INPUT VOLTAGE (V) 60Hz
180
200
220
240
264
100
90
80
70
60
50
40
L
O
A
D (
%
)
AMBIENT TEMPERATURE (
℃
)
L
O
A
D (
%
)
-30
0
10
20
30
40
50
60
70
20
40
60
80
100
(VERTICAL)
fosc :65KHz
CIRCUIT
DETECTION
O.L.P.
EMI
FILTER
RECTIFIERS
&
FILTER
POWER
SWITCHING
FILTER
&
RECTIFIERS
+
V
BUS
-
V
+
V
-
V
I/P
CONTROL
O.V.P.
O.C.P.
FG
MODULE
&
CHOKE
Mechanical Specification
Mechanical Specification
Case No. KNX-20 Unit:mm
1
2
3
4
5
KNX bus termnials (Red :+, Black:-)
Reset button
Power ON (Green)
Reset (Red)
Ⅰ Ⅰ
>
max (Red)
ADMISSIBLE DIN-RAIL:TS35/7.5 OR TS35/15
3
5
6
Ancillary power termnials
K N X - 2 0 E - 6 4 0
Derating Curve
Static Characteristics
Block Diagram
5
8.
5
54.5
90
63.7
45.2
52.5
7.5
7.5
7.5
24.06
7.25
5
7.45
7.45
4
+V
+V
-V
L
N
-V
Reset
BUS 30VDC
5
6
1
3
BUS
without choke
without choke
1 standard unit (SU)=18mm
3SU
EIB
/
KNX
2
640
mA
KNX Power Supply
File Name:KNX-20E-640-SPEC 2022-08-05
