4KVA – 48V Inverter – H

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4KVA – 48V Inverter – H PRAG H-Series Pure Sine Wave Inverter / Charger

PRAG 4KVA – 48V Inverter H-Series Pure Sine Wave Inverter is a Durable and Fast Charging Inverter that combination of an inverter, battery charger and AC auto-transfer switch into one complete system with a peak conversion efficiency of 88%.

So, it is packed with unique features and it is one of the most advanced inverter/chargers in the market today.

Buy through any of the following:

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PRAG 4KVA-48V H-Series (Pure Sine Wave) Inverter / Charger is a combination of an inverter, battery charger and AC auto-transfer switch into one complete system with a peak conversion efficiency of 88%.

So, PRAG 4KVA-48V H-Series Inverter is packed with unique features and it is one of the most advanced inverter/chargers in the market today.

Furthermore, the PRAG 4KVA-48V H-Series Inverter features power factor correction, sophisticated multi-stage charging and pure sine wave output with unprecedentedly high surge capability to meet demanding power needs of inductive loads without endangering the equipment.

Subsequently, PRAG H-Series Inverter is equipped with a powerful charger of up to110Amps (depending on model). The overload capacity is 300% of continuous output for up to 20 seconds to reliably support tools and equipment longer.

PRAG 4KVA-48V H-Series Inverter Features

  • The PRAG 4KVA-48V H-Series Inverter is Easy to Install and Easy to Operate. Furthermore, this inverter is also Easy to Solve
  • It is also designed to Operate under Harsh Environment
  • The Inverter comes with the ability to do a DC Start and Automatic Self-Diagnostic Function
  • It is Compatible with Both Linear and Non-Linear Load
  • Low DC Voltage Supports Home and Office Appliances on the inverter
  • With this PRAG Inverter, you can enjoy Powerful Charge Rate Up to 120Amp, Selectable From 0%-100%
  • High Efficiency Inverter Design and “Power Saving Mode” to Conserve Energy
  • Battery Priority Mode, Designates the Inverter-Preferred UPS Configuration
  • 13 Vdc Inverter Battery Recover Point, Dedicated for Renewable Energy Systems
  • 8 pre Set Battery Type Selector plus De-sulphation for Totally Flat Inverter Batteries
  • 4-step Intelligent Battery Charging, PFC (Power Factor Correction) for Charger
  • 8 ms Typical Transfer Time Between Utility and Inverter Battery, Guarantees Power Continuity
  • 15s Delay Before Transfer when AC Resumes, Protection for Load when Used with Generator
  • Battery DOD(Depth of Discharge)setting from 50% to 100%

Buy this product through any of the following:

  • Telephone Order – Call 0803 2170 129
  • PRAG Showrooms (Lagos, Port Harcourt or Abuja) Click Here
  • Order from KONGA Click Here
  • Order from JUMIA Click Here

Price Options

4KVA-48V -H + AC/DC Cables = N258,500

4KVA-48V-H + AC/DC Cables + Installation + AVS = N302,000

4KVA-48V-H+ AC/DC Cables + Installation + AVS + 4 Batteries*

  • + Standard Battery = N856,000
  • + Premium Battery = N969,500
  • + Premium Plus Battery = N890,000

4KVA-48V-H+ AC/DC Cables + Installation + AVS + 4 Batteries + Rack

  • + Standard Battery = N901,900
  • + Premium Battery = N915,400
  • + Premium Plus Battery = N935,900

4KVA-48V-H+ AC/DC Cables + Installation + AVS + 4 Batteries + Rack + 8 Mono Solar Panels

  • + Standard Battery = N1,848,500
  • + Premium Battery = N1,862,000
  • + Premium Plus Battery = N1,882,500

4KVA/3KW-48V WITH RCC + AC/DC Cables + Installation + AVS + 4 Batteries + Rack + 8 Mono Solar Panels + Remote Meter

  • + Standard Battery = N1,858,500
  • + Premium Battery = N1,872,000
  • + Premium Plus Battery = N1,892,500

Standard Battery = 12V|200AH PRAG AGM Standard Battery
Premium Battery = 12V|200AH PRAG AGM Premium Battery
Premium Plus Battery = 12V|200AH PRAG AGM Premium + Battery


Inverter Output
Model PT-INV-4KVA 24V-Color LED, Wall-H
Continuous Output Power 3000W
Surge Rating(20s) 9000W
Capable of Starting Electric Motor 3HP
Output Waveform Pure Sine wave/Same as input(Bypass mode)
Nominal Efficiency >88%(Peak)
Line Mode Efficiency >95%
Power Factor 0.9-1.0
Nominal Output Voltage rms 100-110-120Vac / 220-230-240Vac
Output Voltage Regulation ±10% RMS
Output Frequency 50/60Hz ± 0.3Hz
Short Circuit Protection Yes, Current Limit Function (Fault after 1sec)
Typical transfer Time 10ms(Max)
THD < 10%
DC Input
Nominal Input Voltage 12.0Vdc
( *2 for 24Vdc, *4 for 48Vdc)
Minimum Start Voltage 10.0Vdc
Low Battery Alarm 10.5Vdc / 11.0Vdc
Low Battery Trip 10.0Vdc / 10.5Vdc
High Voltage Alarm & Fault 16.0Vdc
High DC Input Recovery 15.5Vdc
Low Battery voltage recover 13.0Vdc
Idle Consumption-Search Mode < 25 W when Power Saver On
Input Voltage Range Wide: 90~135VAC / 164~243VAC
Narraw: 100~135VAC / 194~243VAC
Input Frequency Range Narrow: 47-55±0.3Hz for 50Hz, 57-65±0.3Hz for 60Hz
Wide:43±0.3Hz plus for 50Hz/60Hz
Output Voltage Depends on battery type
Charger Breaker Rating 30A
Max Charge Rate 30 ± 5A
Over Charge Protection Shutdown 15.7V for 12Vdc ( *2 for 24Vdc, *4 for 48Vdc)
Charger curve(4 stage constant current)
4 step digital controlled progressive charge
Battery types ( *2 for 24Vdc, *4 for 48Vdc)
Battery type Fast Vdc
Gel U.S.A 14.0
A.G.M 1 14.1
A.G.M 2 14.6
Sealed Lead Acid 14.4
Gel Euro 14.4
Open Lead Acid 14.8
Calcium 15.1
De-sulphation 15.5 for 4hrs
Remote Control Yes. Optional
Bypass & Protection
Input Voltage Waveform Sine wave (Grid or Generator)
Nominal Voltage 120Vac
Low Voltage Trip 80V/90V±4%
Low Voltage re engage 90V/100V±4%
High Voltage Trip 140V±4%
High Voltage re engage 135V±4%
Max Input AC Voltage 150VAC
Nominal Input Frequency 50Hz or 60Hz (Auto detect)
Low Freq Trip Narrow: 47±0.3Hz for 50Hz, 57±0.3Hz for 60Hz
Wide:40±0.3Hz for 50Hz/60Hz
Low Freq re engage Narrow: 48±0.3Hz for 50Hz, 58±0.3Hz for 60Hz
Wide:42±0.3Hz for 50Hz/60Hz
High Freq Trip Narrow: 55±0.3Hz for 50Hz, 65±0.3Hz for 60Hz
Wide: 70±0.3Hz for 50Hz/60Hz
High Freq re engage Narrow: 54±0.3Hz for 50Hz, 64±0.3Hz for 60Hz
Wide: 68±0.3Hz for 50Hz/60Hz
Output Short circuit protection Circuit breaker
Bypass breaker rating 30A
Transfer switch rating 40amp for UL
Max bypass current 40amp
Mechanical Specification
Mounting Wall mount
Inverter Dimensions(L*W*H) 670*350*300mm
Inverter Weight 17KG
Shipping Dimensions(L*W*H) 585x320x310mm
Shipping Weight 20KG
Display Status LEDs / Status LEDs+LCD
Standard Warranty 1 Year


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