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RSBT4025EV11 - 3 phase compressor softstarter 400V 25A, 110-400V I/P

RSBT4025EV11 – 3 phase compressor softstarter 400V 25A, 110-400V I/P

Carlo Gavazzi RSBT4025EV11 three-phase compressor soft starter with 25 A rated current designed for scroll compressor motor starting control in HVAC and industrial applications.

SKU: RSBT4025EV11MPN: RSBT4025EV11
This product has been discontinued A direct replacement is available below.
RSBT4025EV11HP - 3P COMP.S/START 400VAC 25A, DIN, Optimised start Replacement product 56215 SKU: RSBT4025EV11HP £361.69 ex VAT View

Why Choose the Carlo Gavazzi RSBT4025EV11 Soft Starter?

The Carlo Gavazzi RSBT4025EV11 is a compact three-phase soft starter for scroll compressors designed to reduce starting current and provide smooth acceleration of compressor motors in HVAC, refrigeration and industrial cooling applications. As part of the advanced Carlo Gavazzi RSBT soft starter series, it provides reliable compressor starting control with integrated bypass technology and a DIN rail mounting design for straightforward electrical installation.

This soft starter helps reduce electrical inrush current, mechanical stress and vibration during compressor startup. The RSBT series uses a patented auto-adaptive algorithm that automatically optimises starting performance for the connected compressor without requiring user adjustments.

With a rated current of 25 A, an operating voltage range of 187–440 V AC and a 110–400 V AC control voltage, the RSBT4025EV11 is designed for three-phase scroll compressor applications requiring efficient and dependable motor starting control.

Key Advantages

  • Compact three-phase scroll compressor soft starter for HVAC and industrial applications.
  • 25 A rated operational current suitable for higher-capacity compressor systems.
  • 187–440 V AC operating voltage range for flexible three-phase installations.
  • Patented auto-adaptive current limiting algorithm optimises compressor starting performance.
  • Integrated bypass relay improves efficiency during normal operation.
  • DIN rail mounting enables simple installation inside control cabinets.

Key Features

  • Carlo Gavazzi RSBT three-phase compressor soft starter series.
  • 25 A rated operational current.
  • 187–440 V AC operating voltage.
  • 110–400 V AC control voltage.
  • Three-phase controlled starting for scroll compressors.
  • Integrated internal bypass relay.
  • Current limit starting method with auto-adaptive control.
  • Compact 45 mm wide DIN rail mounting design.

Reliable Compressor Starting Control

Soft starters such as the Carlo Gavazzi RSBT4025EV11 control the initial current supplied to compressor motors during startup. By limiting starting current and providing controlled acceleration, they help improve system reliability while reducing stress on electrical and mechanical components.

The RSBT series is specifically developed for three-phase scroll compressor applications. Its adaptive starting technology, integrated bypass function and compact construction allow reliable integration into HVAC systems, refrigeration equipment and industrial control panels.

Typical Applications

  • Three-phase scroll compressors.
  • HVAC refrigeration systems.
  • Commercial cooling equipment.
  • Heat pump systems.
  • Industrial compressor applications.
  • OEM climate control and automation equipment.

Technical Specifications

Manufacturer Carlo Gavazzi
Series RSBT Scroll Compressor Soft Starters
Model RSBT4025EV11
Product type Three-phase compressor soft starter
Rated operational current 25 A
Operating voltage 187–440 V AC
Control voltage 110–400 V AC
Input phases 3-phase
Frequency 50 / 60 Hz
Rated motor power at 230 V AC 5.5 kW
Rated motor power at 400 V AC 11 kW
Starting method Current limit with auto-adaptive algorithm
Ramp-up time <600 ms
Bypass Integrated internal bypass relay
Supply voltage Internal supply
Protection rating IP20
Mounting type DIN rail mounting
Dimensions (W × H × D) 45 × 125 × 81 mm

Frequently Asked Questions

What is the Carlo Gavazzi RSBT4025EV11 used for?

This soft starter is designed to control the starting of three-phase scroll compressors by reducing starting current and mechanical stress.

What current rating does the RSBT4025EV11 provide?

The RSBT4025EV11 has a rated operational current of 25 A.

What supply voltage does the RSBT4025EV11 require?

The RSBT4025EV11 operates from a 187–440 V AC three-phase supply with a 110–400 V AC control voltage.

What starting technology does this soft starter use?

The unit uses a patented auto-adaptive current limiting algorithm to optimise compressor starting performance.

Where is the RSBT4025EV11 installed?

The soft starter is typically installed inside HVAC control panels, compressor cabinets and industrial electrical enclosures using DIN rail mounting.

Trusted by HVAC and Automation Engineers

Carlo Gavazzi RSBT soft starters are used by HVAC manufacturers and automation engineers to provide reliable compressor starting, reduced electrical stress and efficient system operation.