9
Green Power 2.0
60-80 kVA - Ref.: IOMMASGPXX06-EN 06
ENGLISH
2. INSTALLATION OF THE UNIT
2.5. ELECTRICAL
REQUIREMENTS
The installation and system must comply with national plant regulations.
The electrical distribution panel must have a protection and sectioning system installed for the input mains and auxiliary mains.
Use a differential switch (type B) installed on the mains power switch, which must be inserted upstream from the distribution panel.
The table below shows the input protection devices recommended for the correct installation of an individual UPS.
The maximum cable sizes allowed are also included in the table.
Size of input protection devices
Model
rating
Magneto-
thermal Input
(1)
Magneto-
thermal Aux.
Mains
(1)
Differential
input
(4)
Input/Output
cable
core size
Aux cable
core size
Battery cable
core size
Battery
protection
(3)
(kVA)
(A)
(A)
(A)
(mm
2
)
(mm
2
)
(mm
2
)
(A)
single
parallel
single
parallel
flexible
cable
rigid
cable
flexible
cable
rigid
cable
flexible
cable
rigid
cable
max
(2)
max
(2)
max
(2)
max
(2)
max
(2)
max
(2)
60
125
160
125
160
0,5
50
70
95
95
95
95
200 aR
80
160
200
160
200
0,5
50
70
95
95
95
95
200 aR
(5)
(1) Recommended magneto-thermal switch: four poles with intervention threshold curve C. It is necessary to use a D curve selective breaker if
an optional external transformer is used.
(2) Determined by the size of the terminals.
(3) Protection on the external battery cabinet.
(4) Caution! Use type B four-pole selective (S) circuit breakers. Load leakage currents are added to those generated by the UPS and during
transitory phases (power failures and power returns) short current peaks may occur. If loads with high leakage current are present, adjust
the differential protection. It is advisable in all cases to carry out a preliminary check on the earth current leakage with the UPS installed and
operational with the definitive load, so as to prevent the sudden activation of the above switches.
(5) Use 250aR for a battery cabinet with capacity exceeding 90 Ah.
The UPS is designed for transient overvoltages in category II installations. If the UPS is part of the building’s
electrical circuit, or is likely to be subject to transient overvoltages in category III installations, additional external
protection must be provided, either on the UPS or in the AC power supply network powering the UPS.
GENSET must support load variations from 0 to 100%.
WARNING!
As specified in 62040-3 Attachment 3: Non-linear Load Reference, in the event of three-phase non-linear loads
connected downstream of the UPS, the neutral current on the load can be 1.5 - 2 times higher than the phase current.
This must be considered when estimating the correct size of the output and the auxiliary neutral cables.
WARNING!
This is a product for commercial and industrial application in an industrial environment - installation restrictions or
additional measures may be needed to prevent interference.
IMPORTANT!
Protective earthing conductor (PE) must have sufficient current-carrying capacity.
The PE cable core size must be chosen according to the PROTECTIVE CURRENT RATING of the earth circuit which
depends on the provision and location of protective overcurrent devices. We suggest 35 mm
2
for GP80 and 25 mm
2
for the Green Power 2.0 using the protective devices in the above table.
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