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Description:
The ESI 48/120V inverters are single phase, fan-cooled inverters. They convert -48 Vdc from power or backup
battery systems to an uninterruptible AC voltage. The outstanding dynamic performance matches the supply
requirements for state-of-the-art telecom equipment. The inverter is available in two sizes (1kVA or 2kVA), providing
a cost effective and reliable solution.
Features
• Standard 19” or 23” rack
• 1KVA/800W, 2KVA/1600W
• Selectable 100V/110V/115V/120V system output
• High efficiency
• Pure sine wave output
• Compact, lightweight modular design
• Bypass function
• RS-232 communication
• Optional SNMP Interface card
• User friendly LED and LCD display
Specification
General
Product name
ESI 48 / 120 V – 1k VA
ESI 48 / 120 V – 2k VA
Efficiency, at 120Vrms 83 %
Safety UL 60950
CAN/CSA-C22.2 No. 60950
EMI, radiated compliant with FCC Part 15 class A
Cooling Fan cooled
On/Off Switch Yes
MTBF 450K Hours
DC Input
Input voltage 40 … 60 V
dc
Rated current 25 A (1k VA) / 50 A (2k VA)
AC Input(Bypass)
Input voltage 100 / 110 / 115 / 120 V
rms
± 20 V
rms
Frequency 50 / 60 Hz ± 5 Hz
EMI, conducted compliant with FCC Part 15 class A
Output
Output voltage 100 / 110 / 115 / 120 V
rms
Voltage regulation ± 3 %
Frequency 50 / 60 Hz ± 0.2 Hz
THD 3 %: 100% liner load
5 %: 100% SPS load
Current, nominal 10 A
rms
(1kVA)
20 A
rm
(2kVA)
Crest factor 3 : 1
Mechanics
Width, overall 17.3” / 440 mm
Depth, overall 11.8” / 300 mm
Height, overall 3.5” / 88.0 mm
Weight 15.4 lb / 7 kg (1k VA); 17.6 lb / 8 kg (2
k
VA)
Environment
Operating temperature 0 ... + 45 °C
Relative humidity 20 ~ 90 %, non condensing
Altitude - 500 ~ 10000 feet
*Specifications are subject to change.
The ESI 48/120V Inverter