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Siemens RDF800KN.., RDF800KN/VB, RDD810KN/NF Basic documentation CE1P3174en
Smart Infrastructure 2020-02-21
8. Technical data
Power supply
Rated voltage AC 230 V
Overvoltage category III
Frequency 50/60 Hz
Power consumption Max. 6.0 VA/2.1 W
Caution
No internal fuse!
External preliminary protection with max C 10 A circuit breaker required in all cases.
Outputs for
RDF800KN..,
Fan control Q1, Q2, Q3-N
Rating min. and max. res (ind.)
AC 230 V
Min 5 mA, max. 5(2) A
Fans must NOT be connected in parallel!
Connect one fan directly, for additional fans, one
relay for each speed.
Control output Y1-N/Y2-N (NO)
Rating min. and max. resistive (inductive)
Total load current through terminal "L" (Qx+Yx)
AC 230 V
Min 5 mA, max. 5(2) A
Max. 7 A
Outputs for
RDD810KN/NF
Control output Q11, Q12, Q14 (SPDT)
Rating min. and max. resistive (inductive)
AC 24…230 V
Min 10 mA, max. 5(2) A
Caution
No internal fuse!
External preliminary protection with max C 10 A circuit breakers in the supply line
required in all cases.
Inputs Multifunctional input X1-M/X2-M
Temperature sensor input:
Type
Temperature range
Cable length
Digital input:
Operating action
Contact sensing
Parallel connection of several thermostats
for one switch
Insulation against mains voltage (SELV)
See section 2.6
0...49 °C
Max. 80 m
Selectable (NO/NC)
SELV DC 0...5 V/max. 5 mA
Max. 20 per switch
4 kV, reinforced insulation
Function of inputs:
External temperature sensor, heating/cooling
changeover sensor, window contact, presence
detection, dew point monitor contact, enable
electric heater contact, fault contact, monitoring
input
Selectable
X1: P38
X2: P40
KNX bus Interface type KNX, TP1-64
(electrically isolated)
Bus current 5 mA
Bus topology: See KNX manuals (“Reference documentation”)
STOP
Note!