Stairs
Stairs 4" Submersible Borehole Motor 0.37–7.5kW | 230V & 400V, Single & Three-Phase – SA
Stairs 4" Submersible Borehole Motor 0.37–7.5kW | 230V & 400V, Single & Three-Phase – SA
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Reliable 4" Submersible Borehole Motor for Standard Applications
The Stairs 4" Submersible Borehole Motor is a 100mm rewindable motor designed for standard borehole pumping applications. It is suitable for motor replacements, pump rebuilds, and new installations where a dependable submersible motor is required.
Built with maintenance-free lubricated bearings and approved non-toxic vegetable oil, it is designed to work with compatible Stairs control boxes or a USB control box.
Quick Decision Guide
| Best for: | Borehole motor replacements, pump rebuilds, and new 4" submersible installations |
| Motor type: | 100mm rewindable submersible motor |
| Standards: | NEMA 4 dimensions and flange |
| Phase options: | 230V single phase and 400V three phase |
| Power range: | 0.37kW to 7.5kW |
| Use with: | Compatible 4" hydraulic pump ends and matching control equipment |
| Need help choosing? | Send us your motor size, voltage, and pump details before ordering. |
Why Buy from Zisabo
- Wide power and phase selection
- Suitable for standard borehole motor replacements
- Need help matching the correct motor? WhatsApp us before ordering
What’s Included
- Stairs 4" submersible motor
- Motor unit only
Not included
- Hydraulic pump end / wet end
- Control box
- USB control box
- Lead-out cable unless separately supplied
- Installation fittings and accessories
- Professional installation
Key Features
- 100mm rewindable submersible motor
- Designed for standard borehole applications
- Maintenance-free lubricated bearings
- Approved non-toxic vegetable oil
- NEMA 4 dimensions and flange
- Designed for use with matching Stairs control boxes or a USB control box
- Available in both single-phase and three-phase options
Applications
- Borehole motor replacements
- New 4" submersible pump installations
- Pump rebuilds
- Domestic water systems
- Agricultural and general water pumping installations where compatible controls are used
Control Box Requirement
This motor should be used with a compatible Stairs control box or a USB control box, depending on the installation and motor selected. If you are replacing an existing motor, matching the correct control equipment is important.
How to Choose the Right Stairs Motor
Choose the correct motor based on the required power, available voltage, compatibility with your hydraulic pump end, and whether your installation uses single-phase or three-phase supply.
Before ordering, send us:
- Your current motor model
- Your pump model
- Your voltage
- Your required power size
Guarantees
Guarantees
12 months Manufacturer Warranty
Materials
Materials
Shipping
Shipping
3 - 5 Business Days
Additional Information
Additional Information
100mm Rewindable Submersible Motor For Standard Applications With Maintenance Free Lubricated Bearings And Approved Non-Toxic Vegetable Oil. Dimensions And Flange According To Nema4-Standards. Matching Stairs Control Boxes Must Be Installed Or A Usb Control Box. Maximum Water Temperature Of 35 degreesC And Immersion Depth Of 200 M. Motor Can Be Installed In A Horizontal Or Vertical Position. Motor Fitted With A Removable Lead-Out Cable. 0.37 Kw To 4 Kw. General Specifications: Mounting Flange: 4 Nema Standard; Insulation Class F; Protection Ip68; single phase Motors: 0.37 Kw Up To 4.0 Kw. Three-Phase Motors: 0.37 Kw Up To 7.5 Kw; Standard Voltages: 1 ~ 230 V (50 Hz); 3 ~ 230 V Or 400 V (50 Hz). Cable Length: 1.7 M - 0.37 Kw Up To 1.5 Kw; 2.5 M - 2.2 Kw Up To 7.5 Kw. Materials: Motor Shell - 304 Stainless Steel; Mechanical Seal - Ceramic/Carbon; Shaft (0.5 - 3 Hp) - 304 Stainless Steel; Shaft (4 -10 Hp) - 630 Stainless Steel.
Technical information
Technical information
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