EXTERNAL BYPASS SWITCH INSTALLATION
Eaton FERRUPS FE/QFE UPS (500 VA–18 kVA) Installation Guide
S
164201403 Rev B
www.eaton.com/powerquality
30
Table 9. External Bypass Switch Wiring Diagrams
Model (Frequency)
UPS Input Voltage
UPS Output Voltage
Bypass Switch Type
Wiring Diagram
FE 500 VA–3.1 kVA
(60Hz)
120
120
MBB or BBM
Figure 8 on page 36
208 or 240
120/208 or 120/240
MBB or BBM
For 208V, use BBM only
Figure 9 on page 37
208 or 480 source*/
240 input
120/240
MBB or BBM
Figure 10 on page 38
QFE 500 VA–3.1 kVA
(50 Hz)
120
120
MBB or BBM
Figure 8 on page 36
220, 230, 240
220, 230, 240
MBB or BBM
Figure 11 on page 39
FE 1.15 kVA–3.1 kVA
(60 Hz)
220
220
BBM
Figure 8 on page 36
FE 4.3–18 kVA (60 Hz)
120
(4.3–7 kVA only)
120
MBB or BBM
Figure 12 on page 40
208 or 240
120/208 or 120/240
MBB or BBM
For 208V, use BBM only
Figure 13 on page 41
208 or 480 source*/
240 input
120/240
MBB or BBM
Figure 14 on page 42
220**
220
BBM
Figure 15 on page 43
QFE 4.3–18 kVA (50 Hz)
220, 230, or 240
220, 230, or 240
MBB or BBM
Figure 15 on page 43
*With a step-up or step-down transformer.
**Contact your service representative for (a) single-phase installations that do not have the same input and output
voltage, or (b) split-phase installations that require 220 Vac.
