Installation
5.2 Output-side connection
SITOP modular 1ph/2ph
Manual, 04.2018, C98130-A7548-A1-4-7629
35
At its output, the SITOP modular power supply provides an isolated (= non-grounded) SELV
output voltage (Safety Extra Low Voltage). The output of the power supply is no-load,
overload, and short-circuit proof. If an overload occurs, the electronic current limiting function
limits the output current to a maximum value (refer to Chapter Technical data (Page 37)).
Figure 5-2 Output connection (example, 6EP1334-3BA10 and 6EP1337-3BA00)
The output voltage is connected via the + and - terminals at the output of the power supply
(see Figure Output connection (example, 6EP1334-3BA10 and 6EP1337-3BA00)
(Page 35)). Ensure that the output cables are dimensioned correctly for the maximum output
current rms value and fused accordingly.
Note
If the safety concept of the plant or system specifies that the DC output circuit should be
grounded ( (PELV, Protected Extra Low Voltage)), then
it is permissible that the output
voltage of the SITOP power supply is grounded. In this case, ideally, the grounding at the
output should be directly connected from terminal "
-" of the power supply to a suitable
connection point of the protective conducto
r system (PE) of the plant or system.
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