Semi-rotary drives DSR/DSRL
Wide variety of mounting options
Infinitely adjustable swivel angle
Comprehensive range of accessories
2016/03 – Subject to change
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1
Semi-rotary drives DSR/DSRL
Features
Brief description
In these semi-rotary drives, the force
is directly transmitted to the drive
shaft via a rotary vane. The swivel
angle is infinitely adjustable from
0 … 184°
(DSRL-10 and 12: 0 … 181°).
-H-
The adjustable stop system is
separate from the rotary vane so that
any forces which occur are absorbed
by the stop blocks. The impacts are
cushioned at the end positions by
flexible plastic plates.
DSRL-…-FW
This design with hollow flanged shaft
permits the passage of liquid or
gaseous media, or even tubing or
wiring. The force is transmitted
directly and backlash-free via a
splined shaft.
Note
Sizing software
Calculating inertia
èwww.festo.com
2
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Subject to change – 2016/03
Semi-rotary drives DSR/DSRL
Features
Mounting options
Without mounting attachments
Direct mounting
With mounting attachments
for DSR
Foot mounting HSR-…-FW
Flange mounting FSR
Push-on flange FWSR
for DSRL
Foot mounting HSR-…-FW
Freewheel unit for synchronous movements
The freewheel unit is an attachment
which is fitted to the drive shaft of the
semi-rotary drive DSR. The freewheel
unit converts the oscillating rotary
movement of the semi-rotary drive
into a synchronous, indexing
movement. The movement of the
semi-rotary drive shaft only occurs in
the working directions left or right.
This permits infinitely adjustable feed
movements.
The minimum possible swivel angle is
0.4°. Switching accuracy is also
dependent upon switching speed and
load.
-H-
Note
The load must be stopped
externally!
FLSR-…-L (left-hand)
Viewed from the drive shaft side,
rotation counter-clockwise.
Accessories
Speed regulation
è 20
FLSR-…-R (right-hand)
Viewed from the drive shaft side,
rotation clockwise.
FLSR with semi-rotary drive
Sample applications with hollow flanged shaft in DSRL
Air blast
Vacuum
2016/03 – Subject to change
Electrical lines
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Water, coolant, oil, glue, etc.
3
Semi-rotary drives DSR/DSRL
Peripherals overview and type codes
aB
5
6
aA
aJ
7
DSRL
9
8
1
DSR
2
3
4
1
4
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aD
aC
Subject to change – 2016/03
Semi-rotary drives DSR/DSRL
Peripherals overview and type codes
Mounting attachments and accessories
Description
1
2
3
4
5
6
7
8
9
aJ
aA
aB
aC
aD
Foot mounting
HSR-…-FW
Freewheel unit
FLSR-…-L/R
Flange mounting
FSR
Push-on flange
FWSR
Mounting kit
WSR-…
Mounting kit
WSR-12 … 40
Mounting kit
WSR-10/12-K
Micro switch
S-3-BE-SW
Micro switch
S-3-BE
Micro switch
S-3-E
Micro stem actuated valve
SO-3-PK-3-B, S-3-PK-3-B
Proximity sensors
SIEN
Push-in L-fitting
QSL
One-way flow control valve
GRLA
DSR
è Page/Internet
DSRL
On drive shaft side
n
n
12
For spigot shaft, clockwise or anti-clockwise rotation optional
n
–
On drive shaft side
n
–
For spigot shaft
n
–
For proximity sensor SIEN
n
n
17
For micro switch S-3-E and micro stem actuated valve SO-3-PK-3-B,
S-3-PK-3-B
For micro switch S-3-BE-SW, S-3-BE
n
n
16
n
n
16
Electric, with cable, splash-proof
n
n
19
Electric, with push-in connector
n
n
19
Electric, screw connector
n
n
19
Pneumatic, either normally opened or normally closed
n
n
20
Inductive
n
n
20
For connecting compressed air tubing with standard external
diameters
For speed regulation
n
n
qs
n
n
20
14
12
13
u
DSRL
—
10
—
180
—
P
—
FW
Type
Double-acting
DSR
Semi-rotary drive with spigot shaft
DSRL
Semi-rotary drive, with flanged, hollow drive
shaft
Piston j [mm]
Swivel angle [°]
Cushioning
P
Non-adjustable at either end
Shaft
FW
Spigot shaft
Drive shaft
2016/03 – Subject to change
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5
Semi-rotary drives DSR/DSRL
Technical data
Function
-N-O-W-
Variants
n With spigot shaft
n With hollow flanged shaft
Diameter
10 … 40 mm
Force
0.5 … 20 Nm
DSR
DSRL
www.festo.com
General technical data
Piston 
10
Pneumatic connection
Design
Cushioning
Position sensing
12
M3
M5
Semi-rotary actuator with vane drive
Non-adjustable at either end
Electrical
Pneumatic
Inductive
Via through-holes
Via accessories
Any
0 … 181 °
Type of mounting
Mounting position
Max. swivel angle
16
25
32
40
M5
M5
Gx
G¼
25
32
40
0 … 184 °
-H- Note: This product conforms to ISO 1179-1 and to ISO 228-1
Operating and environmental conditions
Piston 
10
Operating medium
Operating pressure
Temperature range1)
1)
[bar]
[°C]
12
16
Compressed air in accordance with ISO 8573­1:2010 [7:–:–]
2.5 … 8
2…8
1.5 … 8
–10 … +60
Note operating range of proximity sensors
Forces and torques
Piston 
10
12
16
25
32
40
Torque at 6 bar
[Nm]
Max. swivelling frequency1)
[Hz]
Max. perm. radial load2)
[N]
Max. perm. axial load2)
[N]
Max. perm. mass moment of inertia2)
0.5
3
30
10
Diagrams è 8
1
2
5
10
20
45
18
75
30
120
50
200
75
350
120
1)
2)
6
Please observe the max. permissible mass moments of inertia è 8
On the drive shaft at maximum frequency
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Subject to change – 2016/03
Semi-rotary drives DSR/DSRL
Technical data
Materials
Sectional view
5
4
1
3
2
Rotary actuator
1
2
3
4
5
–
Housing
Drive shaft
Rotary vane
Trip cam
Cover cap
Seals
Die-cast zinc
Nickel plated steel
Plastic
Sintered steel, nickel plated
Plastic
Nitrile rubber
Weights [g]
Piston 
10
12
16
25
32
40
DSR-…-P
DSRL-…-FW
100
140
200
240
310
350
540
610
1285
1390
2400
2700
2016/03 – Subject to change
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7
Semi-rotary drives DSR/DSRL
Technical data
Max. permissible mass moment of inertia
Mass moment of inertia m as a function of swivel time S and swivel angle
DSR/DSRL-16
m [kgm2x10 –4]
DSR/DSRL-12
m [kgm2x10 –4]
m [kgm2x10 –4]
DSR/DSRL-10
S [s]
S [s]
S [s]
m [kgm2x10 –4]
S [s]
-H-
DSR/DSRL-40
m [kgm2x10 –4]
DSR/DSRL-32
m [kgm2x10 –4]
DSR/DSRL-25
S [s]
S [s]
Swivel angle 90°
. . . . . . . . . Swivel angle 120°
Swivel angle 180°
Note
Sizing software
Calculating inertia
èwww.festo.com
Assembly instructions:
If the listed maximum permissible
mass moment of inertia is exceeded,
external stops must be attached.
Please note:
The stop must not be less than the
minimum radius to the drive shaft
(rmin). The stop force must not exceed
-H-

Force
[mm]
Stop radius
rmin
[mm]
10
12
16
25
32
40
13
15
17
21
28
40
60
90
160
320
480
650
[N]
Note
When throttling the semi-rotary
drives to swivelling speeds under
180°/s, the drives must be operated
8
Stop
the maximum force. Due to the
flexibility of the stops, a precise end
position can only be achieved using
external stops.
at a pressure of at least 6 bar. A
constant speed fluctuation of ±30 %
is to be expected. The flutters and the
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swivelling times shown in the
diagrams can only be improved by
using flow control valves.
Subject to change – 2016/03
Semi-rotary drives DSR/DSRL
Technical data
Download CAD data è www.festo.com
Dimensions
DSR
-H-
Note
The swivel angle is 180° and pres­
sure-dependent. The cushioning
angle on each side is approx. 1.6°
maximum at 8 bar.
If after the swivel process, the
kinetic energy is converted by
cushioning, the drive shaft swivels
back by a corresponding angle.
The stops must not be removed as
the rotary vane is not suitable for
end-position limiting. The cover cap
is equipped with an angle scale for
adjusting.
When attaching additional
components to the drive shaft, the
maximum permissible tightening
torque of the bolt at D4 must not be
exceeded.
1 Angle scale for swivel angle
reading

2 Woodruff key position at 0 °
3 Supply port
B1
B2
B3
D1

g7
D2

D3

h8
D4
E1
E2
H1
H2
H3
L1
L2
10
12
16
25
32
40
22
26
30
42
54
70
32
40
46
60
80
100
53
65
78
98
130
160
6
8
10
12
16
20
12
16
17
18
27
36
20
22
24
28
42
52
M2.5
M3
M3
M4
M5
M6
M3
M5
M5
M5
Gx
G¼
M3
M3
M3
M4
M4
M4
19.4
23.5
27
30
43
53
15.5
18.5
20.5
23
34
40
38.8
48
56.5
68.1
92
121
57
65.6
75.8
94.5
125.5
162
22.4
25.5
29
35.4
50
60

L3
L4
L5
L6
L7
S1
S2
T1
T2
X
Woodruff key to
DIN 68851)
Tightening torque
at D4
[Nm]
6.5
5.5
6
5.4
10
10
4.5
3.5
3.5
3
7
6
15.1
18
22.5
30
36
50
2.2
2.1
2.1
4
4
4
2
2.5
–
–
–
–
3.4
4.4
5.5
7
8.5
8.5
6
8
10
11
15
15
6.8
8.8
11.2
13.5
18
22.5
7
9
9
10
12.5
16
0.35
0.35
0.35
0.4
0.45
0.5
A2 x 2 x 12
A2 x 2 x 16
A3 x 3 x 18
A4 x 4 x 25
A5 x 5 x 36
A6 x 6 x 45
0.7
1.2
1.2
5.5
5.5
5.5
[mm]
[mm]
10
12
16
25
32
40
1) included in scope of delivery
-H- Note: This product conforms to ISO 1179-1 and to ISO 228-1
2016/03 – Subject to change
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9
Semi-rotary drives DSR/DSRL
Technical data
Download CAD data è www.festo.com
Dimensions
DSRL
-H-
Note
The swivel angle is 180° and pres­
sure-dependent. The cushioning
angle on each side is approx. 1.6°
maximum at 8 bar.
If after the swivel process, the
kinetic energy is converted by
cushioning, the drive shaft swivels
back by a corresponding angle.
The stops must not be removed as
the rotary vane is not suitable for
end-position limiting. The cover cap
is equipped with an angle scale for
adjusting.
When attaching additional
components to the drive flange, the
maximum permissible tightening
torque of the bolt at D4 must not be
exceeded.
1 Angle scale for swivel angle
reading

2 Position of marking at angle
scale 0°
3 Supply port
4 Through-hole
B1
B2
B3
D1

D2

D3

h8
D4
D5

f8
D6

D7

H13
D8

min.
E1
E2
E3
H1
10
12
16
25
32
40
22
26
30
42
54
70
32
40
46
60
80
100
53
65
78
98
130
160
30
33
38
46
60
70
10
13
14
17
24
30
20
22
24
28
42
52
M3
M3
M5
M5
Gx
Gx
11
14
16
20
28
36
21
25
28
35
45
54
3.4
3.4
4.5
5.5
6.5
9
1.5
1.5
3.5
3.5
7
7
M3
M5
M5
M5
Gx
G¼
M3
M3
M3
M4
M4
M4
M3
M3
M4
M5
M6
M8
19.4
23.5
27
30
43
53

H2
H3
L1
L2
L3
L4
L5
L6
L7
L8
S1
S2
T1
X
Tightening torque
at D4
[Nm]
15.5
18.5
20.5
23
34
40
38.8
48
56.5
68.1
92
121
49
54.2
64.7
78
102.8
134.5
14
13.5
16
18.5
26
31
12.3
11.5
14
15.5
22
26
4.5
3.5
3.5
3
7
6
15.1
18
22.5
30
36
50
3
3
4
4.5
6
7.5
2.2
2.1
2.1
4
4
4
2
2.5
–
–
–
–
3.4
4.4
5.5
7
8.5
8.5
6
8
10
11
15
15
5
5
6
6
8
8
0.35
0.35
0.35
0.4
0.45
0.5
0.7
1.2
1.2
5.5
5.5
5.5
[mm]
[mm]
10
12
16
25
32
40
-H- Note: This product conforms to ISO 1179-1 and to ISO 228-1
10
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Subject to change – 2016/03
Semi-rotary drives DSR/DSRL
Technical data
Ordering data
Rotary actuator
Design

[mm]
Part No.
Type
With spigot shaft
10
12
16
25
32
40
33297
11909
11910
11911
11912
13467
DSR-10-180-P
DSR-12-180-P
DSR-16-180-P
DSR-25-180-P
DSR-32-180-P
DSR-40-180-P
With hollow flanged shaft
10
12
16
25
32
40
33296
30654
30655
30656
30657
30658
DSRL-10-180-P-FW
DSRL-12-180-P-FW
DSRL-16-180-P-FW
DSRL-25-180-P-FW
DSRL-32-180-P-FW
DSRL-40-180-P-FW
DSR-…-P
DSRL-…-P-FW
2016/03 – Subject to change
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11
Semi-rotary drives DSR/DSRL
Accessories
Foot mounting HSR-…-FW
Material:
Steel
Dimensions and ordering data
For 
B1
B2
D1

[mm]
H13
10
12
16
25
32
40
1)
53.5
64
77
97
129
159
43
52
63
80
105
130
3.5
3.5
5.7
6.8
8.8
8.8
D2
D10
H1
H2
L1
L2
L3
N1
CRC1)
2
2
2
3
4
5
20
22
24
28
42
52
4
4
5
5
8
8
53
63
71
76
108
134
11
11
14
16
20
25
17
17
22
28
34
42
21
21
26.5
34
43
52
34
40
44
47
66
81
2
2
2
2
2
2
Weight
Part No.
Type
33317
30923
30924
30925
30926
30927
HSR-10-FW
HSR-12-FW
HSR-16-FW
HSR-25-FW
HSR-32-FW
HSR-40-FW
[g]
61
87
170
235
660
1040
Corrosion resistance class CRC 2 to Festo standard FN 940070
Moderate corrosion stress. Indoor applications in which condensation may occur. External visible parts with primarily decorative requirements for the surface and which are in direct contact with the ambient atmo­
sphere typical for industrial applications.
Flange mounting FSR
Material:
Aluminium
1 Max. length for centring spigot
Dimensions and ordering data
For 
B3
B4
[mm]
10
12
16
25
32
40
1)
12
28
31
35
40
56
72
46
54
62
76
100
120
D3

min.
D4
13
17
19
21
32
37
M3
M3
M4
M5
M6
M8
D5

H13
D6

H13
H3
3.4
3.4
4.5
5.5
6.6
9
6.5
6.5
8.5
10.4
12.4
16.4
7
7
8
8
12
14
L4
N2
R
CRC1)
max.
2
2
2
2.5
2.5
4
Weight
Part No.
Type
34480
14658
13236
13237
13238
14655
FSR-10
FSR-12
FSR-16
FSR-25
FSR-32
FSR-40
[g]
20
22
26.5
29
42
52
18
20.5
23.5
27
36
46
2
2
2
2
2
2
22
32
50
70
180
300
Corrosion resistance class CRC 2 to Festo standard FN 940070
Moderate corrosion stress. Indoor applications in which condensation may occur. External visible parts with primarily decorative requirements for the surface and which are in direct contact with the ambient atmo­
sphere typical for industrial applications.
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Subject to change – 2016/03
Semi-rotary drives DSR/DSRL
Accessories
Push-on flange FWSR
The permissible tightening torque
may not be exceeded when installing
the push-on flange FWSR on the drive
shaft.
Material:
Wrought aluminium alloy, anodised
Copper, PTFE and silicone free
Dimensions and ordering data
For 
B5
D4
D5

[mm]
H13
D7

f8
D8
D9
L5
L6
L7
Tightening
torque
[Nm]
CRC1)
10
12
16
25
32
40
11
14
16
20
28
36
30
35
40
50
60
70
12
15
17
23
28
38
22
25
28
38
48
60
3
3
5
8
10
11
1.6
3
3
3
4
5
0.7
1.2
1.2
5.5
5.5
5.5
2
2
2
2
2
2
1)
21
25
28
35
45
54
M3
M3
M4
M5
M6
M8
3.4
3.4
4.5
5.5
6.5
9
Weight
Part No.
Type
32798
14659
13239
13240
13241
14656
FWSR-10
FWSR-12
FWSR-16
FWSR-25
FWSR-32
FWSR-40
[g]
10
19
30
70
120
240
Corrosion resistance class CRC 2 to Festo standard FN 940070
Moderate corrosion stress. Indoor applications in which condensation may occur. External visible parts with primarily decorative requirements for the surface and which are in direct contact with the ambient atmo­
sphere typical for industrial applications.
2016/03 – Subject to change
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13
Semi-rotary drives DSR/DSRL
Accessories
Freewheel unit FLSR
Material:
Housing: Aluminium die-cast
Sleeve, shaft: Case-hardened steel
Seal, cap: Nitrile rubber
General technical data
Piston 
10
Design
Rotation angle
Applied radial load
Applied axial load
Max. torque
Frequency
Temperature range
Freewheel unit as attachment
Infinitely adjustable steps (independent of rotation angle)
52
77
160
30
50
100
0.7
1.3
2.7
3 Hz (-H- The load must be stopped externally!)
–10 … +60
[N]
[N]
[Nm]
[°C]
12
16
25
32
40
350
200
6.6
200
75
13.3
350
120
26.7
Direction of rotation
The freewheel unit blocks one of the
two possible swivel directions of the
DSM swivel module.
FLSM-…-R, right-hand (clockwise) rotation
FLSM-…-L, left-hand (counter-clockwise) rotation
1
1
1 Viewed towards drive shaft
14
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Subject to change – 2016/03
Semi-rotary drives DSR/DSRL
Accessories
Dimensions and ordering data
For 
B4
B5
B6
D1

g7
D3

h8
D4
D5

H13
D6
H4
H5
L6
L7
L8
L9
L10
6
8
10
12
16
20
20
25
24
28
42
52
–
M3
M3
M4
M5
M6
3.3
3.3
4.5
6.6
6.6
8.6
M3
M3
M4
M6
M6
M8
20
24
28
31
44
54
42.5
48.5
58
68.5
93
111
3.5
3.5
3.5
3.5
7.2
6
4.2
4.5
4.4
4.1
8.5
8
41.5
47.3
47
48
60
75
20.2
24.5
27.4
34
48.5
58
23
25
23.5
24
30
38
CRC2)
[mm]
10
12
16
25
32
40
38
42
50
60
83
96
45
49
60
75
98
114
38.5
41.5
50
60
83
96
For 
T1
T2
T3
T4
T5
Woodruff key1)
to DIN 6885
10
6.8
8
8
5
8
A2 x 2 x 12
2
165
12
8.8
9
8
5
9
A2 x 2 x 16
2
225
16
11.2
11
10
8
11
A3 x 3 x 18
2
340
25
13.5
14
12
11
14
A4 x 4 x 25
2
500
32
18
16
12
11
16
A5 x 5 x 36
2
1 140
40
22.5
21
15
11
21
A6 x 6 x 45
2
1 800
[mm]
1)
2)
Weight
Direction of rotation
Part No.
Type
left-hand
right-hand
left-hand
right-hand
left-hand
right-hand
left-hand
right-hand
left-hand
right-hand
left-hand
right-hand
33298
33299
30930
30929
15281
15280
13778
13730
15688
15687
19037
19036
FLSR-10-L
FLSR-10-R
FLSR-12-L
FLSR-12-R
FLSR-16-L
FLSR-16-R
FLSR-25-L
FLSR-25-R
FLSR-32-L
FLSR-32-R
FLSR-40-L
FLSR-40-R
[g]
included in scope of delivery
Corrosion resistance class CRC 2 to Festo standard FN 940070
Moderate corrosion stress. Indoor applications in which condensation may occur. External visible parts with primarily decorative requirements for the surface and which are in direct contact with the ambient atmo­
sphere typical for industrial applications.
2016/03 – Subject to change
è Internet: www.festo.com/catalog/...
15
Semi-rotary drives DSR/DSRL
Accessories
Mounting kit
WSR-10/12-K
for micro switch S-3-BE, S-3-BE-SW
Material:
Steel
Dimensions and ordering data
For 
B
H1
H2
L3
CRC1)
1
1
22.2
25.1
47
53
2
2
[mm]
Part No.
Type
33414
15686
WSR-10-K
WSR-12-K
[g]
10
12
1)
Weight
15
15
11
13
Corrosion resistance class CRC 2 to Festo standard FN 940070
Moderate corrosion stress. Indoor applications in which condensation may occur. External visible parts with primarily decorative requirements for the surface and which are in direct contact with the ambient atmo­
sphere typical for industrial applications.
Mounting kit
WSR-12 … 40
for micro switch S-3-E and micro stem
actuated valve S-3-PK-3-B,
SO-3-PK-3-B
Material:
Steel
Dimensions and ordering data
For 
B1
B2
B3
H1
H2
L2
L3
CRC1)
[mm]
12
16
25
32
40
1)
16
Weight
Part No.
Type
15684
14874
14796
14960
14961
WSR-12
WSR-16
WSR-25
WSR-32
WSR-40
[g]
5.8
10
12
12
12
23.4
26.5
29
29
29
4
4.5
2
2
2
1.5
1.5
1.5
1.5
1.5
23
29.8
38
49.2
68.7
14
19
24.5
40.5
52
79
84.5
90
107
118.5
2
2
2
2
2
12
23
26
29
32
Corrosion resistance class CRC 2 to Festo standard FN 940070
Moderate corrosion stress. Indoor applications in which condensation may occur. External visible parts with primarily decorative requirements for the surface and which are in direct contact with the ambient atmo­
sphere typical for industrial applications.
è Internet: www.festo.com/catalog/...
Subject to change – 2016/03
Semi-rotary drives DSR/DSRL
Accessories
Mounting kit
WSR-…-J
for proximity sensors SIEN-M8
WSR-…-J-M5
for proximity sensors SIEN-M5
Material:
Steel
Dimensions and ordering data
WSR-…-J
For 
B4
H3
H4
L4
L5
CRC1)
[mm]
Weight
Part No.
Type
[g]
16
25
32
40
13
13
13
13
1.5
1.5
1.5
1.5
35
43.1
54.3
76.3
52
52
64
80
27
34
48
60
2
2
2
2
12
17
18
24
14873
14799
14962
14963
WSR-16-J
WSR-25-J
WSR-32-J
WSR-40-J
WSR-…-J-M5
For 
B4
H3
H4
L4
L5
CRC1)
Weight
Part No.
Type
33413
15685
15931
15932
15933
15934
WSR-10-J-M5
WSR-12-J-M5
WSR-16-J-M5
WSR-25-J-M5
WSR-32-J-M5
WSR-40-J-M5
[mm]
10
12
16
25
32
40
1)
[g]
8
8
8
13
13
13
1
1
1
1.5
1.5
1.5
25.4
28.3
34.9
43
54.3
76.3
30
34
38
52
64
80
20
24.5
27
34
48
60
2
2
2
2
2
2
6
10
78
17
25
30
Corrosion resistance class CRC 2 to Festo standard FN 940070
Moderate corrosion stress. Indoor applications in which condensation may occur. External visible parts with primarily decorative requirements for the surface and which are in direct contact with the ambient atmo­
sphere typical for industrial applications.
2016/03 – Subject to change
è Internet: www.festo.com/catalog/...
17
Semi-rotary drives DSR/DSRL
Accessories
Electrical limit switch for end-position sensing
S-3-BE
S-3-BE-SW
S-3-E
3 wires
(0.75 mm2)
Screw connector
Contact rating
Operating voltage
Line current ohmic load
3 push-in connectors
(2.8x0.5 mm)
è Table below
250 V AC/250 V DC
–
–
Line current inductive load
–
–
6 A/250 V AC
0.25 A/250 V DC
2 A/250 V AC
0.1 A/250 V DC
Utilisation category
AC 12/DC 12 (ohmic load)
AC 14/DC 13 (inductive load)
Yes, as per EU Directive 73/23/EEC
IP40
IP67
–20 ... +85 °C
Housing, cover: black plastic
2g
16 g
Connection
The switching point may only be
exceeded by 0.5 mm in these electrical
limit switches. Actuation only vertical
to stem axis.
CE symbol
Protection class to EN 60 529
Temperature range
Material
Weight
IP00
–20 ... +80 °C
7g
S-3-BE, S-3-BE-SW
Test symbols:
S-3-BE:
VDE-ÜG, UL, CSA,
SEMKO
S-3-BE-SW: VDE, SEV, SEMKO,
BEAB
S-3-E:
VDE, ÖVE, SEMKO,
SEV, UL, CSA
Contact configuration:
Changeover switch
grey
black
blue
AC voltage
Voltage
[V] ~
12
24
60
110
220
Resistance load
[A]
6
3
1
0.5
0.25
S-3-E
12
24
60
110
220
250
DC
6
6
1
0.5
0.25
–
Inductive load
[A]
6
2
0.5
0.2
0.1
NC contact
black
grey
NO contact
black
AC
–
–
–
–
–
6
DC
6
6
0.5
0.2
0.1
–
AC
–
–
–
–
–
2
blue
Pneumatic limit valve for end-position sensing
S-3-PK-3-B/SO-3-PK-3-B
S-...
SO-...
18
The switching point is pressuredependent and deviates up to 0.8 mm
in the pressure range from 0 … 8 bar.
The switching point may only be ex­
ceeded by 0.5 mm. The valve must not
be used as a fixed stop and should
only be operated vertically to the
stem.
è Internet: www.festo.com/catalog/...
Connection
Nominal size
Standard nominal flow rate (1  2)
Pressure range
Actuating force at 6 bar
Temperature range
Materials
Weight
Barbed fitting for 3 mm plastic tubing
1.8 mm
60 l/min
–0.95 ... +8 bar
6N
–10 ... +60 °C
Plastic, brass
7g
Subject to change – 2016/03
Semi-rotary drives DSR/DSRL
Accessories
Electrical limit switch for end-position sensing
Micro switch
S-3-BE
3 Push-in connector
1 Switching point
2 Normal position
Micro switch with cable (splash-proof)
S-3-BE-SW
1 Switching point
2 Normal position
Micro switch
S-3-E
1 Switching point
2 Normal position
Ordering data
For 
Part No.
Type
[mm]
10 … 12
16 … 40
2016/03 – Subject to change
30648
30649
7347
S-3-BE
S-3-BE-SW
S-3-E
è Internet: www.festo.com/catalog/...
19
Semi-rotary drives DSR/DSRL
Accessories
Pneumatic limit valve for end-position sensing
Micro stem actuated valve
S-3-PK-3-B
SO-3-PK-3-B
1 Barbed fittings for 3 mm plastic
tubing
2 Switching point min.
Ordering data
For 
Design
1 (P) =
2 (A) =
3 (R) =
supply port
working or outlet line
exhaust
Part No.
Type
7843
10403
S-3-PK-3-B
SO-3-PK-3-B
Connection
Part No.
Technical data è Internet: sien
Type
Cable
Plug
Cable
Plug
150370
150371
150386
150387
SIEN-M5B-PS-K-L
SIEN-M5B-PS-S-L
SIEN-M8B-PS-K-L
SIEN-M8B-PS-S-L
Electrical connection, right
Cable length
[m]
Part No.
Technical data è Internet: nebu
Type
Straight socket, M8x1, 3-pin
Cable, open end, 3-wire
Angled socket, M8x1, 3-pin
Cable, open end, 3-wire
2.5
5
2.5
5
541333
541334
541338
541341
NEBU-M8G3-K-2.5-LE3
NEBU-M8G3-K-5-LE3
NEBU-M8W3-K-2.5-LE3
NEBU-M8W3-K-5-LE3
Material
Part No.
Technical data è Internet: grla
Type
Metal design
175041
193137
193138
193139
193142
193143
193144
193145
193146
193147
193148
GRLA-M3-QS-3
GRLA-M5-QS-3-D
GRLA-M5-QS-4-D
GRLA-M5-QS-6-D
GRLA-x-QS-3-D
GRLA-x-QS-4-D
GRLA-x-QS-6-D
GRLA-x-QS-8-D
GRLA-¼-QS-6-D
GRLA-¼-QS-8-D
GRLA-¼-QS-10-D
[mm]
Normally closed
Normally open
16 … 40
Ordering data – Proximity sensors, inductive
For 
Remarks
10 … 40
For mounting kit WSR-…-J-M5
16 … 40
For mounting kit WRM-…-J
Ordering data – Connecting cables
Electrical connection, left
Ordering data – One-way flow control valves
Connection
Thread
M3
M5
Gx
G¼
20
For tubing OD
3
3
4
6
3
4
6
8
6
8
10
è Internet: www.festo.com/catalog/...
Subject to change – 2016/03
Festo North America
1 Festo Canada
Headquarters
Festo Inc.
5300 Explorer Drive
0ississauga, O1
LW 5*
2 Montréal
5600, Trans-Canada
Pointe-Claire, QC
+95 1%6
3 Québec City
930, rue Watt11
Québec, QC
*1; *3
4 Festo United States
Headquarters
Festo Corporation
395 Moreland Road
+auppauge, 1<
11
5 Appleton
1orth 9 Tower 9iew Drive, Suite 1
Greenville, WI
59
7 'etroit
11 West Long Lake Road
Troy, MI
09
6 Chicago
5 W Algonquin - Suite 30
Arlington +eights, IL
60005
8 Silicon Valley
935 Southfront Road, Suite F
Livermore, CA
9550
Canadian Customers
Commercial Support:
Tel: 1 *O FESTO 1 3 3
Fax: 1 F; FESTO 1 393 3
Email: festocanada#cafestocom
Technical Support:
Tel:1 *O FESTO 1 3 3
Fax:1 F; FESTO1 393 3
Email: technicalsupport#cafestocom
USA Customers
Commercial Support:
Tel:1 00 99 FESTO 1 00 993 3
Fax:1 00 9 FESTO 1 00 93 3
Email: customerservice#usfestocom
Technical Support:
Tel:1 *O FESTO 1 3 3
Fax:100 9 FESTO1 00 93 3
Email: productsupport#usfestocom
SubMect to change
Internet: www.festo.com/us
C
Festo Regional Contact Center