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137X3909 Danfoss iC7-Automation 250kW/350 3 phase low-harmonic drive
Danfoss 137X3909 iC7 Automation enclosed variable frequency drive, a 480 A three phase 380-500 V AC low-harmonic drive with IP21 / UL Type 1 enclosure, PROFINET RT communication and integrated functional safety.
£44,131.50
Why Choose the Danfoss 137X3909 iC7 Automation Enclosed Drive?
The Danfoss 137X3909 is a high-performance iC7 Automation enclosed variable frequency drive (VFD) designed for demanding industrial motor control and automation applications. As part of the advanced Danfoss iC7 Automation enclosed drive series, it provides precise speed and torque control for large three-phase AC motors used in process plants, manufacturing facilities and heavy-duty industrial systems.
This enclosed drive combines Danfoss iC7 drive technology with a robust air-cooled cabinet design, helping simplify installation while supporting dependable operation in demanding environments. The low-harmonic configuration is designed to reduce harmonic distortion, making it suitable for installations where power quality, efficient motor control and reliable automation integration are essential.
With a rated current of 480 A, a three-phase 380–500 V AC supply and an IP21 / UL Type 1 enclosure, the Danfoss 137X3909 is ideal for high-power motor control applications requiring a complete enclosed drive solution. The configured model includes PROFINET RT communication, standard I/O, relay option and functional safety features including STO and SS1-t.
Key Advantages
- Complete enclosed variable frequency drive solution for industrial motor control.
- 480 A rated current suitable for high-power applications.
- Three-phase 380–500 V AC input compatible with industrial power systems.
- Low-harmonic drive design helps improve power quality.
- PROFINET RT communication for automation network integration.
- Integrated functional safety with STO and SS1-t.
Key Features
- Danfoss iC7 Automation enclosed drive series.
- Product code 137X3909.
- IC7-60EA3H05-480AE21F3+BAPR+BEF2+CAC0+DAAU+EGXX+GACO+IFCS+IHAS configured model code.
- 480 A rated current.
- Three-phase 380–500 V AC input supply.
- IP21 / UL Type 1 enclosure rating.
- EMC Category C3.
- Control Panel 2.8 OPX20 included.
- Standard I/O with relay option OC7C1.
- PROFINET RT OS7PR communication.
- Functional safety: STO, SS1-t and fieldbus.
Reliable Motor Control for High-Power Industrial Systems
Variable frequency drives such as the Danfoss 137X3909 regulate motor speed by adjusting output voltage and frequency. This enables smoother operation, improved process control and reduced mechanical stress on motors, pumps, fans, compressors and driven machinery.
The iC7 Automation enclosed drive platform is designed for industrial applications that require high current capacity, robust cabinet protection, advanced communications and integrated safety functions. Its low-harmonic design supports improved power quality in demanding electrical installations.
Typical Applications
- Industrial pumps and pumping stations.
- Large fans, blowers and ventilation systems.
- Compressors and process equipment.
- Conveyors and material handling systems.
- Manufacturing and production machinery.
- Water treatment and process automation systems.
Technical Specifications
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| Power | 250 kW | |
|---|---|---|
| Current | 480 A | |
| Voltage | 500 V | |
| Phase | Three Phase | |
| IP Rating | IP21 | |
| Series | iC7 Automation Enclosed Drives | |
| Product code | 137X3909 | |
| Product type | Enclosed variable frequency drive | |
| Drive type | Air-cooled low-harmonic drive | |
| Rated current | 480 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP21 / UL Type 1 | |
| Frame | AE10 + IE10 | |
| EMC category | C3 | |
| Control panel | Control Panel 2.8 OPX20 | |
| I/O option | Standard I/O and Relay Option OC7C1 | |
| Functional safety | STO, SS1-t, fieldbus | |
| Mounting type | Enclosed cabinet / floor-standing installation |
Frequently Asked Questions
What is the Danfoss 137X3909 used for?
The Danfoss 137X3909 is used to control the speed and torque of three-phase AC motors in high-power industrial automation and process control applications.
What drive series does this product belong to?
This product belongs to the Danfoss iC7 Automation enclosed drive series.
What is the rated current of the Danfoss 137X3909?
The Danfoss 137X3909 has a rated current of 480 A.
What supply voltage does this drive require?
The Danfoss 137X3909 is designed for a three-phase 380–500 V AC supply.
What communication option is included?
This configured drive includes PROFINET RT OS7PR communication for integration with industrial automation networks.
Trusted by Industrial Automation Engineers
Danfoss iC7 Automation enclosed drives are trusted by engineers and system integrators for efficient high-power motor control, low-harmonic performance and dependable integration into modern industrial automation systems.
