Siemens SQN72 Series User Manual

11/20
Smart Infrastructure CC1N7802en
8/11/2021
Technical data (continued)
Lifetime 250,000 start cycles (OFF  ON  OFF)
under load with the rated torque in the
entire rotation angle range.
Weight (on average)
Approx. 500 g
Permissible on time 60%, maximum 3 minutes without
interruption
Gear backlash between the actuator motor
and actuator shaft

Ex work
s
1.2° 0.3

After
250,000 cycle
s
1.5° 0.3°
Switching voltage
24
–
250
V
AC
Number of e
nd s
witches
2
Number of a
uxili
ary switches
Refer to
Type summary
Actuation Via camshaft, color-coded cam disks, refer
to
Connec
t
ion
diagrams
.
Engagement of the cam disks with fine
adjustment
Infinitely variable
Maximum permissible current load at cos  = 0.9:
(Values in bracket
s:
short
-
t
erm
peak
load
for max. 0.5 s)
 Circuit A
– Terminals 1, 2, 3, 8
– Terminals 4, 5
–
Terminals 6, 7
Max. 0.5 A
Max. 2 A (5 A)
Max.
1 A
(2 A)
 Circuit B
– Terminals 1, 2, 3, 8
– Terminals 4, 5
–
Terminals 6, 7
Max. 0.5 A
Max. 2 A (5 A)
Max.
1 A (
2 A)
 Circuit C
– Terminals 1, 2, 3, 4, 5
–
Terminals 6, 7, 8
Max. 0.5 A
Max.
1 A
(2 A)
 Circuit D
– Terminals 1, 2, 3, 8
– Terminals 4, 5
–
Terminals
6, 7, 9, 10, 11
Max. 0.5 A
Max. 2 A (5 A)
Max. 1 A (2 A)
 Circuit E
– Terminals 1, 2, 3, 4, 5
–
Termina
ls 6,
7
*)
, 8, 9, 10, 11
Max. 0.5 A
Max. 0.5
*) In case of modulating operation, fuel valve ‘BV2’ is replaced by a gas control valve ‘RV’
Please note!
When connecting a fuel valve: Max. 0.3 A, cosφ >0.8 inductive.
Safety
-
rel
evant
applications are only available with Siemens burner controls!
End switches and
auxiliary switches

Siemens SQN72 Series Specifications

General

Brand	Siemens
Model	SQN72 Series
Category	Controller
Language	English