MBM INSTALLATION PLAN AND UNPACKING
Eaton 9395 Maintenance Bypass Module Installation and Operation Manual
S
164201719 Rev 3
www.eaton.com/powerquality
3-7
Table 3‐5. Input/Output Ratings and External Wiring Requirements for the
Eaton 9395 275 kVA MBM with Five Wire Bypass Input
Basic Unit Rating
Units
UPS Rating 50/60 Hz
kVA
225
275
Input and Output Voltage
Volts
480/480
480/480
AC Input to Maintenance Bypass with or without
Optional BIB
(dual-feed UPS)
(3) Phases, (1) Neutral, (1) Ground
A
Amps
271
331
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
3/0
(2)
250
(2)
AC Input to Maintenance Bypass with Optional BIB
(single-feed UPS)
(3) Phases, (1) Neutral, (1) Ground
A
Amps
300
370
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
3/0
(2)
250
(2)
AC Input to Maintenance Bypass with Optional
BIB and RIB
(dual-feed UPS)
(3) Phases, (1) Neutral, (1) Ground
A
Amps
300
370
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
3/0
(2)
250
(2)
AC Output from Optional RIB to UPS
(3) Phases, (1) Ground
B
Amps
300
370
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
2/0
(2)
4/0
(2)
AC Output from Optional BIB to UPS
(3) Phases, (1) Neutral, (1) Ground
C
Amps
271
331
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
3/0
(2)
250
(2)
AC Input from UPS t o MIS
(3) Phases, (1) Neutral, (1) Ground
D
Amps
271
331
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
3/0
(2)
250
(2)
AC Output to Critical Load
(3) Phases, (1) Neutral, (1) Ground
E
Amps
271
331
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
3/0
(2)
250
(2)
NOTE
Callout letters
A
,
B
,
C
,
D
and
E
map to Figure 5‐3 on page 5-5, Figure 5‐4 on page 5-6, Figure 5‐5
