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137N7876 Danfoss iC7-Automation 400kW/550 3 phase low-harmonic drive
Danfoss 137N7876 iC7-Automation enclosed drive, an air-cooled low-harmonic AC variable frequency drive rated at 730 A with 380-500 V AC three-phase input and IP54 / UL Type 12 enclosure for demanding industrial motor control applications.
£68,006.25
Why Choose the Danfoss 137N7876 iC7-Automation Enclosed Drive?
The Danfoss 137N7876 is a high-performance AC variable frequency drive (VFD) from the advanced Danfoss iC7-Automation Enclosed Drive series, designed for demanding industrial motor control applications. Built as an enclosed, air-cooled drive solution, it provides dependable speed regulation, improved energy efficiency and robust operation for modern automation and process systems.
The iC7-Automation platform is developed for demanding industrial environments where power quality, connectivity and reliable motor control are essential. This model features a low-harmonic drive configuration, coated electronics, functional safety capability and a durable IP54 / UL Type 12 enclosure, making it suitable for harsh industrial locations and heavy-duty applications.
With a rated current of 730 A and a three-phase 380–500 V AC supply, the Danfoss 137N7876 is suitable for large motors used in pumps, fans, compressors, conveyors, process machinery and heavy industrial automation systems. Its enclosed cabinet construction supports straightforward installation while providing enhanced environmental protection and operational reliability.
Key Advantages
- High-performance iC7-Automation enclosed variable frequency drive.
- 730 A current rating for demanding industrial motor control.
- Three-phase 380–500 V AC input compatible with industrial power systems.
- Low-harmonic drive configuration helps improve power quality.
- IP54 / UL Type 12 enclosure for robust environmental protection.
- Coated electronics support reliable operation in demanding environments.
- Functional safety options help support modern machine safety requirements.
Key Features
- Danfoss iC7-Automation Enclosed Drive series.
- 730 A rated current.
- Three-phase 380–500 V AC input supply.
- IP54 / UL Type 12 enclosure.
- Low-harmonic air-cooled enclosed drive.
- EMC Category C3.
- Control Panel 2.8 OPX20.
- Standard I/O with relay option.
- Coated boards for increased industrial durability.
- Functional safety capability including STO.
- Designed for heavy-duty industrial automation applications.
Advanced Drive Control for Heavy-Duty Industrial Systems
Variable frequency drives such as the Danfoss 137N7876 regulate motor speed by adjusting output frequency and voltage. This helps improve process control, reduce mechanical stress and optimise energy consumption across large industrial machines and production systems.
The iC7-Automation enclosed drive platform is suited to applications where power quality, environmental protection and operational reliability are important. Its low-harmonic design helps reduce mains distortion, while the enclosed IP54 cabinet construction supports use in demanding industrial environments.
Typical Applications
- Heavy-duty industrial conveyors and material handling systems.
- Large pumps and water handling equipment.
- Industrial fans, blowers and ventilation systems.
- Compressors and process machinery.
- Production lines and manufacturing equipment.
- Mining, marine and heavy industrial automation systems.
- Applications requiring low-harmonic drive performance.
Technical Specifications
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| Power | 400 kW | |
|---|---|---|
| Current | 730 A | |
| Voltage | 500 V | |
| Phase | Three Phase | |
| IP Rating | IP54 | |
| Series | iC7-Automation Enclosed Drives | |
| Part Number | 137N7876 | |
| Product type | AC variable frequency drive | |
| Drive type | Enclosed air-cooled low-harmonic drive | |
| Rated current | 730 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Protection rating | IP54 / UL Type 12 | |
| EMC category | C3 | |
| Control panel | Control Panel 2.8 OPX20 | |
| PCB protection | Coated boards | |
| Cooling method | Air cooled | |
| Mounting type | Enclosed cabinet installation | |
| Application type | Heavy-duty industrial motor control | |
| Product status | Discontinued |
Frequently Asked Questions
What is the Danfoss 137N7876 used for?
The Danfoss 137N7876 is used to control the speed and torque of large three-phase AC motors in demanding industrial automation, process and machinery applications.
What current rating does this drive have?
This model has a rated current of approximately 730 A.
What supply voltage does the drive require?
The 137N7876 operates from a three-phase 380–500 V AC supply.
What enclosure rating does the Danfoss 137N7876 have?
The drive is supplied in an IP54 / UL Type 12 enclosed cabinet, suitable for demanding protected industrial environments.
What type of drive is the 137N7876?
It is an enclosed, air-cooled low-harmonic iC7-Automation variable frequency drive designed for heavy-duty industrial motor control.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation enclosed drives are used by industrial engineers, system integrators and plant operators who require reliable motor control, improved power quality and robust performance for demanding automation environments.
