Filter
Top Products
When sizing the upstream circuit breakers, the parameters presented below must be taken into account:
Time/current curves for UPS input and output fuses:
UPS short-circuit current with inverter coupled and By-pass AC source out of tolerances
Line Current Values
Rated power of
each UPS unit
Continuous input
current at V=480V
Input current at
V=480V overload
= 1.25 In limited to
10 min.
Input current at
V=480V overload
= 1.5 In limited to
1 min.
Input/output fuse
ratings
40KVA 48 A 60 A 72 A 160 A
50KVA 60 A 75 A 90 A 160 A
60KVA 72 A 90 A 108 A 160 A
80KVA 96 A 120 A 144 A 160 A
100KVA 120 A 150 A 180 A 315 A
130KVA 156 A 195 A 234 A 315 A
Sn 40KVA 50KVA 60KVA 80KVA 100KVA 130KVA
In 48 A 60 A 72 A 96 A 120 A 156 A
Limitation 230 A 230 A 230 A 260 A 435 A 435 A
40-80 kVA: 160A
100-130 kVA: 315A
I (A)
t (s)
10 10
2
10
3
10
4
10
10
-1
1
10
2
10
-2
10
3
10
-3
10
4
10
-4
MGE Galaxy 5000
AppendicesA — 2 86-174010-00 B00