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Siemens RDF302 Basic documentation CE1P3079en
Smart Infrastructure 2022-06-17
2.5 Equipment combinations
Cable temperature sensor or
changeover sensor
cable length 2.5 m
NTC (3 k at 25 °C)
Room temperature sensor
NTC (3 k at 25 °C)
Cable temperature sensor
cable length 4 m
NTC (3 k at 25 °C)
Condensation monitor / Dew point
monitor
QXA2601 /
QXA2602 /
QXA2603 /
AQX2604
Electromotoric ON / OFF actuator
Electromotoric ON / OFF valve and
actuator
(only available in AP, UAE, SA and IN)
Zone valve actuator
(only available in AP, UAE, SA and IN)
Thermal actuator (for radiator valves)
Thermal actuator
(for small valves 2.5 mm)
Electrical actuator, 3-position
(for radiator valves)
Electrical actuator, 3-position
(for 2- and 3-port valves / V…P45)
Electrical actuator, 3-position
(for small valves 2.5 mm)
Electrical actuator, 3-position
(for small valves 5.5 mm)
Electrical actuator, 3-position
(for small valves 5.5 mm)
Electromotoric actuator, 3-position
(for small valves 5.5 mm)
For the maximal number of actuators in parallel, refer to information in the data
sheets of the selected actuators and to this list, depending on which value is lower:
• Parallel operation of max 6 SS… actuators (3-pos) is possible.
• Parallel operation of max 10 ON / OFF actuators is possible.
• Parallel operation of SQS35 is not possible.
Changeover mounting kit
(50 pcs / package)
Plastic mounting spacer for flush
mount thermostats to increase the
headroom in the conduit box
by 10 mm