Carlo Gavazzi RSBT4032EV21S258 three-phase soft starter, a 32 A motor starting controller designed for smooth acceleration of compressors and industrial motors.
£387.56
The Carlo Gavazzi RSBT4032EV21S258 is a compact and reliable three-phase compressor soft starter designed to provide smooth acceleration and controlled starting of motors in industrial automation, HVAC and refrigeration applications. As part of the advanced Carlo Gavazzi RSBT soft starter series, it is engineered specifically for reducing mechanical stress, limiting electrical surges and improving motor starting performance.
This soft starter uses advanced electronic motor control technology to reduce inrush current during startup while providing dependable operation in demanding environments. Its integrated bypass function reduces heat generation during normal running conditions, while the compact DIN rail mounting design allows simple installation inside industrial control panels.
With a rated operating current of 32 A AC, a three-phase 400 V AC motor supply and a 110–400 V AC control input, the RSBT4032EV21S258 is designed for reliable compressor and motor starting applications requiring controlled acceleration and reduced electrical stress.
Soft starters such as the Carlo Gavazzi RSBT4032EV21S258 gradually control motor voltage during startup to reduce current peaks, mechanical shock and stress on connected equipment. This helps improve system reliability and extends the service life of motors and driven machinery.
The RSBT series provides a compact solution for OEM machine builders, HVAC engineers and industrial automation specialists requiring dependable motor starting control. Its integrated bypass design and DIN rail installation make it suitable for modern electrical control systems.
| Manufacturer | Carlo Gavazzi |
|---|---|
| Series | RSBT |
| Model | RSBT4032EV21S258 |
| Product type | Three-phase soft starter |
| Application | Compressor and motor starting |
| Rated operating current | 32 A AC |
| Motor supply voltage | 400 V AC |
| Control input voltage | 110–400 V AC |
| Number of phases | 3-phase |
| Motor power rating | up to 15 kW at 400 V AC |
| Internal bypass | Yes |
| Protection rating | IP20 |
| Mounting type | DIN rail mounting |
| Series frequency | 50 / 60 Hz |
| Dimensions | approx. 45 × 125 × 75 mm |
The RSBT4032EV21S258 is a three-phase soft starter designed for controlled starting of compressors and industrial motors.
The soft starter is rated for a maximum operating current of 32 A AC.
The unit is designed for 400 V AC three-phase motor applications with a 110–400 V AC control input.
Yes, the RSBT4032EV21S258 includes an integrated bypass function to reduce heat generation during normal motor operation.
The RSBT4032EV21S258 is designed for DIN rail mounting inside industrial control cabinets.
Carlo Gavazzi RSBT soft starters provide reliable motor starting control for industrial automation, HVAC and compressor applications requiring efficient and controlled acceleration.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...