Minimum breaker settings for 15 kva ups, Minimum breaker settings for 20 kva ups, Minimum setting of breakers for 30 kva ups – American Power Conversion 10-30 KVA User Manual
Page 20

Site Preparation – Operating Environment
14
Smart-UPS® VT 10-30 kVA, 208/220 V Site Preparation and Installation Manual
990-1598B
Minimum breaker settings for 15 kVA UPS
Note 1: For the output value, the short-circuit-level is indicated
Minimum breaker settings for 20 kVA UPS
Note 1: For the output value, the short-circuit-level is indicated.
Minimum setting of breakers for 30 kVA UPS
Note 1: For the output value, the short-circuit level is indicated.
Overload Event
Mains input
Bypass input
Output
Duration
Notes
Internal fault
2.5 kA
2.1 kA
14 kA
<10 ms
1
800% overload bypass
operation
–
333 A
333 A
500 ms
150% overload normal/
battery operation
–
–
63 A
30 s
125% overload normal/
battery operation
–
–
52 A
60 s
Continuously
51 A
46 A
46 A
∞
Overload Event
Mains input
Bypass input
Output
Duration
Notes
Internal fault
4 kA
3.4 kA
14 kA
<10 ms
1
800% overload bypass
operation
–
444 A
444 A
500 ms
150% overload normal/
battery operation
–
–
84 A
30 s
125% overload normal/
battery operation
–
–
70 A
60 s
Continuously
68 A
62 A
62 A
∞
Overload Event
Mains input
Bypass input
Output
Duration
Notes
Internal fault
5 kA
4.2 kA
14 kA
<10 ms
1
800% overload bypass
operation
–
667 A
667 A
500 ms
150% overload normal/battery
operation
–
–
125 A
30 s
125% overload normal/battery
operation
–
–
105 A
60 s
Continuously
102 A
92 A
92 A
∞