Danfoss 137U1804 iC7-Automation air-cooled frequency converter featuring 147 A current rating, 380-500 V AC three-phase operation, IP21 / UL Type 1 protection, Modbus TCP communication and STO functional safety for industrial automation systems.
£9,308.00
The Danfoss 137U1804 is a robust iC7-Automation air-cooled frequency converter designed for precise motor control in demanding industrial automation applications. As part of the advanced Danfoss iC7-Automation drive platform, it delivers reliable speed regulation, flexible communication and dependable operation for machine builders, OEMs and industrial control systems.
This frequency converter is engineered for use in modern drive cabinets, automation panels and production machinery where efficient motor control, protected installation and straightforward commissioning are essential. Its integrated I/O, Modbus TCP communication and Safe Torque Off functionality help simplify system integration while supporting reliable machine performance.
With a 147 A current rating, three-phase 380-500 V AC operation, IP21 / UL Type 1 protection and an FK08 frame size, the Danfoss 137U1804 is ideal for industrial motor control applications requiring strong drive performance and cabinet-ready installation.
The Danfoss iC7-Automation platform is designed to provide accurate motor control, flexible automation integration and dependable operation across industrial environments. The 137U1804 frequency converter supports efficient speed and torque control while enabling communication with PLCs and industrial Ethernet networks through Modbus TCP.
Its integrated digital and analogue I/O, air-cooled design and IP21 / UL Type 1 protection make it well suited for production machinery, drive cabinets and OEM automation systems where dependable performance and simple commissioning are important.
| Power | 75 kW |
|---|---|
| Current | 147 A |
| Phase | Three Phase |
| IP Rating | IP21 |
| Series | iC7-Automation |
| Part Number | 137U1804 |
| Catalogue Number | 7FC-AUFA3N05-147AE21F2-000142123 |
| Model Code | IC7-60FA3N05-147AE21F2+BAMT+BDBA+BEF1+BF20+DAAU |
| Product Type | Frequency Converter |
| Product Category | Air-Cooled Drive |
| Current Rating | 147 A |
| Input Voltage | 380-500 V AC |
| Input Phase | Three Phase |
| Protection Rating | IP21 / UL Type 1 |
| Frame Size | FK08 |
| Cooling Method | Air Cooled |
| EMC Category | C2 |
| Control Panel | 2.8 OPX20 |
| Standard I/O | 4xDI, 2xDI/O, 2xAI, 1xAO, 2xRO |
| Fieldbus Protocol | Modbus TCP OS7MT |
| Other Protocols | Ethernet port, no protocol |
| Functional Safety | STO, not upgradable |
| EMC Filter | Commercial |
The Danfoss 137U1804 is an iC7-Automation frequency converter used for controlling AC motors in industrial automation and machine control applications.
The drive has a nominal current rating of 147 A.
The 137U1804 operates from a three-phase 380-500 V AC supply.
This frequency converter supports Modbus TCP OS7MT fieldbus communication for industrial automation networks.
The Danfoss 137U1804 has an IP21 / UL Type 1 enclosure rating for protected cabinet and industrial installations.
Danfoss iC7-Automation frequency converters are trusted by automation engineers, OEMs and industrial operators for precise motor control, reliable connectivity and compact integration in demanding production environments.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...