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Solar Modules

Our universe is full of energy and the sun is the greatest source of it. We at Mahavir are passionate about meeting the pumping demands across the globe whilst saving environment by reducing carbon footprints. Our solar water pumping products are engineered by using advanced manufacturing and testing facilities to gain optimum efficiencies and maintenance free operations.

Being a project developer, we truly understand the solar business from an investor’s and contractor’s perspective. This unique position helps us to deliver values to our customers. The successful track records of our completed projects for solar pumping systems stands testimony to its commitment and quality of our work.

Technical Data

Parameter 3-Phase Model
Rated Voltage Variable
Rated Frequency 50 Hz or 110 Hz (for DC)
Rated Speed 2900 RPM
Voltage tolerance -15% to +6%
Protection IP68
Max. Starts per hour 10
Min. Start per month 1
Rotation Anticlockwise
Max. Temperature 33?C
Mounting Standards NEMA Standards
Starting Method VFD or Micro Controller
Insulation Class B
Suitable Properties of liquid for PumpSet Specific Gravity: 1.004 (max.)
Chloride content: 500 ppm (max.)
Turbidity: 50 ppm. Silica scale (max.)
Allowable Solids: 3000 ppm. (max.)
pH Value: 6.5 to 8.5
Max. Temperature: 33°C (max.)
Permissible Amt. of Sand: 25 grams/cu. meter (max.)
Hardness: 300 (max.)
Viscosity: 1750000 m2/sec (max.)

Material of Construction for Submersible Well Motor

Part Name Material
Upper and lower housing Grey Cast Iron or AISI 304 or AISI 316 or Brass
Motor shaft Chromium Steel
Bearing bush Leaded Tin Bronze
Rotor laminations Electrical Sheet Steel
Rotor conductor core EC Copper or Die Cast aluminum
Stator laminations Electrical Sheet Steel
Stator windings PVC or Polywrap Electro Grade Copper
Breather diaphragm Nitrile Rubber
Thrust bearing Resin & C40 V/S SS 420
Stator casing Stainless Steel Sheet
Cable gland Nitrile Rubber
Cable conductor Electro Grade Copper
Cable insulation PVC or Rubber sheathed

Material of Construction for Submersible Well Pump

Part Name Material
Suction Casing Grey Cast Iron or AISI 304 or AISI 316
Suction Bush Bronze grade LTB 4
DOL Bush Bronze grade LTB 4
Suction Plate Grey Cast Iron or AISI 304 or AISI 316
Pump Shaft Chromium Steel or AISI 304
Coupler Chromium Steel or AISI 304
Impeller Technopolymer or AISI304 or Chromium Steel
Diffuser Bowl Grey Cast Iron or AISI 304 or AISI 316
Discharge Outlet Grey Cast Iron or AISI 304 or AISI 316

Model De-Code


AC Solar Water Pumping System

Code Model Array connection Minimum Borewell Size PV Array Motor Pump
PumpSet & controller System Watts Module Type Rating (kW/HP) Outlet (mm) Max. OD (mm) Shut Off (Mtr.) Operating head (Mtr.) Output at Operating Head (LPD)
SPMC311 SPMS311 SPMAC12003042 Series 100 mm 1200 300 x 4 AC 0.75 / 1.0 38 98 45 30 42,000
SPMC321 SPMS321 SPMAC18003063 Series 100 mm 1800 300 x 6 AC 1.5 / 2.0 38 98 45 30 63000
SPMC331 SPMS331 SPMAC30003011 Series 100 mm 3000 300 x 10 AC 2.2 / 3.0 50 98 45 30 1,05,000
SPMC332 SPMS332 SPMAC30005063 Series 100 mm 3000 300 x 10 AC 2.2 / 3.0 50 98 70 50 63,000
SPMC333 SPMS333 SPMAC30007042 Series 100 mm 3000 300 x 10 AC 2.2 / 3.0 50 98 100 70 42,000
SPMC341 SPMS341 SPMAC48005011 Series 100 mm 4800 300 x 16 AC 3.7 / 5.0 50 98 70 50 1,00,800
SPMC342 SPMS342 SPMAC48007068 Series 100 mm 4800 300 x 16 AC 3.7 / 5.0 50 98 100 70 67,200
SPMC343 SPMS343 SPMAC48009944 Series 100 mm 4800 300 x 16 AC 3.7 / 5.0 50 98 150 100 43,200
SPMC351 SPMS351 SPMAC67505015 Series-Parallel 150 mm 6750 300 x 23 AC 5.5 / 7.5 65 146 70 50 1,41,750
SPMC352 SPMS352 SPMAC67507095 Series-Parallel 150 mm 6750 300 x 23 AC 5.5 / 7.5 65 146 100 70 94,500
SPMC353 SPMS353 SPMAC67509961 Series-Parallel 150 mm 6750 300 x 23 AC 5.5 / 7.5 65 146 150 100 60,750
SPMC361 SPMS361 SPMAC90005019 Series-Parallel 150 mm 9000 300 x 30 AC 7.5 / 10.0 65 146 70 50 1,89,000
SPMC362 SPMS362 SPMAC90007013 Series-Parallel 150 mm 9000 300 x 30 AC 7.5 / 10.0 65 146 100 70 1,26,000
SPMC363 SPMS363 SPMAC90009981 Series-Parallel 150 mm 9000 300 x 30 AC 7.5 / 10.0 65 146 150 100 81,000
*MNRE Certification On Approved Models Only

*Water output figures are on a clear sunny day with three times tracking of Solar panel, under the “Average Daily Solar 7.15 kWh/ sq.m. on the surface of PV array (i.e. coplanar with the PV Modules)

* Head range and Q Range = +10% to -25% of Operating head & Discharge

* Custom Solar water pumping systems can be manufactured upon request

* Company reserves rights to modify these data as per new development