Online UPS

EH5500 LV Series (AC:120V 1-3KVA)

ModelEH55 LV 1K, EH55 LV 1KS, EH55 LV 2K, EH55 LV 2KS, EH55 LV 3K, EH55 LV 3KS

Online UPS — High Frequency Single Phase Online UPS (1KVA/1KW / 2KVA/2KW / 3KVA/3KW)

At a glance

Rated Capacity: 1KVA/1KW / 2KVA/2KW / 3KVA/3KW
Output voltage: 100/110/115/120/127VAC

Series ranges may cover several models. Confirm your required configuration with our team.

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Applications

Backup Power / Critical Power (UPS)

Key features

Double-conversion online design with zero output transfer time.
DSP digital control for stable, reliable performance.
Active power factor correction (PFC) keeps input power factor close to 1.
Selectable output voltage: 100/110/115/120/127VAC.
Ultra-wide input voltage range — accepts voltages as low as 110V without switching to battery power.
LCD + LED real-time display with self-diagnosis for hidden faults.
Cold-start capability from battery without grid input.
Input frequency range of 40-70Hz, compatible with fuel generators.
AC input over/under-voltage, output overload and short-circuit protection.
Output power factor up to 1.0 with efficiency up to 95%.
Automatic recovery and reconnection when utility power returns.
Standard RS232 communication port for multifunction monitoring.

Specifications 37 details

Models	EH55 LV 1K, EH55 LV 1KS, EH55 LV 2K, EH55 LV 2KS, EH55 LV 3K, EH55 LV 3KS
Rated Capacity	1KVA/1KW / 2KVA/2KW / 3KVA/3KW
Input format	L+N+PE
Rated input voltage	100/110/115/120/127VAC
Voltage range	55~150VAC
Frequency range	50/60±6Hz (Default), ±10Hz (Settable)
Input power factor	≥0.99
Input total harmonic distortion	≤3% linear load ≤8% nonlinear load
Output format	L+N+PE
Output voltage	100/110/115/120/127VAC
Output accuracy	±1%
Output frequency	For on-line mode: follow current frequency, battery mode: 50/60Hz±0.1%
Output harmonic distortion	≤2% linear load; ≤5% nonlinear load (PF=0.8)
PF	1
Overload capacity	AC Mode:10min@102%~110% Load1min@110%~130% Load10s@130%~150% Load200ms@>150% LoadBattery Mode:10min@102%~110% Load1min@110%~130% Load10s@130%~150% Load200ms@>150% Load
Switch to battery mode	0ms
Switch to bypass	4ms
AC priority mode	Support
AC Mode (Full Load)	93.5%@110VAC / 95%@110VAC / 94%@110VAC
Battery Mode for without built-in battery (Full Load)	88.5%@36VDC / 91.5%@72VDC / 91.5%@96VDC
Battery Mode for with built-in battery (Full Load)	89.5%@24VDC / 92.5%@48VDC / 92.5%@72VDC
Battery type	Lead Acid Battery
Battery number	7Ah2/7Ah3 / 3 / 7Ah4/7Ah6 / 6 / 7Ah6/7Ah8 / 8
Chaging current	Built-in battery 1K-3K: 1A (Default) 1-2A (Adjustable) Without built-in battery 1KS-3KS: 5A (Default) 1-12A (Adjustable)
Charging mode	Two-stage/three-stage charging
LCD	2×8PIN/Pitch2.54mm, support 128-bit segment code, up to 4 buttons + 4 LEDs, can display operating mode / load / input / output, etc.
RS-232	Support: Windwos 2000/2003/XP/Vista/2008/7/Linux/Unix and MAC
USB	Windows Famlly & MAC
Intelligent slot(Optional)	SNMP/AS400 Relay Card/RS485
EPO (Optional)	Support
Operating ambient temperature	0~40℃
Operating environment humidity	20%~95% (no condensation)
Storage temperature	-15~60℃ (batteries: 0~40℃ )
Altitude	The elevation should not exceed 1000m, 1000m or above, up to 4000 m, reference IEC62040
Noise	≤45db
Dimensions (DWH) (mm)	395143222 / 455190330 / 455190330
Net Weight (kg)	9.5 / 5.5 / 19/23 / 5.5 / 27/31 / 10