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Connection example
The following connection example shows the connection of loads, e.g. lamps, for switching on/off via
the switch contacts of channels A, B, C, D, E and H.
Un ~ 230 / 400 V
Maximum current via the load terminals ≤ 20 A
Technical data
Power supply
KNX bus voltage
KNX bus current
KNX power loss (internal consumption)
Outputs (load relays)
Number of load relays
(bi-stable relays, potential-free)
Contact voltage
Rated voltage (at 50/60 Hz)
Contact current
Rated current, AC*
Maximum inrush current (t = 150 µs)
Maximum inrush current (t = 250 µs)
Maximum inrush current (t = 600 µs)
AC1 operation (cos∅ = 0.8)
AC3 operation (cos∅ = 0.45)
Fluorescent lamp load AX*
Service life
Mechanical lifespan
Siemens Switzerland Ltd
Building Technologies Division
International Headquarters
Theilerstrasse 1a
CH-6300 Zug
L1
L2
L3
N
I n
I = B16 A
n
I = B20 A
n
1L
2 3L
A
+
KNX+
KNX-
Siemens Switzerland Ltd 2019
Subject to change
I
I
n
n
4
5L
6
7L
8
9L
B
C
D
E
N 535D51
DC 24 V (DC 21...30 V)
20 mA
0.17 W
8
230 V AC
16/20 A
600 A
480 A
300 A
20 A
16 A
20 A
1,000,000 switch cycles
Update: http://www.siemens.com/gamma-td
DS01
I n
10
15L
H
January 2019
16
5 / 13
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