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RSBT4032EV51HP – 3ph Comp. S/Start 400V 32A, 110-400V I/P+DIN UL
Carlo Gavazzi RSBT4032EV51HP three-phase soft starter, a 32 A compressor motor controller designed for smooth starting of scroll compressors and industrial motors.
Why Choose the Carlo Gavazzi RSBT4032EV51HP Soft Starter?
The Carlo Gavazzi RSBT4032EV51HP is a compact and reliable three-phase compressor soft starter designed to provide smooth motor starting, reduced inrush current and improved equipment protection in industrial automation, HVAC and refrigeration applications. As part of the advanced Carlo Gavazzi RSBT soft starter series, it is specifically developed for three-phase scroll compressors and demanding motor-starting applications requiring controlled acceleration and reduced electrical stress.
This high-performance soft starter uses Carlo Gavazzi’s auto-adaptive control technology to optimise starting performance without requiring user adjustments. The integrated bypass relay reduces heat dissipation during normal operation, while the compact DIN rail mounting design enables straightforward installation inside industrial control panels.
With a rated operating current of 32 A AC, an operating voltage range of 340–440 V AC and a 93.5–440 V AC control supply, the RSBT4032EV51HP is suitable for three-phase motors up to 15 kW at 400 V AC, including high-pressure start and multi-compressor applications.
Key Advantages
- Compact three-phase soft starter designed for scroll compressors and industrial motors.
- 32 A rated operating current for medium-duty motor applications.
- High-pressure start (HP) algorithm optimised for demanding compressor systems.
- Integrated bypass relay reduces heat generation during normal operation.
- DIN rail mounting design for fast installation inside electrical cabinets.
- Auto-adaptive starting algorithm reduces inrush current without manual setup.
Key Features
- Carlo Gavazzi RSBT soft starter series.
- Three-phase motor control with three controlled phases.
- 32 A rated operating current.
- 340–440 V AC operating voltage range.
- 93.5–440 V AC control supply range.
- Integrated bypass relay for efficient operation.
- High-pressure start algorithm for multi-compressor systems.
- DIN rail mounting with compact 45 mm housing design.
- IP20 protection for electrical panel installations.
Reliable Motor Starting for Industrial Applications
Soft starters such as the Carlo Gavazzi RSBT4032EV51HP gradually control motor starting conditions to reduce electrical current peaks and mechanical stress. This improves system reliability, protects connected equipment and helps extend the service life of motors and compressors.
The RSBT high-performance series is designed for OEM machine builders, HVAC engineers and industrial automation specialists requiring dependable compressor starting solutions. Its integrated bypass, compact DIN rail format and adaptive control algorithm allow simple integration into modern control systems.
Typical Applications
- Three-phase scroll compressors.
- HVAC and refrigeration systems.
- Multi-compressor installations.
- Industrial pumps and motor-driven equipment.
- OEM machinery and automation systems.
- Industrial control panels requiring reduced motor starting current.
Technical Specifications
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| Motor Protection | No | |
|---|---|---|
| Current | 32 A | |
| Voltage | 400 V | |
| Phase | Three Phase | |
| Coil / Supply Voltage | 110–400 V AC | |
| Manufacturer | Carlo Gavazzi | |
| Series | RSBT | |
| Model | RSBT4032EV51HP | |
| Product type | Three-phase soft starter | |
| Application | Three-phase scroll compressors and motor starting | |
| Rated operating current | 32 A AC | |
| Operating voltage | 340–440 V AC | |
| Control supply voltage | 93.5–440 V AC | |
| Motor power at 400 V | up to 15 kW | |
| Number of phases | 3-phase | |
| Controlled phases | 3 | |
| Internal bypass | Yes | |
| Mounting type | DIN rail mounting | |
| Protection rating | IP20 | |
| Housing width | 45 mm | |
| Dimensions (W × H × D) | approx. 45 × 125 × 81 mm |
Frequently Asked Questions
What is the Carlo Gavazzi RSBT4032EV51HP used for?
The RSBT4032EV51HP is a three-phase soft starter designed for controlled starting of scroll compressors and industrial motors, including high-pressure start applications.
What motor power can the RSBT4032EV51HP handle?
The soft starter supports three-phase motors up to approximately 15 kW at 400 V AC.
What operating voltage does the RSBT4032EV51HP require?
The unit operates with a 340–440 V AC three-phase supply and a 93.5–440 V AC control supply.
Does the RSBT4032EV51HP include a bypass function?
Yes, the RSBT4032EV51HP includes an integrated bypass relay to reduce heat dissipation during normal motor operation.
How is the RSBT4032EV51HP installed?
The RSBT4032EV51HP 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.
