RSGD40100F0VX311C - 2PH S/START 220-400V 100A 24VAC/DC I/P+O/L+MB

Why Choose the Carlo Gavazzi RSGD40100F0VX311C Soft Starter?

The Carlo Gavazzi RSGD40100F0VX311C is a compact and intelligent three-phase soft starter developed for controlled starting and stopping of industrial induction motors. As part of the advanced Carlo Gavazzi RSGD soft starter series, this unit is engineered to reduce motor inrush current, minimise mechanical stress and improve operational reliability across demanding industrial automation applications.

Featuring integrated Class 10 overload protection, Modbus RTU communication and an internal bypass relay, the RSGD40100F0VX311C combines high performance motor control with simplified installation and configuration. Its compact DIN rail and panel mounting design makes it particularly suitable for modern control cabinets where space efficiency is essential.

With a rated operational current of 100 A and support for 220–400 V AC three-phase systems, this soft starter is ideal for industrial motors up to 55 kW at 400 V AC. The integrated monitoring and protection functions help maximise equipment lifespan and reduce maintenance requirements in industrial environments.

Key Advantages

• Compact soft starter for industrial induction motors.
• 100 A operational current for demanding applications.
• Supports 220–400 V AC three-phase systems.
• Integrated Class 10 motor overload protection.
• Built-in Modbus RTU RS485 communication.
• Internal bypass relay improves efficiency and reduces heat generation.

Key Features

• Carlo Gavazzi RSGD soft starter series.
• 100 A rated operational current.
• 55 kW motor rating at 400 V AC.
• 220–400 V AC operating voltage.
• 24 V AC/DC control voltage.
• Integrated internal bypass relay.
• 2-phase controlled soft starting.
• Integrated Modbus RTU RS485 communication.
• Fast setup with simplified selector switch configuration.
• DIN rail and panel mounting compatibility.

Technical Specifications

• Manufacturer: Carlo Gavazzi
• Series: RSGD Soft Starters
• Model: RSGD40100F0VX311C
• Product type: Three-phase motor soft starter
• Rated operational current: 100 A
• Motor power at 400 V: 55 kW
• Motor power at 230 V: 30 kW
• Operating voltage: 220–400 V AC
• Control voltage: 24 V AC/DC
• Controlled phases: 2-phase
• Frequency: 50 / 60 Hz
• Protection rating: IP20
• Communication: Modbus RTU RS485
• Overload protection: Class 10
• Mounting type: DIN rail or panel mounting
• Internal bypass: Yes
• Dimensions (H × W × D): approx. 221 × 75 × 177 mm
• Operating temperature: -20 °C to +60 °C

Efficient Motor Starting for Industrial Automation

Soft starters such as the Carlo Gavazzi RSGD40100F0VX311C provide gradual motor acceleration by controlling startup voltage and current. This helps reduce mechanical wear, minimise electrical stress and improve reliability for connected motors, pumps, compressors and industrial drive systems.

The RSGD series is specifically designed for industrial automation environments where compact dimensions, integrated protection and communication functionality are essential. The built-in Modbus communication allows seamless integration into PLC and SCADA systems for improved monitoring and diagnostics.

Typical Applications

• Industrial pumps and water treatment systems.
• Conveyor and material handling equipment.
• Compressors and process machinery.
• HVAC and ventilation systems.
• Packaging and production machinery.
• OEM automation systems and industrial control panels.

Trusted by Industrial Engineers Worldwide

Carlo Gavazzi RSGD soft starters are widely used in industrial automation systems where reliable motor starting, integrated communication and reduced mechanical stress are essential for operational efficiency.