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Parallel System
• Q1: Utility/mains input
• Q2: UPS output
• Q3: Manual bypass
• Q4: System output
• Q5: Static bypass input
Fuse and Breaker Sizes in Single Systems
10 kVA 15 kVA 20 kVA 30 kVA
Utility input Q1
35 A 60 A 80 A 110 A
Static bypass input
Q5
35 A 60 A 80 A 110 A
UPS output Q2 35 A 60 A 80 A 110 A
Manual bypass Q3
35 A 60 A 80 A 110 A
Fuse and Breaker Sizes in Parallel Systems
Q3 and Q4 in Parallel Capacity Systems
Units in parallel 10 kVA 15 kVA 20 kVA 30 kVA
2 70 A 110 A 150 A 225 A
3 110 A 175 A 225 A 350 A
4 150 A 225 A 300 A 450 A
Q3 and Q4 in Redundant Parallel Systems (n+1)
Units in parallel 10 kVA 15 kVA 20 kVA 30 kVA
2 35 A 60 A 80 A 110 A
3 70 A 110 A 150 A 225 A
4 110 A 175 A 225 A 350 A
6
MGE™ Galaxy™ 3500 10-30 kVA 208/220 V Single and Parallel Installation
990-1957C-001