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134L1637 Danfoss VLT AQUA Drive FC 200 400 KW / 550 HP, 380 - 480 VAC, IP54
MPN: 134L1637
Alt. SKU: FC-202P400T4E5MN2XGC3XXSXXXXA0BXCXXXXDX
Why Choose the Danfoss 134L1637 VLT® AQUA Drive FC 202?
The Danfoss 134L1637 is a high-power VLT® AQUA Drive FC 202, engineered for large-scale water, wastewater and industrial fluid handling systems. This advanced variable frequency drive (VFD) delivers precise motor control, high energy efficiency and robust performance in demanding heavy-duty applications.
Designed specifically for pump and process systems, the AQUA Drive range incorporates advanced features such as pressure regulation, flow optimisation and cascade pump control. These capabilities reduce energy consumption, minimise hydraulic stress and improve system reliability across critical infrastructure.
With a rated output power of 400 kW and compatibility with three-phase 380–480 V AC supply, the Danfoss 134L1637 is ideal for large pumping stations, water treatment plants and industrial systems requiring high-capacity motor control.
Key Advantages
- Purpose-built AQUA drive for water and wastewater systems.
- 400 kW motor capacity for large-scale applications.
- Three-phase 380–480 V AC input compatibility.
- Advanced energy optimisation reduces operational costs.
- Improves system reliability and reduces mechanical stress.
- Designed for continuous operation in heavy industrial environments.
Key Features
- Danfoss VLT® AQUA Drive FC 202 series.
- 400 kW (550 HP) rated output power.
- Three-phase 380–480 V AC input supply.
- IP54 / Type 12 enclosure with main shield.
- AAF006 LHD filter with A2 RFI filter for EMC performance.
- Integrated graphical local control panel (LCP).
- Coated PCB for harsh environments.
- Mains disconnect with fuse for enhanced safety.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® AQUA Drive FC 202
- Model: 134L1637
- Product type: AC variable frequency drive
- Rated output power: 400 kW (550 HP)
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Frequency: 50 / 60 Hz
- Protection rating: IP54 / Type 12 with main shield
- Mounting type: Panel / floor mounting
- Frame size: E9
- RFI filter: AAF006 + A2 RFI
- Brake chopper: Not included
- PCB coating: Coated
- Mains option: Disconnect with fuse
High-Power Motor Control for Critical Infrastructure
The VLT® AQUA Drive FC 202 controls motor speed by adjusting output voltage and frequency, enabling accurate regulation of flow, pressure and system performance. This enhances energy efficiency while reducing wear on pumps and mechanical components.
With advanced features such as Automatic Energy Optimisation and integrated cascade control, this drive is particularly suited for large-scale installations where reliability, efficiency and uptime are essential.
Typical Applications
- Large-scale water and wastewater treatment plants.
- High-capacity pumping stations.
- Industrial process and fluid handling systems.
- District energy and HVAC infrastructure.
- Irrigation and large water distribution networks.
Frequently Asked Questions
What is the Danfoss 134L1637 used for?
This drive is designed for controlling high-power pumps and motors in water and wastewater applications, ensuring efficient and reliable system operation.
What motor power does this drive support?
It supports motors with a rated output power of 400 kW.
What supply voltage does it require?
The drive operates on a three-phase 380–480 V AC supply.
Is this model suitable for heavy industrial environments?
Yes, with its IP54 / Type 12 enclosure and coated PCB, it is designed for demanding industrial conditions.
Does it include a brake chopper?
No, this configuration does not include a brake chopper.
Trusted by Infrastructure Engineers Worldwide
Danfoss VLT® AQUA Drives are widely trusted for delivering high-efficiency, reliable motor control in critical water and industrial infrastructure applications.
| Manufacturer Part Number | 134L1637 |
|---|---|
| Barcode | 5710107767915 |
| Height | 2000mm |
| Width | 1200mm |
| Depth | 500mm |
| Filter | Filter Included |
| Degree of protection (IP) | IP54 |
| KW Rating | 400kW |
| VSD Range | Danfoss VLT AQUA Drive FC 200 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-202P400T4E5MN2XGC3XXSXXXXA0BXCXXXXDX |
This unit is designed for water and wastewater applications and has a variety of powerful features, with add-ons which can enhance performance. These drives are suited to new or retrofit projects.
Adding motor control to pumps and blowers used for water and wastewater treatment means it's easier to handle variable workloads. This drive provides between 10% and 30% savings in the first year alone, when compared to traditional drives, as it offers low maintenance costs and energy consumption.
The quick and user-friendly setup of water and pump settings reduces installation time ensuring a fast route to maximum energy efficiency and motor control.
Supply voltages and power range
1 x 200-240 V...1.1-22 kW
1 x 380-480 V...7.5-37 kW
3 x 200-240 V...0.25-45 kW
3 x 380-480 V...0.37 kW – 1 MW
3 x 525-600 V...0.75-90 kW
3 x 525-690 V...45 kW – 1.4 MW
Low harmonic drive
3 x 380-480 V...132-710 kW
12-pulse drive
3 x 380-690...250-1400 kW
Features and benefits
- Assets are protected thanks to specially designed software that prevents, for example, water hammering
- Energy efficiency is maximized as a result of the drives control algorithms and design which focus on reducing heat loss
- High energy savings related to air conditioning are ensured due to the unique back-channel-cooling concept that transfers 90% of heat away from the room
- Electromagnetic interference and harmonic distortion are reduced thanks to the built-in, scalable RFI filter and integrated DC link chokes
- Perfect system integration and adaptation to the application are possible due to freely programmable warnings and alerts
- 3–8% energy savings are achieved as a result of Automatic Energy Optimization
Applications
Centrifugal pumps and blowers, positive displacement blowers.
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For further information on this product please get in touch with our team or visit the Danfoss website.