RSE4803-B - DIN MTR SOFT START 480V 3A

RSE4803-B – DIN MTR SOFT START 480V 3A

Carlo Gavazzi RSE4803-B three phase soft starter, a 3 A AC motor controller designed for controlled starting and stopping of industrial induction motors.

SKU: RSE4803-BAlt SKU: RSE4803BMPN: RSE4803-B
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List Price £209.05 ex VAT
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Manufacturer Lead Time

£177.69

Why Choose the Carlo Gavazzi RSE4803-B Soft Starter?

The Carlo Gavazzi RSE4803-B is a compact and reliable three-phase AC semiconductor motor controller (soft starter) designed for controlled starting and stopping of three-phase induction motors. As part of the Carlo Gavazzi RSE series motor controller range, it provides smooth motor acceleration, reduced mechanical stress and improved operational reliability in industrial automation applications.

This DIN rail mounted soft starter uses semiconductor switching technology with an integrated bypass function to provide efficient motor control while reducing the current surge associated with direct-on-line starting. The RSE series offers flexible control options, LED indication and compact installation for modern electrical control panels.

With a 3 A rated operating current, a 408–552 V AC operating voltage range and support for three-phase motor applications, the RSE4803-B is ideal for compact motor control systems requiring reliable soft starting and stopping.

Key Advantages

  • Compact three-phase soft starter for induction motors.
  • 3 A rated operating current for small motor applications.
  • 408–552 V AC operating voltage range for higher voltage three-phase systems.
  • Integrated bypass function improves efficiency after motor acceleration.
  • Adjustable soft start and soft stop functions for reduced mechanical stress.
  • DIN rail mounting for straightforward control panel installation.

Key Features

  • Carlo Gavazzi RSE series motor controller.
  • Three-phase AC semiconductor soft starter.
  • 3 A rated operational current.
  • 408–552 V AC operating voltage.
  • 24–110 V AC/DC and 110–480 V AC control voltage range.
  • Internal semiconductor bypass.
  • LED indication for operating status.
  • DIN rail mounting design.

Reliable Motor Starting for Industrial Applications

Soft starters such as the Carlo Gavazzi RSE4803-B control motor starting and stopping by gradually managing power delivery to three-phase induction motors. This reduces mechanical shock, limits starting current peaks and helps improve the service life of motors and connected machinery.

The RSE series is designed for industrial automation engineers requiring compact motor control solutions. Its integrated bypass, flexible control supply options and DIN rail mounting format allow easy integration into electrical control systems.

Typical Applications

  • Industrial pumps and fans.
  • Conveyors and material handling systems.
  • Machine tools and production equipment.
  • Three-phase induction motor applications.
  • Industrial automation panels.
  • OEM machinery control systems.

Technical Specifications

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Motor Protection No
Current 3 A
Voltage 400 V, 480 V
Phase Three Phase
Coil / Supply Voltage 110–400 V AC, 24 V AC/DC
Manufacturer Carlo Gavazzi
Series RSE Series
Model RSE4803-B
Product type Three-phase soft starter / motor controller
Rated operating current 3 A
Rated operating voltage 408–552 V AC
Control voltage 24–110 V AC/DC and 110–480 V AC
Motor phases Three-phase
Control method 2-phase control
Internal bypass Yes
Mounting type DIN rail mounting
Protection rating IP20
Width 45 mm
Height 82 mm
Depth 102.5 mm

Frequently Asked Questions

What is the Carlo Gavazzi RSE4803-B used for?

The RSE4803-B is used for soft starting and stopping three-phase induction motors in industrial automation and motor control applications.

What current rating does the RSE4803-B have?

The Carlo Gavazzi RSE4803-B has a rated operating current of 3 A.

What voltage supply does the RSE4803-B operate with?

The unit operates with a rated operating voltage range of 408–552 V AC.

Does the RSE4803-B include a bypass function?

Yes, the RSE4803-B includes an integrated bypass function to improve efficiency after the motor reaches operating speed.

How is the RSE4803-B installed?

The soft starter is designed for DIN rail mounting inside industrial electrical control panels.

Trusted by Industrial Automation Engineers

Carlo Gavazzi RSE series soft starters provide reliable motor control solutions for industrial machinery, reducing mechanical stress and improving system performance.