ZDS 400v 4” Oil-Cooled Motor


Three-phase submersible OT motors are manufactured to ISO 9001 standards and are designed to operate coupled to hydraulic parts with the same coupling dimensions. Parts in contact with water are made of stainless steel; cooling and lubrication of ball bearings are guaranteed by a FDA approved dielectric fluid. OT are equipped with phase separator which ensures optimal operation and long working life for the motor.

ZDS Pumps Innovation Group Official Seller UK in Ramsbottom, Manchester

Available Options:

ZDS 400v 4″ Oil-Cooled Motor

Quality in the Well

The ZDS 400v 4″ oil-cooled motor is a three-phase submersible motor, suitable for 4″ wells or larger, cooled by non-toxic dielectic fluid, which is approved by FDA (Food and Drug Administration). All ZDS motors are manufactured to ISO 9001 standards.


  • Three-phase motor range: 0.37 – 5.5 kW;
  • Voltage range: 3 x 380-415v / 50 Hz;
  • 4” NEMa standard dimensions;
  • Rotation: reversible;
  • Stainless Steel Motor Casing;
  • Degree of protection: IP68;
  • Insulation: Cl. F;
  • Rated ambient temp: max. 40°C;
  • Cooling flow: min 8 cm/sec;
  • Max Starts per hour: 150, equally distributed;
  • Mounting: vertical/horizontal;
  • Voltage tolerance 50Hz from nominal: + 6%/- 10%;
  • Thrust: 1.500N; 2.500N; 4.500N;
  • Allowed working PH of water: 6.4-8.0;
  • Maximum immersion depth: 150m;
  • Protection requirements: EN 60947-4-1;
  • 100% of motors are fully tested to all specifications.

Available with or without DRP. The DRP is an electronic device that guarantees optimal protection of the pump against dry-running and other possible installation faults or operation failures.

For OT motors, an overload protection and control unit to start and run the motor must be installed according to EN 60947-4-1 trip time < 10 sec. at 5 x I N

If you require any technical assistance then please contact a member of our team on 01706 558 352 or [email protected]. We will endeavour to respond to you as quickly as possible.

ModelkWVoltageAMPSPrice ex-VAT
OT.037.15 0.37 kW 400v 1.5-1.7

£208.37Add to Cart

OT.037.15 (DRP included) 0.37 kW 400v 1.5-1.7

£379.53Add to Cart

OT.055.15 0.55 kW 400v 1.6-1.8

£213.33Add to Cart

OT.055.15 (DRP included) 0.55 kW 400v 1.6-1.8

£383.67Add to Cart

OT.075.15 0.75 kW 400v 2.3-2.6

£294.71Add to Cart

OT.075.15 (DRP included) 0.75 kW 400v 2.3-2.6

£391.10Add to Cart

OT.110.25 1.1 kW 400v 3.1-3.6

£253.85Add to Cart

OT.110.25 (DRP included) 1.1 kW 400v 3.1-3.6

£425.01Add to Cart

OT.150.25 1.5 kW 400v 4.1-4.6

£284.44Add to Cart

OT.150.25 (DRP included) 1.5 kW 400v 4.1-4.6

£450.64Add to Cart

OT.150.45 1.5 kW 400v 4.1-4.6

£305.94Add to Cart

OT.150.45 (DRP included) 1.5 kW 400v 4.1-4.6

£472.14Add to Cart

OT.220.25 2.2 kW 400v 5.2-5.4

£300.98Add to Cart

OT.220.25 (DRP included) 2.2 kW 400v 5.2-5.4

£467.18Add to Cart

OT.220.45 2.2 kW 400v 5.2-5.4

£324.13Add to Cart

OT.220.45 (DRP included) 2.2 kW 400v 5.2-5.4

£490.33Add to Cart

OT.300.25 3 kW 400v 7.0-7.2

£407.64Add to Cart

OT.300.25 (DRP included) 3 kW 400v 7.0-7.2

£634.20Add to Cart

OT.300.45 3 kW 400v 7.0-7.2

£433.28Add to Cart

OT.300.45 (DRP included) 3 kW 400v 7.0-7.2

£656.53Add to Cart

OT.400.25 4 kW 400v 9.3-9.8

£446.51Add to Cart

OT.400.25 (DRP included) 4 kW 400v 9.3-9.8

£668.85Add to Cart

OT.400.45 4 kW 400v 9.3-9.8

£476.28Add to Cart

OT.400.45 (DRP included) 4 kW 400v 9.3-9.8

£699.53Add to Cart

OT.500.45 5.5 kW 400v 12.2-12.6

£595.35Add to Cart

Download Specification PDF

Standard Shipping UK and Northern Ireland
If you choose this service, the your items should arrive to you the following working day if ordered before 1pm. We will always aim to despatch your goods right away however, if there is a delay in despatching your goods then we will notify you. Once we have despatched your order, you will receive an email notification. Our couriers will endeavour to deliver your goods on time but inevitably there may be delays due to conditions beyond our control. Please be aware that our couriers will deliver between the hours of 7am – 7pm.

Pre-Noon and Pre.10.30am Shipping UK
If you choose a timed delivery service then your goods should arrive to you the following working day by the time specified, i.e. before 10.30am or before 12pm. Deliveries may arrive as early as 7am. Some postcodes are exempt from timed deliveries. Once you have entered your delivery address within the cart, you will be notified of the delivery options available to you.

European Deliveries 
If you require delivery to a location outside of the UK then please contact a member of our team to discuss. We will be able to provide you with an individual quote for your goods based on the delivery address and order weight.

General Delivery Information
In the unlikely event that your goods do not arrive at the time you expected, please contact a member of our team on 01706 558 352 quoting your order number. We will then work with our couriers to provide you with an update as quickly as possible.