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℃
Encoders
Metal
Shaft
Output signal
Rating
Operating life
Operating temperature range
Product Line
Structure
Number Number Push-on Travel of push- Operating life
Shaft Length of Torque
the shaft
・
configuration (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
Hollow
Shaft
Ring
Type
EC11B15202AN
EC11B15242AZ
EC11B15242B1
EC11E09204A4
18
30
10±7
36
18
Flat
Vertical
20
30
7
＋3
−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
9
15
18
9
15
Without
ー
EC11E15204A3
EC11E1820402
EC11E09244BS
EC11E15244G1
4
Without
36
Without
18
30
Without
36
Without
30
Without
30
18
30
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
EC11K0920404
1,000
100,000
2,000
6
7
8
9
9
15
9
15
9
15
Without
ー
EC11K1520406
EC11K0924404
EC11K1524406
EC11K0925416
EC11K1525413
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.282 for product specifications.
Refer to P.283 for attached parts.
Refer to P.285 for product varieties.
Refer to P.315 for soldering conditions.
276
EC11／11mm Size Metal Shaft Type
Product Line
Structure
Number Number Push-on
Shaft
Length of the shaft Torque
（mN m） of detent of pulse switch
・
configuration
(mm)
18
30
12±5
（Initial）
10±4
（After reflow）
Travel of push-on Operating life Minimum order unit（pcs.）
switch（mm） （cycles）
Japan
Export
ー
Product No.
Drawing
No.
Encoders
9
15
9
15
9
Without
EC11J0920404
EC11J152040F
100,000
600
600
1
1
Reflow
Flat
20
18
30
18
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
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
Hollow
Shaft
15,000
700
1,400
3 to 30
Without
Self-return
switch
Without
EC11E0B2LB01
18
Ring
Type
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
600
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
Refer to P.282 for product specifications.
Refer to P.283 for attached parts.
Refer to P.285 for product varieties.
Refer to P.315 for soldering conditions.
277
EC11
11mm Size Metal Shaft Type
Dimensions
No.
Photo
Style
Unit:mm
PC board mounting hole dimensions
（Viewed from mounting side）
EC11B
Horizontal
4.5
ø6
M7G0.75
3.5
（Switch01）
0.8
5.7
C1
0.8
2
14.1
13.5
1.8
5
1
6
6.5 7.25
13.5
1.8
5
13.5
3
（Switch02）
（Switch01）
1.8
5
7.5
4
7
ACB
5
5-ø1 holes
EC11E
Vertical
with push-on switch
（travel
0.5mm / 1.5mm）
5
（
）
12.5
5
D
7
E
1.5
7.5
ACB
5
5-ø1 holes
278
2.6
2.6
Encoders
Metal
Shaft
Insulated
Shaft
5.5
7
20
12
11.7
3.7
2.1
Mounting
surface
B
C
A
3-ø1 holes
3.8
EC11B
Horizontal
with push-on switch
（travel
0.5mm）
2
（Switch02）
（Switch01）
5
2.1
Mounting
surface
B
C
A
5-ø1 holes
3.8
E
D
Hollow
Shaft
Ring
Type
G
2.5
EC11B
Horizontal
with push-on switch
（travel
1.5mm）
5
2.1
Mounting
surface
B
C
A
5-ø1 holes
3.8
E
D
2.5
G
EC11E
Vertical
（
）
12.5
5
Dummy
1.5
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）
Encoders
EC11G
Vertical
3.5
25
25
4.5
(20.5)
1.5
(20.5)
25
7
25
(20.5)
7
(20.5)
ø1.5
ø2
7.5max.
7.5max.
7.5max.
D
7.5max.
6 6 6 6
6
13.1
11.7
13.1
11.7
D 13.1
E
D 11.7
E
13.1
11.7
D
E
E
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°°
8±0.1
0.1
1
0.
±2°
8±0.1
0.1
1
0.
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
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
D E
ø7
4.5
5-ø1 hole
7.5
2.2
2.6
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
6
1.5
15° 15°
Metal
Shaft
15°
5
15°
5
0.0
5 .08±
5
0.0 0
∅
8± 8±
∅ ∅
∅
∅ ∅
9± 9±
0.0 0.0
9±
3 3
0.0
3
3
5
0.0
8±
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±
0.0
Insulated
Shaft
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°
90°
0.1
±2°
8±0.1
8±0.1
0.1
0.1
1
0.
3.5
ø7
3.5
3.5
ø7 ø7
90°
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
6
D
E
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
Hollow
Shaft
2.5
A CB
9.2
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
1.5
5-ø1 hole
3
0.0
15° 15°
15°
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
2.5
ø2
ø1.5
4.5
7.5
ø7
ø7
2.2
4.5
8
8±0.1
8±0.1
3.5
0.1
0.1
8±0.1
8±0.1
0.1
1.5
3.5
1.5
3.51.5
ø7 ø7
4.54.5
2.5
(SW01)
(SW01)
0.5x45°
CHAM
0.5x45°
CHAM
0.5x45°
(SW01)
(SW01)
CHAM
90°
±2°
90
1.5
°±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
(20.5)
4.5 7
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
15°
5
0.0
5 .08±
5
0.0 0
∅
8± 8±
∅ ∅
∅
8±
0.0
Ring
Type
9±
5
∅
9±
∅
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
1.55 5
1.55
5
7
2.6
5-ø1 hole
5
9±
∅
9±
0.0
3
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
no wiring for electrical contact.
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
7
7
7.5
7.5
4.5 4.5
4.5
4.5
1.9
1.9
1.9
1.9
A
B
3.5
(Switch02)
(Switch02)
6
10
7
C1
ø8.975
C1
R0.5
ø8.975
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
7
4.5
(20)
Switch
0.5or1.5
travel
0.5or1.5
13.1
11.7
13.1
E
D
11.7
D
E
1.9
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
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
C
2.65
2.65
5
5
10
10
2.5
6
6
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
1.5
15° 15°
15°
5
0.0
5 .08±
5
0.0 0
∅
8± 8±
∅ ∅
15°
0.0
8±
∅
5
279
EC11
11mm Size Metal Shaft Type
Dimensions
No.
Encoders
Unit:mm
Photo
Style
PC board mounting hole dimensions
（Viewed from mounting side）
EC11J09
Type only
EC11J09
EC11J
Reflow
(Dummy
terminal)
Mounting
surface
4.5
24.5
(20)
10
7
15
D E
18
3
4.45
ø5.975
ø2.1Hole
19
12.6
19
10
12.6
5.5
10
4
5.5
11
A
5
CB
(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
12
1.2
D
E
A slant line part:The solder land
Black part: Do not solder and wiring
PC board mounting detail
for electrical contact
A slant line part hows
the solder land black part:
Do not solder and wiring
for electrical contact
12.5
ø5
6
6
EC11E152T
Push-lock mechanism
3.5
Dummy terminal
2.5
5.1
25
9
8
Total travel
Lock travel
7.5 max.
11.7
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
.4
5
ho
le
8±0.1
20 teeth Serrated
90˚
±2˚
0.1
7.5
13
(Switch01)
3.5
20 teeth Serrated
ACB
9.2
7
ACB
5
5-ø1 holes
ø9
±0
.0
5
7.5 max.
EC11E152U
Push-lock mechanism
with push-lock switch
3.5
(Switch02)
2.5
6.5
26.4
9
8
Total travel
Lock travel
11.7
D
E
6
15˚
12.5
5
D
7
E
6
14
(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
±
280
15˚
2.6
2.6
1.5
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
Dummy
1.5
EC11J
Reflow
with push-on switch
（travel
0.5mm / 1.5mm）
Switch travel
Mounting
surface
24.5
(20)
0.5 or 1.5
1.6
EC11J15
5
2-R0.8
Type
land
A slant line part:The solder
only
9
16.5
Black part: Do not solder and wiring
for electrical contact
PC board mounting detail
A slant line part hows
the solder land black
EC11J09
part:
13
Type
Do not solder and wiring
only
EC11J09
0.5
13
12.5
Type only
for electrical
7.5
1.3
2-R0.65
12.5
contact
0.5
6.3
1.3
ø2.1hole
7.5
2-R0.65
6.3
ø2.1hole
D E
D E
5-1.3
1.6
2-R0.8
5-1.3
9
16.5
19
12.6
10
5.5
19
4
12.6
10
5.5
4
1.9
1.9
A
CB
EC11J15
Type only
4.5
4.5
8.5
8.5 8.2
8.2
1.45
1.95
D E
6.3
D E
4
1.8
1.8
5-2.4
5-2.4
5.05
5.05
0.5
2-R0.65
0.5
ø2.1Hole
2-R0.65
13
12.5
13
7.5
12.5
6.3
7.5
1.3
Type only
1.3
Metal
Shaft
Insulated
Shaft
Hollow
Shaft
Ring
Type
.0
±0
ø8
5
ø8
±0
.0
5
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