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10.0 Technical Specifications
Description
Capacity VA/Watts
Nominal Voltage
Frequency
Harmonic
Power Factor
Voltage Vac
Frequency
Transfer Time
Input (internal)
Overload
Protection
Short Circuit
(utility mode)
Short Circuit
(battery mode)
Type
Typical Recharge
Time
Typical Back-Up
Time (at full load)
ON Battery
Battery Low
Overload
Page: 20
SDU 500B
SDU 850B
INPUT
500/300
850/510
120 Vac
Total Harmonic Distortion, value 38�1%
Maximum Single Harmonic Distortion, value 31�3%
OUTPUT (Back-Up Mode)
120 V
PROTECTION
10A
UPS shutdown if overload exceeds 105% of nominal
at 20s,120% at 10s,130% at 3s; auto-recovery
In the event of dead short on the outputs of the UPS, input fuse will break�
Once the fuse opens, UPS goes to battery Mode and goes on
Battery Mode Short Circuit protection until OSCP is removed�
Retry until the short Circuit is removed or battery defect�
BATTERY
Sealed, maintenance-free, lead acid batteries
4:20min�
1:30min�
ALARM
Slow beeping every 10 seconds
Rapid beeping every second
Continuous beeping sound
Catalog Number
SDU 500B-5
500/300
50 or 60 Hz
0�6
Simulated sinewave
50 or 60Hz
Typical<8ms
8A
8 hours
4:20min�
SDU 850B-5
850/510
230 Vac
230 V
6�3A
1:30min�
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