USB-MM440 Cable for Inverter MM440/430/V20
$25.00 – $45.00
USB-MM440 programming cable for Siemens MM440/430/420/V20 inverters. Stable RS485 communication for debugging and data download.
Description
USB-MM440 RS485 USB Programming Cable for Siemens MM440/430/420/V20 Inverters
The USB-MM440 is a high-performance USB-to-RS485 programming and communication cable, designed for Siemens inverter series, including MM440, MM430, MM420, and V20. With its upgraded chip and industrial-grade shielding, it ensures stable and interference-resistant data transmission during debugging, programming, and parameter downloads.
Key Features
- Broad Compatibility: Fully compatible with Siemens MM440, MM430, MM420, and V20 series frequency inverters.
- Stable RS485 Communication: Uses upgraded internal chip for strong, error-free USB to RS485 data exchange.
- Rugged Build: Features a premium anti-crush, anti-fall housing to protect internal circuits from industrial wear.
- Superior Shielding: Includes ground wire and shielding layer to ensure strong anti-interference capability.
- Plug-and-Play Support: Compatible with Windows XP/Vista/7/8/10 (32 & 64-bit), requiring minimal setup.
- Eco-Friendly Cable: Uses environmentally safe materials and durable insulation for long-term reliability.
Applications
- Debugging and programming Siemens inverters
- Downloading/uploading parameters via RS485
- Industrial automation, maintenance, and commissioning
- Real-time communication between PC and Siemens drives
Why Choose This Product
Engineered for professionals working in industrial automation, the USB-MM440 delivers unmatched reliability and communication quality. With enhanced interference protection and robust construction, it minimizes downtime and ensures efficient operation.
Technical Specifications
- Model: USB-MM440
- Length: 3 meters (default)
- Interface: USB to RS485 (2-wire)
- Supported Devices: Siemens MM440, MM430, MM420, V20 inverters
- Supported OS: Windows XP, Vista, 7, 8, 10 (32/64-bit)
- Cable Features: Shielded, grounded, anti-interference, eco-friendly outer shell
- Internal Chip: Upgraded for enhanced stability and communication reliability
Additional information
| Weight | 0.3 kg |
|---|---|
| Brand | AIENSN |
| Model Number | USB-MM440 |
| Model | Economical Version, High Performance + Electromagnetic Isolation Version, High Performance Version |








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