Gamma plus 3KVA / 24V rMPPT Offgrid Solar PCU


UTL Gamma Plus PCU is a Solar Power Conditioning Unit (PCU) which uses Solar energy (primary) and also the power from the grid (secondary), to charge the batteries.

Since the usage of power from the grid is secondary, grid power is only used when solar energy is not present and the battery voltage level reduces to a certain level.

Grid power is also needed when solar power is reduced to a certain level and battery voltage is reduced to a certain level.

GAMMA PCU has the following advanced features like DSP base design built-in MPPT solar charge controller.

Most advanced LCD features. , Maximum preference for solar. Smart PCU, Capability of 100% panel rating.

Compatible with all PV arrays having different no. of cells,  High-efficiency MPPT and Inverter.

● Controller based Design, Pure Sine Wave with 100% Tracking of Solar Panel, Built in r-MPPT Charge Controller.
● Multi-Color LCD Display.
● All Parameters Selected.
● Freq.: – Available – 50Hz & 60Hz.
● Multi Charging Stage (Bulk, Absorption & Float)
● Solar Priority of Load & Battery Charging.
● Preference to Solar Power Over Grid Power.
● Pure Sine Wave Output.

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Description Particulars
Solar PCU Capacity 3KVA 24V
Input Voltage Range (min-max) 30-106 VDC
Maximum PV Power Recommended 2160W
Types of Charger PWM with MPPT
Charge Controller Peak Efficiency 94%
Battery Low Buzzer 10.2V
Battery Low Cut 10.0V
Battery High Cut 15.5V
Battery Charging Voltage by SPV 14.5V
Battery Charging Current by SPV 18A
Battery Charging Voltage by GRID 14.2V
Battery Charging Current by GRID 10A
Grid Low Cut Voltage ( IT Load Disable/Enable) 120/175V
Grid High Cut Voltage ( IT Load Disable/Enable) 280/255V
Inverter Nominal Output Voltage 230VAC
Output Supply Phase 1 phase, 3 wire
Output Waveform Sine wave
Nominal Frequency 50.0 HZ
Load Current 9 A
Inverter Peak Efficiency >88%
Protections Overload, Battery low, Battery high, Output low, Output high, Output Short Circuit, Overheat, Under Frequency, Over Frequency, Solar panel reverse
Display Parameters Battery Voltage, Charging Current, Discharging Current* Solar Voltage, Solar Current, Instantaneous Power, Grid Voltage, I/P Frequency Output Voltage, Output Load% O/P Frequency Grid, Inverter & SPV Charger Status
Switches Reset for System ON/OFF, up, Down, Back, Enter (for LCD Configuration)
Indications System ON, Inv. ON, SPV Charging, Grid Charging, Battery Low/High, Overload, Overheat, Mains Low, Mains High, Under frequency, Over frequency, (IT Mode, Grid Charging, NLSD, Boost Charging, DG Mode)Enable/Disable*
Max Relative Humidity @25*C (non condensing) 95%
Weight 27KG
Dimension (L X W X H) 340 X 305.5 X 360 mm

Additional information

Weight 39 kg
Dimensions 45 × 25 × 43 cm


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