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Danfoss VLT Soft Starter MCD 500 MCD50469BT5G4X
Danfoss 134N9357 VLT Soft Starter MCD50469BT5G4X00CV2 soft starter for controlled starting and stopping of industrial three-phase motors with 469 A operational current.
Why Choose the Danfoss 134N9357 Soft Starter?
The Danfoss 134N9357, also identified as the MCD50469BT5G4X00CV2, is a heavy-duty VLT® Soft Starter MCD 500 engineered for the controlled starting and stopping of high-power three-phase induction motors. As part of the proven Danfoss MCD 500 series, it delivers intelligent motor protection, adaptive acceleration control and reliable performance for demanding industrial applications.
Designed for continuous industrial operation, the MCD 500 series reduces electrical inrush current while minimising mechanical stress on motors, gearboxes, belts and driven equipment. Integrated bypass technology, advanced monitoring and programmable motor protection help maximise equipment availability while reducing maintenance requirements.
With a 469 A current rating, three-phase 380-525 V AC supply and integrated bypass contactor, the Danfoss 134N9357 is ideally suited to heavy-duty pumps, compressors, conveyors, crushers, fans and other industrial machinery requiring dependable soft starting performance.
Key Advantages
- Advanced industrial soft starter for high-power three-phase motors.
- 469 A rated operational current.
- Three-phase 380-525 V AC supply.
- Integrated bypass contactor improves efficiency.
- Reduces electrical inrush current and mechanical wear.
- Comprehensive motor protection and diagnostics.
Key Features
- Danfoss VLT® Soft Starter MCD 500 series.
- MCD50469BT5G4X00CV2 model.
- 469 A rated current.
- 380-525 V AC (T5) supply voltage.
- 110-120 / 220-240 V AC (CV2) control supply.
- Integrated bypass contactor.
- Adaptive acceleration and deceleration control.
- Graphical keypad with advanced diagnostics.
Advanced Soft Starting for Heavy Industrial Motors
Soft starters gradually increase the voltage supplied to a motor during start-up, reducing current surges and mechanical shock. This improves system reliability, extends equipment life and lowers maintenance costs for motors and driven machinery operating in demanding industrial environments. The Danfoss VLT® Soft Starter MCD 500 range is widely used where dependable motor protection and controlled starting are essential.
With intelligent motor protection, programmable control functions and comprehensive diagnostics, the MCD 500 series integrates seamlessly into industrial automation systems across manufacturing, mining, utilities and process industries.
Typical Applications
- Industrial conveyors.
- Water and wastewater pumps.
- Large compressors.
- Fans and ventilation systems.
- Crushers and heavy-duty processing equipment.
- Mining, manufacturing and process industries.
Technical Specifications
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| Current | 469 A | |
|---|---|---|
| Voltage | 110 V | |
| Phase | Three Phase | |
| IP Rating | IP00 | |
| Series | VLT® Soft Starter MCD 500 | |
| Part number | 134N9357 | |
| Product type | Soft starter | |
| Rated current | 469 A | |
| Duty rating | AC53a industrial duty | |
| Input voltage | 200–525 V AC | |
| Input phases | 3-phase | |
| Control voltage | 110 VAC / 220 VAC | |
| Protection rating | IP00 | |
| Mounting type | Panel mounting | |
| Frame size | G4 / Frame size 4 | |
| Gross weight | approx. 49.5 kg | |
| Net weight | approx. 49.5 kg | |
| EAN | 5710107953622 |
Frequently Asked Questions
What is the Danfoss 134N9357 used for?
The Danfoss 134N9357 provides controlled starting and stopping of large three-phase induction motors while reducing electrical inrush current and mechanical stress.
What is the current rating of this soft starter?
The Danfoss 134N9357 has a 469 A rated operational current.
What supply voltage does it require?
The soft starter operates from a three-phase 380-525 V AC supply.
Does it include an integrated bypass?
Yes. The MCD50469BT5G4X00CV2 includes an integrated bypass contactor to improve operating efficiency and reduce heat generation.
Where is the Danfoss 134N9357 typically installed?
It is typically installed inside industrial electrical control panels for heavy-duty motor control and automation applications.
Trusted by Industrial Engineers Worldwide
Danfoss VLT® Soft Starter MCD 500 units are trusted worldwide for delivering reliable motor protection, intelligent soft starting and dependable performance across demanding industrial applications.
