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| Specification Attribute | Technical Detail |
| Brand | Smarten |
| Series / Range | SUPERB MPPT Solar PCU Series |
| Model / Item Designation | SUPERB MPPT 4000 |
| Product Type | Heavy-Duty Pure Sine Wave Hybrid Solar PCU |
| Generic / Common Name | 3500VA Solar Inverter / 48V MPPT Solar PCU / Heavy Commercial Solar UPS |
| Power Rating / AC Load Capacity | 3500 VA / 2500 W Continuous AC Load Support (11.3A AC Output) |
| Operating DC Battery Voltage | 48 V DC (Requires 4 x 12V Batteries in Series) |
| Transformer Type | Heavy-Duty Transformer Design |
| Solar Charge Controller | 50A ± 3A MPPT (Maximum Power Point Tracking) |
| Maximum PV Open Circuit Voltage | 135 V |
| Maximum Solar Panel Capacity | Up to 3500 W (10 x 335W / 8 x 450W / 6 x 540W–600W Panels) |
| Output Waveform & Frequency | Pure Sine Wave | 50 Hz ± 0.1 Hz |
| Grid Charging Current | 15A DC ± 2A (Tubular / Lead-Acid) |
| Mains AC Input Window (W.UPS Mode) | 90V – 295V ± 10V AC (Active Smart Charging down to 90V) |
| Mains AC Input Window (UPS Mode) | 175V – 265V ± 10V AC (Recovery: 185V – 255V AC) |
| Battery Depth of Discharge (DOD) | Selectable 4 Levels: 20% (50V), 30% (48V), 40% (46V), 50% (44V) |
| Battery Low Voltage Cutoff | Warning at 43.2V ± 0.2V | Complete Cutoff at 41.6V ± 0.2V |
| Overload Protection | System Shutdown at 125% Load after > 60 Seconds |
| Operating Modes / Priority | Solar>>Battery>>Grid / Solar>>Grid>>Battery / Grid>>Solar>>Battery |
| Display Interface | Comprehensive Multi-Parameter LCD Display |
| Target Power Systems | Multi-Story Residences, Healthcare Facilities, Commercial Offices & Educational Institutes |
| Best Used For | 1.5HP Submersible Pumps, 1.5 Ton ACs, Deep Freezers, IT Workstations & Whole-Building Solar Backup |
Industrial Heavy-Duty Transformer & 50A MPPT: Combines a rugged copper transformer design with a 50A MPPT charge controller (135V), supporting up to 3500W of solar panels for peak energy harvesting.
Heavy Appliance & Inductive Load Capacity: Delivers 3500VA (2500W continuous output) pure sine wave power, effortlessly running 1.5HP submersible pumps and 1.5 Ton 5-Star air conditioners without motor strain.
3-Priority Intelligent Power Management: Offers customizable operating priorities (Solar/Battery/Grid, Solar/Grid/Battery, Grid/Solar/Battery) with a grid-charging disable option to drastically cut electricity bills.
Smart 4-Level DOD Battery Optimization: Features selectable Depth of Discharge thresholds (20%, 30%, 40%, 50%) between 44V and 50V to preserve battery chemistry while ensuring maximum backup reserve.
Comprehensive LCD Matrix & Wide-Voltage Charging: Multifunctional digital display tracks 18+ live parameters, backed by active smart charging down to 90V mains input and built-in deep discharge battery recovery.