Hober 3.7 kW 1-Phase Solar Pumping Inverter

Power your pump with intelligence and solar efficiency

The Hober 3.7 kW single-phase solar pumping inverter combines advanced MPPT control, hybrid AC/DC switching, and robust protections to deliver reliable, efficient power for your water pumping systems.

🔹 Key Features & Benefits

Rated Output Power: 3,700 W AC (single phase) — suitable for medium to large pumps.
Hybrid Operation: Supports solar DC input as well as AC (grid/generator) backup to maintain operation during low sunlight.
Wide DC Input Range: 250–400 V DC — allowing flexibility in solar string design.
High MPPT Efficiency: Smart tracking to maximize energy harvest under varying solar conditions.
Soft Start & VFD Control: Smooth ramp-up of pump load to reduce mechanical stress and prolong equipment life.
Comprehensive Protection Features:
• DC input anti-reverse
• AC output short circuit / overload
• Dry-run detection (no water)
• Over-temperature, over-current
• Phase loss / imbalance
• Surge / lightning arrestor
Weatherproof & Rugged Design: IP65 rated for outdoor installation in harsh environments.
Automatic & User-Friendly: Plug-and-play design with automatic switching, minimal manual configuration.

🔹 Typical Technical Snapshot

Parameter	Typical / Published Value
Model	HSPH3700H (3.7 kW)
AC Output Power	3,700 W
DC Input Voltage Range	250 – 400 V DC
Hybrid / AC Input	Yes — supports AC / grid or backup input
Protection	Dry-run, over-voltage, short-circuit, etc.
Operating Conditions	–10 °C to +60 °C continuous
Efficiency / MPPT	High efficiency, MPPT tracking algorithm included
Enclosure	IP65

🔹 Why You Should Consider This

Ideal for solar irrigation systems, borehole pumps, and remote water delivery setups that require reliable AC pumping with solar support.
Hybrid design ensures continuous operation, even when solar input is weak or interrupted.
Protection systems safeguard your pump and wiring from failure, reducing maintenance and repair costs.
Smart MPPT and soft start help maximize solar utilization while protecting mechanical components.