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Danfoss VLT Soft Starter MCD 500 MCD50396BT7G3X
Danfoss 134N9355 VLT Soft Starter MCD50396BT7G3X00CV2 soft starter for controlled starting and stopping of industrial three-phase motors with 396 A operational current.
Why Choose the Danfoss 134N9355 Soft Starter?
The Danfoss 134N9355, also identified as the MCD50396BT7G3X00CV2, is a high-capacity VLT® Soft Starter MCD 500 engineered for the controlled starting and stopping of large three-phase induction motors. As part of the proven Danfoss MCD 500 series, it delivers advanced motor protection, adaptive acceleration control and reliable performance for demanding industrial applications.
Designed for heavy-duty industrial environments, the MCD 500 series reduces electrical inrush current and minimises mechanical stress on motors, couplings, gearboxes and driven equipment. Its intelligent control algorithms, integrated bypass and comprehensive protection features help maximise equipment uptime while reducing maintenance costs.
With a 396 A current rating, three-phase 380-690 V AC supply and an integrated bypass contactor, the Danfoss 134N9355 is ideally suited for high-power pumps, compressors, conveyors, crushers, fans and other industrial machinery requiring dependable soft starting performance.
Key Advantages
- Advanced industrial soft starter for large three-phase motors.
- 396 A rated operational current.
- Three-phase 380-690 V AC supply.
- Integrated bypass contactor improves operating efficiency.
- Reduces electrical inrush current and mechanical wear.
- Comprehensive motor protection and diagnostics.
Key Features
- Danfoss VLT® Soft Starter MCD 500 series.
- MCD50396BT7G3X00CV2 model.
- 396 A current rating.
- 380-690 V AC (T7) 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 minimising 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 series provides intelligent motor protection, programmable control functions and advanced diagnostics, making it an ideal solution for modern industrial automation and process applications.
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 | 396 A | |
|---|---|---|
| Voltage | 110 V | |
| Phase | Three Phase | |
| IP Rating | IP00 | |
| Series | VLT® Soft Starter MCD 500 | |
| Part number | 134N9355 | |
| Product type | Soft starter | |
| Rated current | 396 A | |
| Input voltage | 380–690 V AC | |
| Input phases | 3-phase | |
| Control voltage | 110 VAC / 220 VAC | |
| Protection rating | IP00 | |
| Mounting type | Panel mounting | |
| Frame size | G3 / Frame 3 | |
| Gross weight | approx. 32 kg | |
| Net weight | approx. 30.2 kg | |
| EAN | 5710107953608 |
Frequently Asked Questions
What is the Danfoss 134N9355 used for?
The Danfoss 134N9355 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 134N9355 has a 396 A rated operational current.
What supply voltage does it require?
The soft starter operates from a three-phase 380-690 V AC supply.
Does it include an integrated bypass?
Yes. The MCD50396BT7G3X00CV2 includes an integrated bypass contactor to improve operating efficiency and reduce heat generation.
Where is the Danfoss 134N9355 typically installed?
It is typically installed inside industrial electrical control panels for heavy-duty motor control 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.
