Table 1.2 Rating Of Bypass Input Circuit Breaker - Mitsubishi Electric 9900B Series Owner Technical Manual

MITSUBISHI
ELECTRIC
This UPS does not include a Bypass input circuit breaker (MCCB) to protect
the bypass circuit. The Bypass input circuit breaker (MCCB) is to be field
supplied and installed. The recommended Breaker (MCCB) Specifications are
as follows:

Table 1.2 Rating of Bypass Input Circuit Breaker

Capacity (kVA) Bypass Voltage (Vac) Bypass Rating (Aac)
300
500
750
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 1.6. ▲
▲ For other stored energy systems, refer to the attached supplement.
NOTE: The DC input overcurrent protection (Battery disconnect breaker)
hereinafter will be referred as "CB2."
This UPS functions with lead acid batteries. If a ▲ is seen, review the
supplemental materials for more information about the stored energy
system used.
MITSUBISHI ELECTRIC 9900B SERIES UPS
9900B SERIES UPS
OWNERS / TECHNICAL MANUAL
WARNING 4
480
480
480
Page Number:
Breaker (A)
361 500
601 800
902 1200
1-5