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5.2
Output-side connection
The SITOP PSU2600 3ph power supply provides at its output 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 (see Section Technical data (Page 27)).
Figure 5-2
The output voltage is connected via the "+" and "–" terminals at the output of the power
supply (see Figure Output (Page 25)). 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 conductor system (PE) of the plant or system.
SITOP PSU2600 3ph
Manual, 01.2018, A5E39263454-2-76
Output
Installation
5.2 Output-side connection
25
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