Danfoss 134N9348 VLT Soft Starter MCD50331BT5G3X00CV1 soft starter for controlled starting and stopping of industrial three-phase motors with 331 A operational current.
The Danfoss 134N9348 is a premium VLT® AutomationDrive frequency converter developed to provide precise speed and torque control for three-phase AC motors across demanding industrial applications. As part of the industry-leading Danfoss VLT® AutomationDrive series, it combines outstanding reliability, advanced motor control and energy-efficient operation for modern automation systems.
Designed for continuous operation, the VLT® AutomationDrive platform delivers exceptional flexibility through intelligent motor control, integrated diagnostics and modular communication options. Its robust construction and advanced thermal design make it suitable for harsh industrial environments while helping reduce operating costs and maximise equipment uptime.
The Danfoss 134N9348 is an excellent choice for machine builders, system integrators and industrial facilities requiring dependable variable speed motor control for conveyors, pumps, compressors, fans, mixers and production machinery. Its panel-mounted design enables straightforward installation into electrical control cabinets.
Variable frequency drives regulate motor speed by adjusting output voltage and frequency to match process demand. This improves production efficiency, reduces energy consumption and extends the service life of motors and mechanical equipment. The Danfoss VLT® AutomationDrive platform is recognised worldwide for its reliability, intelligent monitoring features and exceptional application flexibility.
Supporting numerous industrial communication protocols and advanced automation functions, the AutomationDrive series integrates seamlessly into manufacturing, material handling and process industries.
| Current | 331 A |
|---|---|
| Voltage | 24 V |
| Phase | Three Phase |
| IP Rating | IP00 |
| Series | VLT® Soft Starter MCD 500 |
| Part number | 134N9348 |
| Product type | Soft starter |
| Rated current | 331 A |
| Input voltage | 200–525 V AC |
| Input phases | 3-phase |
| Control voltage | 24 VAC/VDC |
| Frequency | 50 / 60 Hz |
| Protection rating | IP00 |
| Mounting type | Panel mounting |
| Frame size | G3 / Frame 3 |
| Gross weight | approx. 62.2 kg |
| Net weight | approx. 30.2 kg |
| EAN | 5710107953530 |
The Danfoss 134N9348 provides variable speed control for three-phase AC motors used in industrial automation and process applications.
It is an industrial AC variable frequency drive from the Danfoss VLT® AutomationDrive product range.
The drive supports both standard induction motors and permanent magnet motors depending on the application.
Yes. By matching motor speed to actual load requirements, it helps reduce electrical energy consumption while maintaining optimum performance.
It is commonly installed inside industrial electrical control panels serving manufacturing, material handling and process automation systems.
Danfoss VLT® AutomationDrive frequency converters are trusted across global industries for dependable motor control, advanced automation capabilities and outstanding long-term reliability.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...