
Series
Standby UPS
Inverter Series
Emergency backup for frequent black out areas 
IS550 / IS1050 / IS1100LT / IS2200LT / IS3000LT / 
IS2000LR / IS2700LR / IS4000LR / IS5000LR / 
IS1100NT / IS1700NT / IS2500NT / IS3500NT /
UPS Series
Line Interactive 
Series
On Line UPS
IS1100NR / IS1700NR / IS2500NR / IS3500NR
IS550 / IS1050
Features
* Suitable for high inrush current power supplies 
* Fully digitized microprocessor control 
* LED indicators front panel 
* Short circuit, overload, over charge voltage, 
 over temperature protection 
Specifications
IS550 IS1050
Crest Factor 3:1
* IS550 / IS1050
* Cold Start 
* Up to 8A charging current 
* User selectable Narrow / Wide range input voltage 
* Auto charging when UPS is off 
* Overload shutdown, auto return to normal mode 
  after overload alarm is disabled
Front Panel
IS550 / IS1050
AVR Series
Inverter Series
Surge Series 
Simulated sine wave at 230 +/-10%(DC MODE)
MODE
Sine wave (AC MODE)
Inverter automatic shutdown in case of overload
Inverter output is immediately cut off 
Inverter cut-off
Rear Panel
IS550 / IS1050
Line 
Backup
ON / OFF / TEST 
Fault
Over heat
UPS OUTPUT
Narrow / Wide switch 
AC input
Circuit Breaker
Series 
Green Power
WEIGHT (NET/GROSS)
L x W xH
Series
Networking
(Physical/Packing)
Kg(lb)
1.6 (3.52 lb) / 1.9 (4.18 lb) 1.8 (3.96 lb) / 2.1 (4.62 lb)
(in)
(mm)
4.8x5.4x4.0 / 11.9x4.7x11.3
136x102x123 / 302x120x286
Fan
44.
Simulated 
Sine Wave
DC inlet