VK30 Constant-Pressure Water-Supply Drive
VK30 is a pump-drive family for keypad pressure setting and pressure-feedback control. The brochure's VK30-coded selection table is documented below; its mixed VK20 artwork requires confirmation of enclosure protection before ordering.

Technical specifications
Ratings refer to the linked document revision. Confirm the nameplate, motor current and operating conditions for the exact selection.
Supply
| 220 V class | The selection table lists 0.75 / 1.5 / 2.2 kW models for single-phase 220 V. PDF p. 4 |
|---|---|
| 380 V class | Three-phase 380 V models: 0.75 / 1.5 / 2.2 / 4 / 5.5 / 7.5 kW. PDF p. 4 |
Motor and process control
| Pressure setting | Pressure setting with up/down keypad buttons. PDF p. 4 |
|---|---|
| PID | Pump-oriented PID control. PDF p. 4 |
Control inputs and outputs
| Pressure feedback | Remote pressure gauge and pressure transmitter support is stated; signal ranges are not specified. PDF p. 4 |
|---|
Protection functions
| Water and pressure protection | Water-shortage, low-pressure and high-pressure protections are listed. PDF p. 4 |
|---|---|
| Electrical protection | Overload and overcurrent protections are listed. PDF p. 4 |
Installation and cooling
| Mounting type | Pump-mounted/backpack installation is illustrated, with an application not requiring a separate distribution cabinet. PDF p. 4 |
|---|
Selection information
| Model code | GS2 and GT4 variants are separate voltage groups in the selection table. PDF p. 4 |
|---|---|
| Application | The brochure illustrates constant-pressure water supply and pump-mounted drive applications. PDF p. 4 |
Technical specifications
Model and dimension tables
Check the units and document revision in each table. Wide tables can be scrolled horizontally on small screens.
VK30 model and output-current table
| Model | Supply class | Motor power (kW) | Rated output current (A) | Source |
|---|---|---|---|---|
| VK30-R75GS2 | 1~220V | 0.75 | 4.5 | PDF p. 4 |
| VK30-1R5GS2 | 1~220V | 1.5 | 7 | PDF p. 4 |
| VK30-2R2GS2 | 1~220V | 2.2 | 10 | PDF p. 4 |
| VK30-R75GT4 | 3~380V | 0.75 | 2.5 | PDF p. 4 |
| VK30-1R5GT4 | 3~380V | 1.5 | 3.7 | PDF p. 4 |
| VK30-2R2GT4 | 3~380V | 2.2 | 5 | PDF p. 4 |
| VK30-4R0GT4 | 3~380V | 4 | 9 | PDF p. 4 |
| VK30-5R5GT4 | 3~380V | 5.5 | 13 | PDF p. 4 |
| VK30-7R5GT4 | 3~380V | 7.5 | 17 | PDF p. 4 |
Document revision and selection notes
The same page mixes VK30 headings/model table, VK20 text/artwork, an IP65 image label and an IP54 bullet
The same page mixes VK30 headings/model table, VK20 text/artwork, an IP65 image label and an IP54 bullet. Neither rating should be presented as definitive without confirmation.
PDF p. 4
Communications, complete I/O, environmental limits and a wiring manual remain unverified.
Communications, complete I/O, environmental limits and a wiring manual remain unverified.
PDF p. 4
Manufacturer drawings
Open connection and dimension drawings in the manufacturer’s original PDF. For installation, use the complete manual matching the exact product model.
PDF p. 4
Information needed for selection
Providing the following information helps our technical team select the correct product and accessories.
- Specify pump voltage, power and nameplate current, pressure-sensor type and mounting arrangement.
- Confirm the IP rating and dimension units against the VK30 nameplate/technical drawing.
Let us verify your application
For VK30 Constant-Pressure Water-Supply Drive selection, share motor, supply, control, environment and duty-cycle data with our engineering team.