Introducing CU3-10M - Smart, seamless integration

The CU3-10M is a compact central unit from the iNELS BUS system, designed to control smart homes, hotels, and commercial buildings. It features one BUS line for up to 32 devices and one RS-485 Modbus interface for integrating HVAC systems and other 3rd-party devices. With Ethernet connectivity, MQTT support, and iDM3 configurability, it bridges traditional building automation with modern cloud and BMS integration. It’s a powerful solution for both standalone and scalable smart installations.

Key Features at a Glance

Dual Communication Interfaces

• 1x iNELS BUS line (connect up to 32 devices)

• 1x Modbus RS-485 for HVAC & 3rd-party device integration

Ethernet (RJ45)

• Connects directly to iNELS Cloud or communicates with superior units over IP

MQTT Support

• Enables integration with 3rd-party platforms, BMS systems, and custom cloud apps

Compact DIN-Mountable Design

• 1-MODULE unit, easily installable on EN60715 DIN rail

• Powered by 27V DC from an iNELS power supply