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RSBT4032EV21S258 – 3 phase compressor softstarter 400V 32A, 110-400V I/P
Carlo Gavazzi RSBT4032EV21S258 three-phase soft starter, a 32 A motor starting controller designed for smooth acceleration of compressors and industrial motors.
Why Choose the Carlo Gavazzi RSBT4032EV21S258 Soft Starter?
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.
Key Advantages
- Compact three-phase soft starter designed for compressor and motor applications.
- 32 A rated operating current for medium-duty three-phase motors.
- Reduced starting current compared with direct-on-line motor starting.
- Integrated bypass function improves efficiency during normal operation.
- DIN rail mounting design for fast installation inside control cabinets.
- Designed to improve motor reliability and reduce mechanical stress.
Key Features
- Carlo Gavazzi RSBT soft starter series.
- 32 A rated operating current.
- Three-phase 400 V AC motor control.
- 110–400 V AC control input range.
- Integrated bypass contactor function.
- Soft starting for scroll compressors and industrial motors.
- Compact DIN rail mounting format.
- IP20 protection for electrical panel installations.
Reliable Motor Starting for Industrial Applications
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.
Typical Applications
- Scroll compressors.
- HVAC and refrigeration equipment.
- Industrial pumps and motor-driven machinery.
- OEM automation systems.
- Three-phase motor control panels.
- Industrial equipment requiring reduced starting current.
Technical Specifications
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| Motor Protection | No | |
|---|---|---|
| Current | 32 A | |
| Power | 15 kW | |
| Voltage | 120 V, 230 V, 400 V | |
| Phase | Three Phase | |
| 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 |
Frequently Asked Questions
What is the Carlo Gavazzi RSBT4032EV21S258 used for?
The RSBT4032EV21S258 is a three-phase soft starter designed for controlled starting of compressors and industrial motors.
What motor current can the RSBT4032EV21S258 handle?
The soft starter is rated for a maximum operating current of 32 A AC.
What voltage does the RSBT4032EV21S258 require?
The unit is designed for 400 V AC three-phase motor applications with a 110–400 V AC control input.
Does the RSBT4032EV21S258 include a bypass function?
Yes, the RSBT4032EV21S258 includes an integrated bypass function to reduce heat generation during normal motor operation.
How is the RSBT4032EV21S258 installed?
The RSBT4032EV21S258 is designed for DIN rail mounting inside industrial control cabinets.
Trusted by Industrial Automation Engineers
Carlo Gavazzi RSBT soft starters provide reliable motor starting control for industrial automation, HVAC and compressor applications requiring efficient and controlled acceleration.
