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RSE4012-B – DIN MTR SOFT START 400V 12A
Carlo Gavazzi RSE4012-B three phase soft starter, a 12 A AC motor controller designed for controlled starting and stopping of industrial induction motors.
£328.87
Why Choose the Carlo Gavazzi RSE4012-B Soft Starter?
The Carlo Gavazzi RSE4012-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 acceleration, reduced mechanical stress and improved motor operation in industrial automation applications.
This DIN rail mounted soft starter uses semiconductor control technology with integrated bypass to provide efficient motor management while reducing the current surge associated with direct-on-line starting. The RSE series includes adjustable ramp functions, initial torque adjustment, LED indication and built-in transient overvoltage protection for dependable operation in industrial environments.
With a 12 A rated operating current, a 340–460 V AC operating voltage range and support for three-phase motors up to 5.5 kW at 400 V AC, the RSE4012-B is ideal for compact motor control applications requiring reliable soft starting and stopping.
Key Advantages
- Compact three-phase soft starter for induction motors.
- 12 A rated operating current for small and medium motor applications.
- 5.5 kW motor rating at 400 V AC for inline motor installations.
- Integrated bypass function improves efficiency after motor acceleration.
- Adjustable soft start, soft stop and initial torque settings.
- DIN rail mounting for simple installation inside control panels.
Key Features
- Carlo Gavazzi RSE series motor controller.
- Three-phase AC semiconductor soft starter.
- 12 A rated operational current.
- 340–460 V AC operating voltage range.
- 24–110 V AC/DC and 110–480 V AC control voltage range.
- Internal semiconductor bypass.
- LED indication for supply and operating status.
- Built-in transient overvoltage protection.
- DIN rail mounting design.
Reliable Motor Starting for Industrial Applications
Soft starters such as the Carlo Gavazzi RSE4012-B control the voltage applied to induction motors during starting and stopping, reducing mechanical shock, electrical stress and peak starting currents. This helps extend motor and machine service life while improving operational reliability.
The RSE series is designed for industrial automation engineers requiring compact motor control solutions. Its adjustable ramp functions, integrated bypass and DIN rail mounting make it suitable for modern electrical control panels and machinery applications.
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 | 12 A | |
| Power | 5.5 kW | |
| 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 | RSE4012-B | |
| Product type | Three-phase soft starter / motor controller | |
| Rated operating current | 12 A | |
| Rated operating voltage | 340–460 V AC | |
| Rated motor power | 5.5 kW at 400 V AC | |
| Control voltage | 24–110 V AC/DC and 110–480 V AC | |
| Motor type | Three-phase induction motors | |
| Mounting type | DIN rail mounting | |
| Internal bypass | Yes | |
| Protection rating | IP20 | |
| Width | 45 mm | |
| Height | 82 mm | |
| Depth | 102.5 mm |
Frequently Asked Questions
What is the Carlo Gavazzi RSE4012-B used for?
The RSE4012-B is used for soft starting and stopping three-phase induction motors in industrial automation and motor control applications.
What motor power does the RSE4012-B support?
The soft starter supports three-phase motors up to approximately 5.5 kW at 400 V AC.
What current rating does this soft starter have?
The Carlo Gavazzi RSE4012-B has a rated operating current of 12 A.
What voltage supply does the RSE4012-B operate with?
The unit operates with a rated voltage range of 340–460 V AC.
Does the RSE4012-B include a bypass function?
Yes, the RSE4012-B includes an integrated bypass function to improve efficiency after the motor reaches operating speed.
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.
