Data sheet Program. controller, 15/20 relays MCX15B2 / MCX20B2 Electronic controller suitable for all HVAC/R software application needs.

Data sheet Program. controller, 15 relays, MCX15B2 / MCX20B2 o 16 analog and 22 digital inputs o 6 analog and 20 digital outputs o 10 analog and 22 digital inputs o 6 analog and 15 digital outputs • Ultra wide range power supply from 24 - 230 V AC • USB connector for easy software upload and datalogging • Ethernet with Web server feature and several IP protocols • Remote access to data through CANbus connection for additional display and keyboard • RTC clock for managing weekly time programs and data logging information with supercapacitor as temporary backup power • Up to two Modbus RS485 opto-isolated...

Data sheet Program. controller, 15 relays, MCX15B2 / MCX20B2 Accessories code numbers 080G0404 Electron. control accessories, Connector Kit for MCX20B2, MCX series Connector Kit for MCX20B2, Used for product: MCX series, Packing format: Multi pack, Quantity per packing format: 50 Product portfolio Table: Portfolio overview Power supply Built-in display (optional) Analog Inputs Digital Inputs Analog Outputs Digital Outputs Product image Ethernet / Web server USB/Memory Card Dimensions (1 DIN module = 17.5 mm) 3 | © Danfoss | Climate Solutions | 2025.10

Data sheet Program. controller, 15 relays, MCX15B2 / MCX20B2 4 | © Danfoss | Climate Solutions | 2025.10

Data sheet Program. controller, 15 relays, MCX15B2 / MCX20B2 5 | © Danfoss | Climate Solutions | 2025.10

Data sheet Program. controller, 15 relays, MCX15B2 / MCX20B2 6 | © Danfoss | Climate Solutions | 2025.10

Data sheet Program. controller, 15 relays, MCX15B2 / MCX20B2 7 | © Danfoss | Climate Solutions | 2025.10

Data sheet Program. controller, 15 relays, MCX15B2 / MCX20B2 -VOLTAGE FREE or 24 V DIGITAL INPUT (DI5 - DI22) VOLTAGE FREE 8 | © Danfoss | Climate Solutions | 2025.10

Data sheet Program. controller, 15 relays, MCX15B2 / MCX20B2 Table: Top board Connectors Digital input 1 connector 3 way screw plug-in connector type 9 | © Danfoss | Climate Solutions | 2025.

Data sheet Program. controller, 15 relays, MCX15B2 / MCX20B2

Data sheet Program. controller, 15 relays, MCX15B2 / MCX20B2 Table: User Interface 11 | © Danfoss | Climate Solutions | 2025.10

Data sheet Program. controller, 15 relays, MCX15B2 / MCX20B2 Contact details Online support Danfoss offers a wide range of support along with our products, including digital information, software, mobile apps and expert guidance. See the possibilities below. The Danfoss Design center Discover the Design Center, our advanced digital platform that streamlines product selection. With integrated tools and enhanced type pages, it's simpler than ever to access product information and documentation, and to select the right products. Check the availability of Danfoss products at partner locations and...