Uninterruptible power supply

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Power Inverter -The design of the Sine wave power inverter is integrated with the charger
- it also can be automatically in charge even power on

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EP3000 Series 1K-4KW Sinewave Inverter/charger AC120V (LCD)


Applied in the field of industrial process controls, battery charging requirements, personal computers, telecommunications, graphics displays, plating and gold recovery industries and wherever required in the commercial, telecoms, mining or industrial markets. Commercial Solar,   Recreational Vehicles,   Mobile Office,  Industrial Wind,   Boats,  Truck, & RV   Residential Solar,   Emergency Vehicles,    Residential Wind,   Fleet & Utility Vehicles,   Camping & Outdoors,  Renewable Newsletter.

Main Features:

Durable construction for long life under extreme environmental conditions
 Low idle current (around 1A) conserves energy when no loads are present
 Soft start capability for starting heavy loads
 Simplified controls with a snap-on cover that protects settings from being accidentally changed
 Better thermal performance allows full output power to 50°C (122°F) without de-rating
 High surge capacity starts more difficult loads and handles overload conditions reliably
 Durable powder coated, corrosion resistant steel chassis
 70-amp automatic three-stage battery charger (bulk, absorption, and float) and battery equalization with remote temperature sensor for increased performance
 Pure copper transformer inside and pure copper DC terninal port outsideDurable construction for long life under extreme environmental conditions


MODEL 100/110/120V Models
Power Levels crated at nominal inputs 1KW;2KW;3KW;4KW
Output Voltage 100V/110V/120VSelectable
Voltage Waveform Pure Sine wave
Crest Factor 3:1
Output Frequency Auto Select for 50/60Hz,47Hz ~55Hz for 50Hz nominal,56Hz ~ 65Hz for 60Hz nominal
Regulation (Nominal) ±20% typical of nominal voltage
Regulation(Battery mode) ±3% of selected output voltage (adjustable with the remote set-up software)
Transfer time (DC to AC) 10 ms
Over current protection Over load alarm level 100% ~ 120%
Over load shutdown level 120% ~ 190%
Nominal Voltage 100V/110V/120V Selectable
Input Frequency 40-80Hz, 50/60Hz auto-sensing
Efficiency (Normal mode) 95%
Noise Filtering Full time EMI/RFI filtering
Over current protection Re-settable over current protector:1KW~4KW
Voltage Range 100-127VAC
Features huge charge current, short time charging
Other features charge current adjustable:25% 50% 75% 100%
Battery type Lead-Acid 50Ah~500Ah (Recommended)
DC Voltage 1KW: 12Vdc
2KW: 12Vdc/24Vdc
Typical backup time up to external battery
Charging method battery charger (bulk, absorption,  float)
Maximum charging current 1000W 12V: 35A,2000W 12V:65A
2000W 24V: 35A,3000W 24V:45A
3000W 48V: 25A,4000W 48V: 35A
Average charging Quick charging mode:15.7V-54V maximum.
voltage for each battery Trickle charging mode:13.5V -52V


1.battery over voltage & under voltage protection
2.over temperature & overload protection. short circuit protection

Monitoring RS232 communication port
Rating voltage 12V / 24V / 48V
DC input range 12V model : 12 ~ 21Vdc;24V model : 24 ~ 42Vdc;48V model : 48 ~ 84Vdc
Charging method Constant voltage with current limiting by PWM control
Charging voltage 12V model:13.5Vdc;24V model: 27.0Vdc;48V model: 54.0Vdc
Power rating 12V model : 1000W/2000W (13.5Vdc @ 37A)
24V model : 1000W/2000W (27.0Vdc @ 37A)
48V model : 3KW/4KW (54Vdc @ 18.5A)
Protection DC input polarity protection, DC input short circuit protection( when battery is connected), DC output over current protection
Standard Interface port RS232 .
Optional Interface part remote control
Control panel LCD
Audible alarm Alarm on battery:Low battery & Battery over voltage
Alarm on abnormal operation:Over load, Short-circuit, & Over heat
Green mode function 1% to 14% of full load
(Auto-shut-off in blackout) The default setting is OFF.
Cooling fan control Auto on / off, controlled by temperature & operation mode
Operating Temperature Up to 1500 meters:0°C to 40°C (32°Fto 104°F)
Transit/storage Temp. -15°C to 55(5°F to 131°F)
Relative Humidity 5 - 95% non condensing
Operating Altitude 0 ~ 3000 meters
Quality control system ISO 9001
Appearance carton(mm)LxWxH 580*315*300
G.W(Kg) 1000W/18.2kg ;2000W/24.5kg ;3000W/28kg
carton(mm)LxWxH 755*319*288
G.W(Kg) 4000W/38kg


It converts DC power into AC power. EP series will automatically transfer to inverter and provide power when AC supply is interrupted unexpectedly. Once set up, all functions of the inverter/charger are fully automatic.

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