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137U4718 Danfoss iC7-Automation 450kW/600 3 phase regenerative AFE
Danfoss 137U4718 iC7-Automation enclosed variable frequency drive, a 450 kW three phase regenerative AFE drive with 820 A current rating, 380-500 V AC supply, IP54 / UL Type 12 enclosure, Modbus TCP communication and integrated STO / SS1-t functional safety.
£92,292.00
Why Choose the Danfoss 137U4718 iC7-Automation Enclosed Drive?
The Danfoss 137U4718 is a high-performance iC7-Automation enclosed variable frequency drive designed for demanding industrial motor control applications. Built on the advanced Danfoss iC7-Automation platform, this air-cooled enclosed drive provides precise speed control, regenerative capability and flexible integration for large three-phase AC motors.
This drive is engineered for installations requiring efficient motor operation, low harmonic impact and dependable automation connectivity. The Danfoss 137U4718 combines active front end regenerative drive technology with integrated safety functions, Modbus TCP communication and a durable enclosed cabinet format for modern industrial environments.
With a rated output power of 450 kW / 600 HP, a 820 A current rating and a three-phase 380–500 V AC supply, the 137U4718 is suitable for very high-power motor applications. Its IP54 / UL Type 12 enclosure provides enhanced protection for demanding indoor industrial installations where reliability, efficiency and uptime are essential.
Key Advantages
- High-power enclosed variable frequency drive for demanding industrial applications.
- 450 kW / 600 HP power rating suitable for very large motor systems.
- 820 A current rating for heavy-duty motor control.
- Three-phase 380–500 V AC input compatible with industrial power networks.
- Regenerative AFE drive design supports efficient energy recovery.
- IP54 / UL Type 12 enclosure for enhanced environmental protection.
- Integrated STO and SS1-t functional safety with fieldbus support.
- Modbus TCP communication for automation and control system integration.
Key Features
- Danfoss iC7-Automation enclosed drive.
- 450 kW / 600 HP rated output power.
- 820 A current rating.
- Three-phase regenerative AFE drive.
- 380–500 V AC mains voltage.
- IP54 / UL Type 12 protection rating.
- EMC Category C3.
- Modbus TCP OS7MT communication interface.
- Integrated Safe Torque Off (STO) and SS1-t functional safety.
- Control Panel 2.8 OPX20 included.
- Standard I/O and Relay Option OC7C1.
- Additional general purpose and temperature measurement I/O options.
- Mains contactor and switch included.
- 24 V DC control power supply.
- Coated boards for enhanced environmental protection.
Advanced Regenerative Motor Control for Industrial Systems
Variable frequency drives such as the Danfoss 137U4718 regulate motor speed by adjusting the frequency and voltage supplied to the motor. This enables smoother operation, improved process accuracy and reduced energy consumption compared with fixed-speed motor systems.
The regenerative active front end design allows energy from braking or overhauling loads to be returned to the supply network, making the 137U4718 especially suitable for applications where high inertia, frequent braking or energy recovery are important. With Modbus TCP connectivity, integrated functional safety and an IP54 enclosed cabinet, it supports reliable operation in demanding automation and process control installations.
Typical Applications
- Large industrial pumps and pumping stations.
- High-capacity fans and ventilation systems.
- Compressors and process air systems.
- Cranes, hoists and regenerative lifting systems.
- Test stands and high-inertia motor applications.
- Water and wastewater treatment plants.
- Heavy-duty conveyors and material handling systems.
- Industrial process control and manufacturing plants.
Technical Specifications
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| Power | 450 kW | |
|---|---|---|
| Current | 820 A | |
| Voltage | 500 V | |
| Phase | Three Phase | |
| IP Rating | IP54 | |
| Series | iC7-Automation | |
| Model code | IC7-60EA3A05-820AE54F3+BAMT+BEF2+CAC0+CBT0+CCT0+DAAU+EGXX+TASE+GACO+GCEP+IFCS+IHAT+OAOF+QALS | |
| Product type | Enclosed variable frequency drive | |
| Drive category | Air-cooled enclosed drive | |
| Drive type | Three-phase regenerative AFE drive | |
| Rated output power | 450 kW / 600 HP | |
| Current rating | 820 A | |
| Mains voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Protection rating | IP54 / UL Type 12 | |
| EMC category | C3 | |
| Frame | AE11 + IE11 | |
| Communication interface | Modbus TCP OS7MT | |
| Standard I/O | I/O and Relay Option OC7C1 | |
| Option slot A | General Purpose I/O OC7C0 | |
| Option slot B | Temperature Measurement OC7T0 | |
| Option slot C | Temperature Measurement OC7T0 | |
| Functional safety | STO, SS1-t, fieldbus | |
| Control panel | Control Panel 2.8 OPX20 | |
| Control power supply | 24 V DC | |
| Mains input device | Mains contactor and switch | |
| Grounding device provision | Provision for grounding device | |
| Cooling method | Air cooled | |
| Cooling air option | Cooling air outlet flange | |
| Power unit service beam | Lifting support for power unit | |
| Net weight | approx. 980 kg | |
| Gross weight | approx. 1110 kg | |
| EAN | 5715253731551 |
Frequently Asked Questions
What is the Danfoss 137U4718 used for?
The Danfoss 137U4718 is used to control the speed and torque of large three-phase AC motors in demanding industrial automation, regenerative motor control and process applications.
What power rating does this drive provide?
The drive has a rated output power of approximately 450 kW / 600 HP.
What supply voltage does the Danfoss 137U4718 require?
The 137U4718 is designed for a three-phase 380–500 V AC mains supply.
What does regenerative AFE mean?
Regenerative AFE means the drive uses an active front end design that can return braking energy back to the supply network, improving efficiency in suitable applications.
Which safety functions are included?
The drive includes Safe Torque Off (STO) and SS1-t functional safety features with fieldbus support.
Trusted by Industrial Automation Engineers Worldwide
Danfoss iC7-Automation enclosed drives are trusted by engineers and system integrators for efficient high-power motor control, regenerative performance and reliable automation integration in demanding industrial environments.
