Emerson 7400 - Manual (Page 14)

5
Series 7400 Single Phase 1+N UPS
Figure 3A: Power Isolator identification for 230V output system
10/ 40 kVA 50 kVA
60/ 80 kVA 105 kVA
I2
Output
Isolator
I3
Maintenance
Bypass
Isolator
I4
Static
Bypass
Isolator
I1
Input
Isolator
830 830
I4
Output
Isolator
I3
Maintenance
Bypass
Isolator
I2
Static
Bypass
Isolator
I1
Input
Isolator
I4
Output
Isolator
I3
Maintenance
Bypass
Isolator
I2
Static
Bypass
Isolator
I1
Input
Isolator
900 900
I4
Output
Isolator
I3
Maintenance
Bypass
Isolator
I2
Static
Bypass
Isolator
I1
Input
Isolator
1400 1400
I4
Output
Isolator
I3
Maintenance
Bypass
Isolator
I2
Static
Bypass
Isolator
I1
Input
Isolator
1250 1250