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Versions
Several variants of the KL3403 are available.
Name
Comment
KL3403-0000
Standard version
KS3403-0000
KL3403-0026
Like KL3403-0000, but without EMC leakage capacitor between terminal
points 4/8 [} 29] and the grounding contact for the mounting rail.
KL3403-0010
Power measurement terminal with higher-capacity current circuits.
KS3403-0010
KL3403-0014
Power measurement terminal with 3 additional voltage circuits instead of
the current circuits. For connecting external shunts.
KL3403-0020
Power measurement terminal with more sensitive current circuits.
KL3403-0022
Power measurement terminal with 6 current circuits, otherwise like
KL3403-0020.
KL3403-0025
Power measurement terminal with more sensitive current circuits.
KL3403-0333
Power measurement terminal designed for usage with 333 mV
transformers.
Further details can be found in chapter Technical data [} 19].
2.2
LEDs
Fig. 3: LEDs
LED
No.: Display
K-Bus run
A
(green)
ERR L1 (red)
B
ERR L2 (red)
C
ERR L3 (red)
D
For pin assignment see Connecting the KL3403 [} 29].
KL3403
K-Bus data transfer
Voltage between L1 and N less than 10 V
*
(default
)
Voltage between L2 and N less than 10 V
*
(default
)
Voltage between L3 and N less than 10 V
*
(default
)
Version: 3.1.0
Product overview
Nominal value
1 A
1 A
5 A
60 mV
20 mA
20 mA
250 mA
max. 333 mV
(AC), via current
transformer xA /
333mV
*) For each channel the
undervoltage threshold value
can be modified with its register
R36 [} 54].
13
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