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Qoltec Solar MPPT Inverter for Electric Heating (4000W)

Manufacturer: Qoltec
Product Family: Solar MPPT Inverter

The Qoltec MPPT solar inverter is designed specifically for electric heating applications, including electric boilers, heaters, underfloor heating, and heating mats. With its high-efficiency MPPT controller (>99%), it optimizes solar power usage, ensuring stable and cost-effective heating. The inverter supports smart features such as Wi-Fi monitoring (Smart SWHS) and precise water temperature control (30-80°C) with an integrated temperature sensor.

Key Features

• Optimized for heating – Ideal for electric boilers, heaters, and underfloor heating.

• High MPPT efficiency (>99%) – Maximizes solar energy utilization.

• Wi-Fi connectivity (Smart SWHS) – Enables remote monitoring and control.

• Water temperature control (30-80°C) – Ensures efficient heating regulation.

• Passive cooling system – Ensures silent operation with no moving parts.

• Comprehensive protection – Short-circuit, overheating, and overload protection.

• IP65 rating – Dustproof and water-resistant for safe outdoor installation.

Technical Specifications

• Rated Voltage: 230V AC

• Rated Current: 20A AC

• Input Voltage Range (PV): 110 ~ 300VDC

• Maximum Solar Input Power: 3000W

• Maximum Load: ≤ 230V / 4000W

• MPPT Operating Voltage Range: 90 ~ 290VDC

• AC Heating Rated Power: 4000W

• MPPT Efficiency: >99%

• Output Voltage: 180 ~ 260VAC

• Output Frequency: 50Hz

Environmental and Safety Features

• Operating Temperature: -20˚C ~ +55˚C

• Storage Temperature: -20˚C ~ +55˚C

• Protection: Short-circuit, overheating, and overload protection

• IP Rating: IP65 (Dustproof and waterproof)

Physical Specifications

• Material: Aluminium

• Colour: White

• Dimensions (D/L x W x H): 258 x 190 x 85 mm

• Net Weight: 2.7 kg

• Gross Weight: 3.1 kg

Package Contents

• 1 × Solar inverter

• 1 × Connector set

• 1 × User manual

• 1 × Smart SWHS user manual

• 1 × Installation protocol

Certification & Warranty

• Certificate: CE