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BU
60
RE/BU
100
RE
67
C. Circuit block diagram
D. Related products
100 to 120 VAC
input
Noise
filter
Input
overcurrent
protection
Rectifier
(high power
factor
converter)
Charging
circuit
Charging
circuit
Power
supply relay
(self-holding)
Inverter
(sine wave)
“Power” switch
Control
circuit
Battery
Step-up
converter
Power
supply
output:
100 VAC
Capacity exceeded/error
During Line mode
During Battery mode
Output
switching
Commercial
power bypass
output
Noise
filter
Description
BU60RE
BU100RE
Replacement battery pack
BUB60RE
BUB100RE
Additional battery unit
-
BUM100RE
SNMP/Web card
SC20G
SC20G
Connection cable for Windows UPS service*
BUC26
BUC26