17
4.2.1.5. Output Connection
Please add four-pole (4-pole) circuit breaker (equivalent to UPS output breaker) to distribution
panel where the loads are to be connected. Connect the phase cable to
Output
L1-L2-L3
terminal
and the neutral cable to
Output
N
terminal. Neutral connection should be done directly.
For 3Phase-1Phase UPS;
L1-L2-L3 Terminals are short-circuited.
Battery fast fuses shall only be replaced with fuses of the same type and rating.
To enable the short circuit protection feature of the UPS, each load shall be supplied through
a separate circuit breaker chosen according to the load current. This may provide quick
disconnection of the short circuited load and maintain operation continuity of the other
loads. To obtain maximum protection, the rating of each individual load circuit breaker shall
have the minimum value, which is enough to carry the full load current continuously.
Make sure that all circuit breakers are at “0” position before starting with the installation.
Each load should be supplied through separate circuit breaker and the cable cross section
should be chosen according to the load current value.
Make sure that the UPS is not overloaded to provide a higher quality supply to the loads.
Содержание PDSP 33010
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