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MITSUBISHI
ELECTRIC
!
This UPS does not include a Bypass input circuit breaker (MCCB) to
protect bypass circuit. The Bypass input circuit breaker (MCCB) is to be
field
supplied
Specifications are as follows:
TABLE 1.2
Capacity
(kVA)
60
120
160
200
300
400
500
600
AC input and AC output overcurrent protection and disconnect devices shall be field
supplied and installed. The DC circuit breaker (MCCB) shall be field supplied and
installed. The overcurrent protection device should be installed in the Battery cabinet
and rated as indicated in TABLE 1.7.
Note: The DC input overcurrent protection (Battery disconnect breaker) hereinafter will
be referred as "72B".
WARNING
Risk of Voltage Backfeed
Before working on this circuit Isolate Uninterruptible Power System (UPS),
Then check for Hazardous Voltage between all terminals including the protective
earth
M9950 SERIES UPS
OWNERS / TECHNICAL MANUAL
WARNING 4
and
installed.
Rating of Bypass Input Circuit Breaker
AC Input (A)
Pf=0.9
125
225
300
400
630
800
1000
1250
WARNING 5
MITSUBISHI ELECTRIC M9950 SERIES UPS
Recommended
Breaker
DC Input (A)
Bypass Input
(A)
125
225
300
400
630
800
1000
1250
Page Number:
1-4
(MCCB)'s
Pf=0.9
200
300
400
500
800
1000
1250
1400
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