Need clean drinking water from your own well but don’t want to pay EAC every month to pump it? The Hybsun 3HR210-80-1.8A DC solar screw well pump is the smallest pump in the Hybsun screw-pump range — a 210 W brushless DC submersible that runs on just one solar panel and lifts water from wells up to 80 m deep at a 1.8 m³/h max flow. Helical rotor (screw) technology delivers higher pressure per watt than centrifugal pumps — making this the right choice for deep, low-yield wells where you need consistent flow for household drinking water.
✓ VAT included · Delivery in Cyprus
What It Is
If your borehole is feeding a single household, a small farmstead, or a livestock drinking setup, you don’t need a 1500 W centrifugal pump and a whole roof of panels — you need a pump matched to your actual daily water demand. That’s exactly where the Hybsun 3HR210-80-1.8A DC solar screw well pump fits: the smallest pump in Hybsun’s helical-rotor range, built specifically for small-to-medium daily water needs. Three things make this design unusual for its size class. First, the helical-rotor mechanism (also called a screw pump or progressive cavity pump) holds its pressure constant across the whole flow range — a centrifugal pump’s output drops sharply as head increases, but a helical rotor doesn’t. Second, the DC 24 V system runs from a single modern 300 W+ solar panel, so the PV side is dead simple — no string sizing, no inverter, no grid hookup. Third, on a slow-recharging well where the water column doesn’t refill quickly, the steady displacement action of the screw mechanism is far better suited than the surge-and-stall behaviour of an impeller pump.
Helical Rotor Technology
The Hybsun 3HR210-80-1.8A DC solar screw well pump uses helical rotor (screw / progressive cavity) technology rather than the centrifugal impellers found in our 3UP series. A single metal rotor turns inside a stator, pushing water in a continuous flow with each rotation. Why does this matter? Helical rotor pumps deliver much higher pressure per watt than centrifugal pumps — and they maintain that pressure across the whole flow range. The flow is low (1.8 m³/h max) but it’s a constant, pulse-free flow that’s ideal for steady household water use, drip irrigation systems, and low-yield wells where the water recharges slowly. Centrifugal pumps surge and stall on low-yield wells; helical rotor pumps just keep going.
Inside the Hybsun 3HR210-80-1.8A DC solar screw well pump is a brushless DC permanent-magnet synchronous motor — built for high efficiency from a small solar array. The motor uses NSK bearings (a respected Japanese industrial bearing brand) paired with an alloy mechanical seal — both chosen for the long, slow run-times typical of well-pumping duty. A double water seal keeps the pump body fully waterproof and leak-free, which matters when the pump spends years sitting 30+ metres down a wet borehole.
The Hybsun 3HR210-80-1.8A DC solar screw well pump ships with its matched DC solar controller — an IP65 waterproof box that sits above ground between your panel(s) and the pump. The controller tracks the maximum power point of your PV (MPPT) to extract every available watt, handles up to 15 A on the input side, and displays live power, voltage, current and motor speed on a built-in LED screen. Frequency conversion lets the controller vary motor speed based on available sunlight — so the pump runs faster at noon and slower at dawn, automatically matching what the panel can deliver.
One feature worth highlighting: the 3HR210 DC controller has a built-in automatic charging function for an optional battery. The controller charges the battery during daylight while running the pump, and at night the battery can keep the pump working — useful when you need water flow outside solar hours (livestock drinking at dusk, evening household use, or filling a tank overnight). The battery is fully optional; the Hybsun 3HR210-80-1.8A DC solar screw well pump runs perfectly well on solar alone during the day.
The Hybsun lists the full protection envelope: soft start (no inrush damage to the motor), over-voltage, under-voltage, over-current, high-temperature and adjustable speed (frequency conversion). For wells that occasionally run dry, the auto-restart is particularly useful — the pump checks again 30 minutes later instead of needing a manual reset.
Unboxing & First Look
The Hybsun 3HR DC submersible solar well pump kit is in a wooden box with the pump, the DC solar controller, and accessories. Here’s an unboxing walkthrough showing what’s in the box and how the kit goes together:
Video by Hybsun showing the standard submersible solar well pump kit. The Hybsun 3HR210-80-1.8A DC solar screw well pump ships in the same kit format with its model-specific pump.
Who Should Buy This
Hybsun designed the 3HR helical-rotor series for a very specific application — deep, low-yield Cyprus wells where you need moderate water volume delivered at high head, and where the steady-pressure characteristics of helical rotor pumping outperform a centrifugal pump. The Hybsun 3HR210-80-1.8A DC solar screw well pump buyer profiles below cover the most common Cyprus use cases:
Across the Hybsun line, every solar well pump uses the same underlying platform: stainless steel construction, NSK bearings, MPPT controllers, and IP65 outdoor-rated controllers. The differences across the range are pump type (helical rotor for the 3HR vs centrifugal elsewhere), rated power, and the flow-vs-head curve shape. Compare across the range:
Hybsun applies the same PV sizing rule across the 3HR series: total PV power must be at least 1.3 × the pump’s nominal power. For the Hybsun 3HR210-80-1.8A DC solar screw well pump that means at least 273 Wp of solar panels (1 modern 300W+ panel typically). That 30% headroom soaks up the everyday losses that bring panels below their rated wattage — heat de-rating in Cyprus summer, dust on the panel glass, voltage drop across cable runs, and the slow output decline all PV modules go through.
The Hybsun 3HR210-80-1.8A DC solar screw well pump takes a PV string operating at 24-48 V Vmp, with maximum open-circuit voltage staying below 55 V. In practice that means a single modern 300-400 W panel works perfectly — typical panel Vmp is 30-40 V, well within the range, and Voc stays under 50 V on most products. For 24V systems this is the simplest possible solar setup: one panel, one controller, one pump.
Like all submersible well pumps, the Hybsun 3HR210-80-1.8A DC solar well pump’s flow rate drops as the lift height (total dynamic head) increases. The 1.8 m³/h headline figure is the manufacturer’s peak rating at zero head — in a real installation with depth and pipe friction the actual flow is lower. Here’s what the manufacturer’s performance curve actually shows for the Hybsun 3HR210-80-1.8A DC solar well pump, with daily output figures for a typical 6-hour Cyprus solar day:
“Total dynamic head” = static water level depth + pipe friction losses + vertical rise to your discharge tank. Allow roughly 5-10m of pipe friction on top of the static depth — the exact figure depends on pipe diameter and run length.
To translate flow rate into your specific water demand:
For an exact sizing calculation, send CGP Solar your static water level, expected drawdown, pipe run length, storage tank height, and daily water demand — we’ll work it out against the curve and pick the right pump.
Centrifugal well pumps (like our Hybsun 3UP series) work by spinning impellers — fast rotation creates the pressure that lifts water. That works great for shallow wells with good water flow, but they lose efficiency at depth and they don’t cope well with low-yield wells that pump down to “dry” frequently. Helical rotor pumps work differently — a single spiraling metal rotor turns inside a stator and pushes water at constant pressure regardless of how much is available. For Cyprus rural properties where the well is the only water source and may be both deep and low-yield, the Hybsun 3HR210-80-1.8A DC solar screw well pump is simply the right pump category — it does the job centrifugal pumps can’t.
The Hybsun 3HR210-80-1.8A DC solar screw well pump is constructed from stainless steel per Hybsun’s specification — corrosion-resistant against the minerals, chlorides and slight acidity common in Cyprus well water. The Hybsun 3HR210-80-1.8A DC solar screw well pump lives 30 to 100+ metres down a borehole for years on end — stainless steel is the construction grade that makes that kind of service life possible without internal degradation. The critical wear components — the rotor and stator interface — are engineered for the normal sediment loading you find in natural groundwater.
The Hybsun 3HR210-80-1.8A DC solar screw well pump carries the same mechanical hardware as the rest of the Hybsun line — NSK industrial bearings (the Japanese-brand standard for continuous-duty pumping), an alloy mechanical seal, and a double water seal that keeps the pump body fully sealed across years of submerged service. Hybsun’s datasheet language captures the design intent: “offering the longer working life” — exactly right for a small drinking-water pump that’ll spend a long time underwater.
The DC controller includes a soft-start function that ramps motor speed up gradually instead of slamming it on at full power. That eliminates the inrush-current spike that progressively destroys conventional AC motors over thousands of start/stop cycles — and it’s a major reason Hybsun comfortably offers a 2-year warranty on a pump designed to run every day for years.
If the well runs dry (which can happen on low-yield boreholes during peak summer drawdown), the Hybsun 3HR210-80-1.8A DC solar screw well pump stops automatically and tries again 30 minutes later. No manual reset. No burnt-out motor. The Hybsun 3HR210-80-1.8A DC solar screw well pump cycles through this completely on its own, every time — a low-yield well that occasionally pumps dry simply doesn’t pose any risk to the pump.
Typical CGP Solar project timeline: site survey and well assessment (2-5 days to schedule — we measure your well depth and static water level, and confirm the casing diameter), formal quotation (about 1-2 days), then on-site work — lowering the pump on rising main pipe with safety cable (half a day for typical residential depths), PV array and controller install above ground (half a day), and commissioning under live solar with handover walkthrough (same day). CGP Solar handles installations across all five Cyprus districts — Nicosia, Limassol, Paphos, Larnaca and Famagusta.
CGP Solar specifies, supplies and installs the Hybsun 3HR210-80-1.8A DC solar screw well pump across Cyprus — Nicosia, Limassol, Paphos, Larnaca and Famagusta. Our standard process: borehole assessment, PV array sizing to match your daily water requirement, pump deployment down the well on rising-main pipe with a secondary safety cable, and final commissioning under operational solar input. Deep well + sunshine + Hybsun 3HR210 = water for free, every sunny day.
Contact us today to schedule your personalised free consultation.
FAQ’s
Hybsun lists H.Max as 80 metres, and the actual performance curve confirms this — at zero flow the pump can lift water up to 80 m. In practice, the useful working range is up to about 60 m total dynamic head, where the pump still delivers ~0.75 m³/h (about 4.5 m³/day on a typical 6-hour Cyprus solar day). Beyond 60 m, flow drops fast: at 70 m head you’re down to ~0.4 m³/h and the practical limit is reached. For wells deeper than 60-70 m, the larger Hybsun 3HR750-140/2.3B is the right choice — it maintains useful flow up to 120+ metres.
Hybsun’s rule is at least 1.3 × pump power in solar panel wattage. For the 210 W 3HR210, that’s a minimum of 273 Wp — so a single modern 300-400 W panel is enough. The PV string voltage needs to fall within the controller’s MPPT range: 24-48 V Vmp, with open-circuit voltage staying under 55 V. Most single 36-cell or 60-cell panels meet these criteria. CGP Solar specifies the exact panel during the quotation stage.
Yes — the 3HR210 DC controller has a built-in automatic battery charging function. You can optionally connect a 24 V battery (typically a 100-200 Ah AGM or lithium) and the controller will charge it during the day while running the pump, then run the pump from the battery during cloudy spells or after sunset. This is genuinely useful for evening livestock watering, overnight tank filling, or simply having water available 24 hours. The battery is fully optional.
For most Cyprus situations, the choice comes down to this: centrifugal pumps deliver more flow, helical rotor pumps deliver more pressure (head) per watt. If your well is shallow (under 30m) and you need higher flow (like irrigating a hectare-plus farm), a centrifugal pump like the Hybsun 3UP750 is the right tool. If your well is deep, your daily water demand is modest (single household, small livestock, drinking water), or if the well has a low recharge rate that occasionally pumps dry, a helical rotor pump like this Hybsun 3HR210-80-1.8A DC solar screw well pump is the better fit. For very deep wells (60-140m), the Hybsun 3HR750 is the only option in this category that reaches that depth on solar power alone.
The Hybsun 3HR210-80-1.8A DC solar screw well pump comes with Hybsun’s standard 2-year manufacturer warranty. The pump is certified to CE (European Conformity — mandatory for EU sale including Cyprus) and ISO 9001 (Hybsun’s manufacturing facility quality management). The DC solar controller is rated IP65 — dust-tight and protected against water jets — making it suitable for pump house, basement and exposed outdoor installations.
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