
B
C
A
5-ø1 holes
3.8
3
（Switch02）
（Switch01）
1.8
5
2.5
E
D
G
EC11E
Vertical
（
）
12.5
5
Dummy
1.5
7.5
4
7
ACB
5
5-ø1 holes
EC11E
Vertical
with push-on switch
（travel
0.5 / 1.5mm）
5
（
）
12.5
5
D
7
E
1.5
7.5
ACB
5
5-ø1 holes
2.6
2.6
271
EC11
11mm Size Metal Shaft Type
Dimensions
No.
Photo
Style
Mounting
Mounting
surface
surface
Mounting 3.5
3.5
surface
Mounting 4.5
Dummy
Dummy
1.5
3.5 7
surface
4.5
terminal
terminal
Dummy
1.54.57
terminal
Dummy
1.5
terminal
ø1.5
ø1.5
ø2
ø1.5 ø2
ø2 2.5
2.5
Unit:mm
PC board mounting hole dimensions
（Viewed from mounting side）
EC11G
Vertical
ø1.5
ø2
7.5max.
7.5max.
7.5max.
D
7.5max.
6 6 6 6
6
E
6
6
7
2.62.6
0.5x45°
0.5x45°
(SW01)
(SW01)
CHAM
CHAM
A C B
0.5x45°
(SW01)
9.2
ACB
CHAM
0.5x45°
3.5
3.5
9.2 C B
(SW01)
A
90°
CHAM
90°
3.5
±2°
±2°
9.2
8±0.1
3.5
8±0.1
90°±2
°
90°
.1
8±0.1
0
1
0.
±2°
8±0.1
0.1
0.1
ø7 ø7
2.5
4.54.5
2.2
2.6
2.5
ACB
A5 B
C
1.5
1.5
A
5-ø1 hole
C B
1.5
5-ø1 hole
5
5A C B 5-ø1 hole
7.5
4.5
ACB
9.2
7.57.5 7 7
7
2.22.2
ø7
6
6
D E
ø7
4.5
5-ø1 hole
7.5
2.2
5
∅ ∅
9± 9±
0.0 0.0
9±
3 3
0.0
3
0.0
3
EC11G
Vertical
with push-on switch
（travel
1.5mm）
7
7.5max.
7.5max.
7.5max.
ø1.5
ø1.5
ø1.5 ø2
ø2
ø2 2.5
2.5
6 6 6 6
6
7.5max.
Mounting
Switch travel
Mounting
surface
Switch travel
3.5
Mounting
25
Switch travel
surface
3.5
surface
25
1.5
3.5
25
Mounting
Switch travel
(20.5)
4.5
1.5
surface
1.5
3.5
(20.5)
25
13.1
4.5
4.5
7 (20.5)
1.5
1.5
13.1
11.7
13.1
(20.5)
7
1.5
4.5 7
(SW02)
1.5
11.7
D 13.1
11.7 E
(SW02)
7
(SW02)
D
E
1.5
D 11.7E
(SW02)
D
E
∅
∅
9±
7.57.5 7 7
7
7.5 2.22.2
2.2
4.54.5
7
4.5
7.5
2.2
2.62.6
2.6
ø1.5
ø2
8±0.1
8±0.1
90
(SW01)
3.5
°±2°
90°
±2°
3.5
90°
0.1
±2°
8±0.1
.1
1
8±0.1
0
ø7
3.5
3.5
ø7 ø7
90°
4.5
4.5
(SW01)
(SW01)
0.5x45°
CHAM
0.5x45°
(SW01)
CHAM
0.5x45°
CHAM
2.5
ø7
0.5x45°
CHAM
±2°
A CB
9.2
A CB
9.2 C B
A
9.2
2.5
6
D
E
A CB
9.2
0.1
0.
D
D
∅ ∅
9± 9±
0.0 0.0
3 3
0.0
3
D
E
E
E
D
E
1.5
1.5
A C B 5-ø1 hole
A 5 B 5-ø1 1.5
C B
C
A
hole
5 CB
A
5
5-ø1 hole
5
5-ø1 hole
9±
0.0
3
7.5max.
7.5max.
7.5max.
7.5max.
6 6 6 6
6
6
ø2 ø2
ø1.5
ø1.5
ø2
ø1.52.52.5
4.5
7.5
ø7
ø7
8
2.2
8±0.1
8±0.1
3.5
0.1
8±0.1
0.1
8±0.1
0.1
1.5
3.5
1.5
3.51.5
ø7 ø7
4.54.5
ø1.5
2.5
2.5
(SW01)
(SW01)
0.5x45°
CHAM
0.5x45°
CHAM
0.5x45°
(SW01)
(SW01)
CHAM
90°
±2°
1.5
90°
±2°
3.5
90°
90°
±2°
±2°
ACB
9.2
ACB
0.5x45°
9.2
CHAM
A C B
9.2
7.57.5 7 7
7.5
7
2.22.2
2.2
2.62.6
EC11G
Vertical
with push-on switch
（travel
1.5mm）
Switch travel
Mounting 3.5
Switch travel
25
surface
Switch travel
Mounting 3.5
1.5
25
Switch travel
Mounting
(20.5)
surface
4.5
3.5
13.1
1.5
25
Mounting
surface
3.5
25
4.5 7 (20.5)
surface
13.1
11.7
1.5
1.5
(20.5)
4.5
13.1
(20.5)
(SW02)
4.57
11.7 E
D 13.1
11.7
7
(SW02)
7
D 11.7
E
E
(SW02)
(SW02)
D
E
D
∅
9±
∅
ø2
ACB
9.2
∅ ∅
9± 9±
0.0 0.0
3 3
0.0
3
0.1
D
D
D
E
E
E
D
E
1.5
1.5
2-R0.8 A C B 5-ø1 hole
1.55
2-R0.8 A C B 5-ø11.5
hole
1.55
2-R0.8 5 A C B 5-ø1 hole
B
2-R0.8 A C
5
1.55
1.55
5
7
2.6
5-ø1 hole
5
9±
0.0
3
∅
9±
EC11K
Vertical
∅
4.45
ø5.975
4.45
1.9
Dummy terminal
3.5
ø5.975
7
7.5
4.5 4.5
6
10
2.5
7
E
1.9
Mounting
surface
Mounting
Dummy
surface
3.5
terminal
4.5
24.5
4.5
24.5
(20)
10
(20)
7
2.5
(Switch01)
(Switch01)
3.5
1.2
ø8.975
ACB
5-ø1.05 hole
5
EC11K15
Black part : Do
2-R0.8
not solder and
11.3
Type only
(Switch02)
2.5
6
10
7
C1
ø8.975
C1
R0.5
ø8.975
7
7
7.5
7.5
4.5 4.5
4.5
4.5
1.9
1.9
1.9
1.9
3.5
(Switch02)
4.45
4.45
ø5.975
ø5.975
EC11K
Vertical
with push-on switch
（travel
0.5mm /
1.5mm）
10
Switch travel
Mounting
surface
Mounting
surface
3.5
24.5
4.5
24.5
(20)
10
(20)
Switch
0.5or1.5
travel
0.5or1.5
7
13.1
11.7
13.1
E
D
11.7
D
E
4.5
2.5
3.5
(Switch01)
(Switch01)
1.2
3.5
1.2
C1
ACB
6
C1
ACB
D
E
B
1.6
5-ø1.05 hole
A
5
C
2-R0.8
EC11K15
1.6
5-ø1.05holes
Type only
5
2-R0.8
EC11K15
Black part : Do not solder and
Type only
no wiring for electrical contact.
PC board mounting detail
A slant line part hows
the solder land black part:
Do not solder and wiring
for electrical contact
A
C
B
272
2.65
2.65
5
5
10
10
PC board mounting detail
A slant line part hows
the solder land black part:
Do not solder and wiring
EC11K09
for electrical contact
1.6
Type only
12.6
EC11K09
2-R0.8
1.6
6
Type only
1.55
ø2.1hole
12.6
2-R0.8
5
12.5
D
6
E
1.55
ø2.1hole
5
12.5
D
E
6
6
1.9
no wiring for electrical contact.
2.65
3.5
1.2
C1
C1
ø8.975
C1
C1
R0.5
7
7.5
4.5 4.5
ACB
1.9
1.6
B
A
C
EC11K15
Type only
1.6
A
C
5
5
10
2.65
5-ø1.05 hole
2-R0.8
9
6
6
6
B
5
10
D
13.1
D
11.7
13.1
11.7
1.6
12.6
2-R0.8
1.6
6
1.55
ø2.1hole
12.6
5
2-R0.8
6
D
1.55
12.5
E
ø2.1hole
EC11K09
Type only
EC11K09
Type only
E
D
5
E
12.5
2.6
6
ø2.05 hole
Center of shaft
12.5
ø2.05 hole
Center of shaft
5
12.5hole
ø2.05 hole
ø2.05
Center of shaft
D 5 E
Center of shaft
12.5
12.5
5
D
5E
D
E
D
E
6
2.6
6
ø2.05 hole
ø2.05 hole
2-R0.8
ø2.05 12.5
hole
Center
1.55
12.5
12.5
2-R0.8 of shaft
2-R0.8
ø2.05 hole
1.55
Center of shaft
Center of shaft
1.55
5
12.5
2-R0.8
Center of shaft
5
D 51.55
E
D
E
D
E
5
6
2.6
Encoders
Metal
Shaft
Insulated
Shaft
Hollow
Shaft
Ring
Type
3.5
25
25
4.5
(20.5)
1.5
(20.5)
25
7
25
(20.5)
7
(20.5)
13.1
11.7
13.1
11.7
D 13.1
E
D 11.7
E
13.1
11.7
D
E
ø2.05 hole
12.5
ø2.05 hole
5
12.5
ø2.05 hole
1.55
5
12.5
D
1.55 E5
D1.55
E
ø2.05 hole
2-R0.8
2-R0.8
12.5
Center
5
shaft
Center of shaft
2-R0.8 of
1.55
Center of shaft
2-R0.8
D E
Center of shaft
1.5
15° 15°
15° 15°
15° 15°
15°
15°
15°
15°
5
0.0
5 .08±
5
0.0 0
∅
8± 8±
∅ ∅
15°
5
0.0
5 .08±
5
0.0 0
∅
8± 8±
∅ ∅
15°
5
0.0
5 .08±
5
0.0 0
∅
8± 8±
∅ ∅
0
8±
∅
.05
1.5
0.0
8±
∅
5
1.5
∅
8±
0.0
5
EC11／11mm Size Metal Shaft Type
Dimensions
No.
Photo
Style
Unit:mm
PC board mounting hole dimensions
（Viewed from mounting side）
Encoders
13
12.5
13
7.5
12.5
6.3
7.5
EC11J09
Type only
EC11J09
EC11J
Reflow
18
3
11
A
(Switch01)
1.2
C1
ø8.975
C1
A CB
8.1
11.7
1.45
1.95
(Switch02)
10
7
4.45
ø5.975
4.5
15
D E
18
3
ø2.1hole
6.3
D E
D E
12
1.2
D
E
A slant line part:The solder land
PC board mounting detail
Black part: Do not solder and wiring for electrical contact
A slant line part hows
the solder land black part:
Do not solder and wiring
12.5
for electrical contact
ø5
6
6
1.9
(Switch01)
C1
ø8.975
C1
A CB
8.1
11.7
A
A
CB
5-1.3
B
5-1.3
1.6
C
EC11J15
5
2-R0.8
1.6
Type
9
EC11J15
only
5
2-R0.8
16.5
Type only
9
16.5
1.8
5-2.4
5.05
4.5
1.9
1.8
5-2.4
8.5
8.2
5.05
4.5
8.5
8.2
EC11J
Reflow
with push-on switch
（travel
0.5mm / 1.5mm）
Switch travel
Mounting
surface
24.5
(20)
0.5 or 1.5
EC11J15
5
CB
Type only
9
1.6
16.5
EC11J15
5
2-R0.8
Type only
9
A slant line part:The solder land
16.5
Black part: Do not solder and wiring for electrical contact
PC board mounting detail
EC11J09
A slant line part hows
13
Type
EC11J09
only
the solder land black part:
0.5
13
12.5
Type only
2-R0.65
solder and
1.3
Do not
12.5
7.5
wiring
0.5
6.3
1.3
ø2.1hole
7.5
for
2-R0.65
electrical contact
5-1.3
1.6
2-R0.8
5-1.3
1.9
1.9
A
CB
4.5
4.5
8.5
8.5 8.2
8.2
1.45
1.95
10
7
4.45
ø5.975
(Dummy
terminal)
4.5
19
12.6
19
10
12.6
5.5
10
4
5.5
15
D E
ø2.1Hole
D E
6.3
D E
4
1.8
1.8
5-2.4
5-2.4
5.05
5.05
Mounting
surface
24.5
(20)
0.5
2-R0.65
0.5
ø2.1Hole
2-R0.65
1.3
Type only
1.3
Metal
Shaft
Insulated
Shaft
19
12.6
10
5.5
19
4
12.6
10
5.5
4
Hollow
Shaft
Ring
Type
EC11E152T
Push-lock mechanism
3.5
Dummy terminal
2.5
5.1
25
9
8
Total travel
Lock travel
7.5 max.
11.7
.4
5
ho
le
Dummy
1.5
8±0.1
20 teeth Serrated
90˚
±2˚
.1
0
7.5
13
(Switch01)
3.5
20 teeth Serrated
ACB
9.2
7
ACB
5
5-ø1 holes
EC11E152U
Push-lock
mechanism
with push-lock
switch
14
ø9
±
0.
05
3.5
(Switch02)
2.5
6.5
26.4
9
8
Total travel
Lock travel
7.5 max.
11.7
D
E
6
15˚
12.5
5
D
7
E
6
(Switch01)
3.5
20 teeth Serrated
ACB
9.2
7.5
8±0.1
20 teeth Serrated
90˚
±2˚
0.1
D
E
ACB
5
5-ø1 holes
0.
05
ø9
±
EC111
Self-return switch
（
）
12.5
5
Dummy
15˚
1.5
15
7.5
7
ACB
5
5-ø1 holes
2.6
2.6
2.6
1.5
5
.0
±0
ø8
ø8
±0
5
.0
273
