Model PS1800-C-SJ42-1
Make Lorentz
Max Head 8 m
Max Flow Rate 53.00 m³/h
Controller PS1800
Controller Power 1.8 kW
PS600 Series Larger

Controller PS1800

Power max 1.8 kW
Input voltage max 200 V
Optimum Vmp** > 102 V
Nominal voltage (battery operation) 96 V
Motor current max 14 A
Efficiency max 98 %
Ambient temp. -30...50 °C
Enclosure class IP65
Control inputs for dry running protection, remote control etc.
Protected against reverse polarity, overload and overtemperature
Integrated MPPT (Maximum Power Point Tracking)
Battery operation: Integrated low voltage disconnect

Motor ECDRIVE 1800-C

Rated power 1.7 kW
Efficiency max 92 %
Motor speed 900...3300 RPM
Insulation class F
Enclosure class IP68
Submersion max 150 m
Borehole diameter min 6.0 in
Water temperature 50 °C
Maintenance-free brushless DC motor
Water filled
Premium materials, stainless steel: AISI 304/316
No electronics in the motor

Pump End

Non-return valve
Premium materials, stainless steel: AISI 304/316
Optional: dry running protection
Centrifugal rotor pump


Bundu Power Series
PS200 Series
PS600 Series
PS1800 Series
PS4000 Series


H1: 396 mm
H2: 364 mm
W1: 178 mm
W2: 156 mm
W3: 116 mm
D1: 165 mm
D2: 150 mm

Weight: 4.5 kgs
PS1800-C-SJ42-1 Lorentz Controller Diagram A: 565 mm
B: 185 mm
C: 380 mm
D: 96 mm
E: 147 mm
S: 3.0 in

Pump Weight: 15.0 kgs
Motor Weight: 7.0 kgs
Pump End Weight: 8.0 kgs
PS1800-C-SJ42-1 Lorentz Controller Diagram


PS1800-C-SJ42-1 Lorentz Pump Chart


Does the price include installation?

No, the price doesn't include installation. Installations are all different and require varying length of cable, time and distances to be travelled. In addition to this installations need to be done by a qualified electrician to issue a valid Certificate of Compliance (COC) for your insurance. We will gladly recommend a qualified local installer, please ask your Sales Consultant for more information.

Do we offer installation?

No, but we do have recommended installers throughout Southern Africa who will be able to assist you with your installation and sizing your generator.

Does the price include delivery?

All prices exclude delivery. We will gladly get a price on delivery for you.

Do I need anything else to connect the solar panels?

Solar installations are a specialised trade. There are a multitude of additional connectors and mounting systems required in order to get your installation working optimally.

Tell me about the Warranty?

The warranty is . It is a limited warranty. Travel to site is not included in the warranty. The goods need to be returned to us or a call out will be charged. Please refer to the Terms and Conditions of sale and the Warranty Card for further information on the warranty. Warranty is held with the agency where you bought the products. If you have purchased your products in Johannesburg then the warranty is held in Johannesburg etc.

Price Validity

Pricing is valid whilst stock lasts and is subject to change without prior notice. Pricing on the website is indicative and should always be confirmed by Bundu Power in the form of a written quotation.