User Manual

Gamatronic Electronic Industries Ltd.
POWER
+
RM100,
3X208 V, User Guide, Release 2.7ys
33
5.4 Over-Current Protection
CAUTION!
To reduce the risk of fire, connect the UPS only to a circuit provided with
maximum branch circuit over-current protection as indicated in
Table 7, in accordance with the National Electric Code, NSI/NFPA 70.
ATTENTION !
Pour réduire le risque du feu, reliez l'onduleur seulement à un circuit équipé de
protection maximum de surintensité de circuit de branche comme indiqué au
Table 7, selon le code électrique national, au NSI/NFPA 70.
5.4.1 Ac wiring
Ensure that the lines into and out of the UPS have protective circuit breakers installed in
accordance with the ratings listed in Table 7 for your Power+ model.
The recommended wire size shown in Table 7 is based on a 100 kVA system. The required
circuit breaker sizes in Table 7 are based on the actual maximum power of the system in kVA.
Table 7: Required over-current protection
UPS POWER CAPACITY LINE
FIELD WIRE SIZE
AS PER UL *
REQUIRED EXTERNAL
CIRCUIT-BREAKER RATING
Ac input
Ac input bypass
10 kVA
Load
35 A
Ac input
Ac input bypass
20 kVA
Load
70 A
Ac input
Ac input bypass
30 kVA
Load
110 A
Ac input
Ac input bypass
40 kVA
Load
500 kcmils,
600 V,
75 °C copper wire
150 A