
EXTERNAL BYPASS SWITCH INSTALLATION
Eaton FERRUPS FE/QFE UPS (500 VA–18 kVA) Installation Guide
S
164201403 Rev B
www.eaton.com/powerquality
36
QFE: 50 Hz 120 Vac Input and Output OR
FE: 60 Hz 120 Vac Input and Output OR
FE 1.15–3.1 kVA only: 60 Hz 220 Vac Input and Output (with single-voltage output)
For 220 Vac, use only a BBM switch.
Figure 8. FE or QFE 500 VA–3.1 kVA UPS with External Bypass Switch
Table 11. Minimum Recommended Circuit Breakers for 60 Hz 120 Vac
Charger
500 VA, 700 VA, and 850 VA
1.15 kVA
1.4 kVA
1.8 kVA
2.1 kVA
3.1 kVA
Standard
15
15
15
20
25
35
15A
20
20
40
45
50
Table 12. Input Current for 50 Hz 120 Vac - Size Overcurrent Protection According to Local Code
Voltage and Charger
500 VA
700 VA
850 VA
1.15 kVA
1.4 kVA
1.8 kVA
2.1 kVA
3.1 kVA
120V, Standard Charger
4.4A
5.8A
7.0A
8.4A
11A
15A
16A
24A
120V, 15A Charger
8.9A
11A
12A
13A
14A
27A
28A
35A