Prag 4KVA-24V Pure Sine Wave Inverter-Wall Mount +AC/DC Cables


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4KVA – 24V Inverter – H

4KVA – 24V Inverter – H PRAG H-Series Pure Sine Wave Inverter / Charger

PRAG 4KVA – 24V 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.


PRAG 4KVA-24V 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-24V 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-24V 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.


  • The PRAG 4KVA-24V H-Series Inverter is Easy to Install and Easy to Operate. Furthermore, this inverter is also Easy to Solve
  • Likewise, it is also designed to Operate under Harsh Environment
  • The PRAG 4KVA-24V H-Series 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%


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, Narrow: 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
  • G.M 1: 14.1
  • G.M 2: 14.6
  • Sealed Lead Acid: 14.4
  • Gel Euro: 14.4
  • Open Lead Acid 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: 220Vac
  • Low Voltage Trip: 184V/140V±4%
  • Low Voltage Re-engage: 194V/150V±4%
  • High Voltage Trip: 253V/270V±4%
  • High Voltage Re-engage: 243V/260V±4%
  • Max Input AC Voltage: 280VAC
  • 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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