Description
🔌 VOLT MASTER MPPT 2.5kVA – Off-Grid Solar Inverter by Cognivolt
Power-Packed. Intelligent. Dependable Solar Power
The VOLT MASTER MPPT Series from Cognivolt offers a versatile and compact solution for efficient off-grid solar power. Available in sizes ranging from 1kVA to 10kVA, this line is engineered with advanced MPPT technology, a smart microcontroller-based control system, and high-efficiency output — ensuring you get maximum performance, reliability, and safety.
The 2.5kVA model (P0102501) is specially designed for medium-scale solar power applications, providing dependable output, real-time monitoring, and advanced protection features.
📘 Key Features
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Smart MPPT-based solar charger
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Pure sinewave AC output
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Advanced microcontroller-controlled performance
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User-configurable battery charging priority (Grid/Solar)
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Built-in LCD display for real-time parameters
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Overload, thermal & voltage protections
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Compact design with forced air cooling
⚙️ Technical Specifications (Model: P0102501 – 2.5kVA)
| Specification | Details |
|---|---|
| Rated Capacity | 2500VA |
| Nominal DC Voltage | 24V |
| Switching Element | MOSFET |
| Control System | Advanced Microcontroller |
| Battery Charging Priority | Selectable (Grid / Solar) |
| MPPT Solar Input Voltage | 45V – 100V DC |
| MPPT Max Charging Current | 40A |
| Solar Charging Current | 20A ±10A (Customizable) |
| AC Output Voltage | 220V ±10% |
| Output Frequency | 50Hz ±1Hz |
| Maximum Load Capacity | 2000W (Bulb) (±5%) |
| Output Waveform | Pure Sine Wave |
| Total Harmonic Distortion (Linear Load) | <3% |
| Total Harmonic Distortion (Non-Linear Load) | <5% |
| Isolation Transformer | Inbuilt |
| Overload Capability | >100% |
| Efficiency (Inverter Mode) | >85% |
| Changeover Time (Inverter to Grid) | <10 ms |
| Changeover Time (Grid to Inverter) | <20 ms |
🔌 Grid Input Specifications (UPS Mode – IT Load)
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Input Low Cut Voltage: 180V ± 5V
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Input Low Recovery Voltage: 190V ± 5V
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Input High Cut Voltage: 260V ± 5V
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Input High Recovery Voltage: 250V ± 5V
🛡️ Built-in Protections
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Overload Protection
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Battery High/Low Protection
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Output Short Circuit
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Reverse Battery Connection
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Overheat Shutdown @ 90ºC ±10ºC
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Frequency Deviation (Over/Under)
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Grid Input High/Low Cut-off
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Solar Input High Voltage Protection
📊 Real-Time LCD Monitoring
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Input Voltage & Frequency
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Battery Voltage & Charging Current
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Load Percentage
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Solar Voltage & Current
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Internal Temperature
🚨 Alerts & Status Indications
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Load Utilization (%)
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Grid Health Status (ON/Fail/High/Low)
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Battery Low Warning & Shutdown
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Inverter ON/OFF Status
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Overload Indicator
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Thermal Shutdown Warning
🧱 Construction & Environmental Ratings
| Parameter | Value |
|---|---|
| Enclosure Protection | IP20 |
| Operating Temperature | 0ºC to 45ºC |
| Humidity Resistance | Up to 95% RH (Non-condensing) |
| Cooling Mechanism | Forced Air Cooling |
| Noise Level | <55 dB (Measured at 1-meter distance) |
Note: Specifications are subject to change for product improvement or customization requirements without prior notice.
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