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UTL Heliac Solar Inverter 3550 – 50A/24V

Key Features

Preference to Solar Power over Grid Power

Home PCU gives first priority to Solar power over Grid power during charging. It means that when Solar power is available, the batteries will be charged through Solar Power whether Grid Power is available or not. It goes to Grid power only when Solar Power is unavailable. Thus it helps in reducing electricity costs along with keeping the environment clean.

Can be operated without Solar Panel

Home PCU can be operated with or without Solar Panel. The user can use Home PCU as a regular inverter without bothering about use of solar power. Whenever the user feels that solar power would be beneficial, he/she has to just install a Solar Panel and then derive the benefits of Solar Power.

Any Battery Option

Home PCU from the house of UTL has the intelligent feature to recognize the type of battery connected to it. It may be an ordinary battery or a branded one, a tubular battery or a sealed one. No matter what the type, it auto adjusts the battery’s charging characteristics accordingly. Even those batteries which cease to go over 13.5V after a while of use work flawlessly with UTL’s Home UPS.

Extensive Electronic Protections

There are a number of protections that the Home PCU ensures. It stops reverse current flow from battery to solar array, it provides load short circuit protection, and it provides Battery/Panel reverse protection through DC fuse and Overload protection also.

Affordable and easy to install

Home PCU is extremely easy to install and is available at a very low budget. It also helps in reducing the electricity costs. This means double advantage for the customer. Thus, it is an ideal product for present day and age.

Compatible with IT Load

IT loads which provide protections to IT instruments like computers, printers etc. In IT mode the change over time is very less so that there should not be any kind of breakdown in power supply.

Operating Mode Selection

PCU Mode – Priority Solar →Battery → Grid
Smart Mode – Priority Solar → Grid → Battery
Hybrid Mode – Priority for load Grid →Solar →Battery,
Priority for battery charging Solar → Grid

Compatible with DG as an input Source

The frequency of DG output is a very vital parameter that always varies. And if the system is in DG enable mode then the system will be compatible to take any of the frequency as the input source frequency.


System Rating3550/50A
Operating DC Voltage24V
Nominal Grid Voltage230V
Battery Low Buzzer10.8V
Battery Low Cut10.5V
Battery High Cut16.5V
Grid Charging Voltage (Equalize)After 30Days
Grid Charging Current12A/15A
Grid Reconnect @ Battery Voltage11.8V
Output Phase1 Phase
Nominal Output Voltage220V±8%
Max. Output Current6.8A
Nominal Frequency50Hz±1%
Output WaveformSine wave
Typical Efficiency≥85%
Maximum PV Power Recommended(315W/320W/325W)x6
Solar current max50A
Solar current min>3A (Below 3A, System will act like Solar Absent)
ProtectionOverload, Battery Low, Battery High, Output Short, Battery Reverse, Over Heat, Over frequency, Under Frequency, SPV High.
LED IndicationSystem ON, (IT Mode, SMF/TUB, Boost Chg., DG Mode, Grid Chg.) Enable/Disable.
SwitchesReset for System ON/OFF, UP, Down, Back, Enter(For LCD Calibration)
Standard ComplianceIP20
Dimension L x W x H450x340x385 mm
BRAND:UTL (Fujiyama Power Systems Pvt Ltd)
SALES ENQUIRE CONTACT          : 8762607476
SERVICE CENTRE NAME                                : SL ELECTRONICS
SERVICE CENTRE CONTACT NUMBER     : 0824 4114138, 7795214858
Toll Free No  (All India Service)                                                        8510 885 885 

MRP : Rs 31000.00

Discounted Price : Rs 27900.00