Samlex America SEC-4825BRM - Manual (Page 31)

30 | SAMLEX AMERICA INC. SAMLEX AMERICA INC. | 31
PARAMETER SPECIFICATION
NO OF MODULES - 5
AC INPUT
Input Voltage 120 VAC Nominal (+6% / -10%), 50/60 Hz
Input Current 20A @ 120 VAC
Peak Efficiency > 83%
Power Factor 0.74 at 25A load
DC OUTPUT
Output Voltage at Load Terminals No Load: 54.8V / 25A Load: 54.2V
Output Voltage at Battery
Terminals (Without battery)
No Load: 54.8V / 25A Load: 54.2V
Output Voltage at Battery
Terminals (With battery)
Actual battery voltage corresponding to
State of Charge; 54V to 54.6V when fully charged
Output Voltage Noise and Ripple Ripple: 200 mV Peak to Peak
Noise: 2V Peak to Peak
Continuous Output Current at
Load Terminals
25A (Without battery backup);
23A (With battery backup)
Maximum Charging Current at
Battery Terminals (Battery Backup)
Up to 2A (When battery is completely discharged
to Standing Voltage of 42.8V)
Output Current Limit at Load
Terminals
• 30A when no backup battery is connected
(External 25A Fuse F2 will blow after some time)
• Surge > 30A based on Time vs Current
Charateristics of 25A Fuse F2
Battery Charging/type of Charging Taper Type of Float Charging at 54V to 54.6V
Output Current Limit at Battery
Terminals (Battery Backup)
2A (When battery is completely discharged to
Standing Voltage of 45.4V)
Peak Efficiency 85% ± 5%
ExTERNAL
BACKUP BATTERY
Type & Voltage Lead Acid, 48V
Capacity 10Ah to 25 Ah
PROTECTIONS
Short Circuit, Overload External 25A Load Side Fuse F2 will blow
Over Voltage Regulated by PWM Controller
Over Temperature / Fan Failure
Alarm
Over temperature of PSM Heat sink or fan failure
activates buzzer & RED LED “Fan Failure”
Reversal of polarity on battery
terminals
External 25A Battery Side Fuse F1 will blow
COOLING Type Forced air circulation: 2 fans running all the time
BREAKER & FUSES
Internal Module Fuse
AC Input Breaker
250V, 4A
250V, 25A
External Battery Side Fuse (By User) 80V, 25A, Fast Acting
External Load Side Fuse (By User)
80V, 25A, Fast Acting
REMOTE
MONITORING
Type of Monitoring Opto Isolated, Open Collector/Open Emitter
Signalling (Max, 35V, 50 mA):
• ON status of 5 Power Supply Modules (PSM)
• Fan failure /over temperature
• AC input available
• Output Voltage & Current
Section 9 | Specifications
11001-SEC-4825BRM-0114.indd 31 14-01-07 1:15 PM