Description
🔌 VOLT MASTER MPPT Series – Off-Grid Solar Inverter by Cognivolt
Empowering Energy Independence with Smart, Compact & Reliable Solar Inverters
The VOLT MASTER MPPT Series from Cognivolt offers a robust range of high-performance off-grid solar inverters designed for long-lasting, efficient energy solutions. Available in 1kVA, 1.5kVA, 2.5kVA, 5kVA, 7.5kVA, and 10kVA variants, these inverters are engineered using advanced microcontroller technology and latest MPPT (Maximum Power Point Tracking) for optimal solar performance.
Each model is built to deliver pure sinewave output, intelligent battery management, and multiple layers of protection, making them ideal for residential, commercial, and remote installations.
📘 Key Features:
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High-efficiency MPPT solar charge controller
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Advanced microcontroller-based design
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Pure sinewave output for sensitive appliances
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Smart LCD display for system status and alarms
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Customizable charging profiles
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Selectable priority between Grid & Solar charging
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Robust safety protections and inbuilt transformer
⚙️ Technical Specifications (Model: P010100 – 1kVA)
| Parameter | Specification |
|---|---|
| Rated Capacity | 1000VA |
| Nominal DC Input Voltage | 24V |
| Switching Technology | MOSFET |
| Control System | Advanced Microcontroller |
| Battery Charging Priority | User-selectable (Grid / Solar) |
| Solar Input (MPPT) | 45V – 100V DC |
| Max MPPT Current | 40A |
| Solar Charging Current | 20A ±10A (Customizable) |
| AC Output Voltage | 220V ±10% |
| Output Frequency | 50Hz ±1Hz |
| Maximum Supported Load | 800W (Bulb) (±5%) |
| Output Type | Pure Sine Wave |
| THD – Linear Load | <3% |
| THD – Non-Linear Load | <5% |
| Isolation Transformer | Built-in |
| Overload Handling | >100% |
| Efficiency (Inverter Mode) | >85% |
| Changeover Time (Inverter → Grid) | <10 ms |
| Changeover Time (Grid → Inverter) | <20 ms |
🔌 Grid Input Parameters (UPS Mode – For IT Load)
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Low Cut Voltage: 180V ± 5V
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Low Recovery Voltage: 190V ± 5V
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High Cut Voltage: 260V ± 5V
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High Recovery Voltage: 250V ± 5V
🛡️ Protection Features
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Overload protection
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Battery under/over voltage protection
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Output short circuit protection
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Reverse polarity protection
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Over-temperature shutdown at 90ºC ±10ºC
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Over/under frequency protection
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High/low AC input protection
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High solar voltage cut-off
📊 LCD Display Parameters
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Grid voltage and frequency
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Battery voltage and charging current
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Load percentage
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Solar panel voltage and current
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Internal temperature
🚨 Display Alarms & Indicators
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Output load percentage
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Grid status (ON/Fail/High/Low)
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Battery low warning & trip
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Inverter ON/OFF
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Overload trip
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Overheat alarm
🧱 Build & Environment
| Specification | Details |
|---|---|
| Enclosure Protection | IP20 |
| Operating Temperature | 0ºC to 40ºC |
| Humidity | Up to 95% RH (Non-condensing) |
| Cooling Method | Forced Air Cooling |
| Noise Level | <55 dB at 1-meter distance |
Note: Specifications are subject to change without prior notice based on product improvements or customizations.
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