Product Overview
Danfoss 080G0042 MCX15B is a legacy programmable electronic controller for refrigeration, air-conditioning and HVAC/R applications. It provides 15 digital outputs and supports CANbus, RS485 and Modbus communication for integration with local control networks and supervisory systems.
The controller was designed for programmable OEM equipment requiring coordinated control of compressors, fans, pumps, valves, alarms and auxiliary devices. Although this order number has been discontinued, it remains commercially relevant for maintenance and replacement of installed MCX15B systems.
Main Features
- Exact Danfoss order number: 080G0042
- MCX15B programmable HVAC/R controller
- 15 digital or relay outputs
- 24 VAC/DC supply voltage
- CANbus local-network communication
- RS485 and Modbus communication support
- Real-time clock functionality
- DIN-rail mounting
- IP40 enclosure rating
- Suitable for legacy refrigeration and HVAC/R equipment
Technical Specifications
| Brand |
Danfoss |
| Order Number |
080G0042 |
| Model |
MCX15B |
| Product Type |
Programmable electronic controller |
| Primary Application |
Refrigeration, air-conditioning and HVAC/R systems |
| Supply Voltage |
24 VAC/DC |
| Analog Inputs |
10 |
| Digital Inputs |
18 |
| Digital Outputs |
15 |
| Analog Outputs |
6 |
| Communication |
CANbus, RS485 and Modbus |
| Display |
Confirm according to the installed configuration |
| Mounting Method |
DIN rail |
| Enclosure Rating |
IP40 |
| Power Consumption |
12 W |
| Packing Format |
Multi pack |
| Quantity per Pack |
8 pieces |
| Lifecycle Status |
Discontinued |
Compatible System and Applications
The MCX15B can be found in refrigeration plants, chillers, heat pumps, packaged air-conditioning systems, industrial cooling equipment and custom OEM control panels. The controller normally operates with application software developed specifically for the original machine.
Matching the order number alone does not guarantee immediate operation. Software, parameter settings, communication address, I/O allocation and wiring configuration must be checked against the installed controller and machine documentation.
Maintenance and Replacement Notes
Danfoss 080G0042 has been discontinued. Official replacement possibilities include MCX15B2 and MCX20B2 configurations, but migration is not necessarily plug-and-play. Replacement may require application-program conversion, wiring verification, connector checks and recommissioning.
Before purchasing a replacement, confirm the complete order number, type designation, nameplate, supply voltage, firmware, application software, communication interface and connector configuration. Back up the existing program and parameters whenever possible.
Related Models
Related models include MCX15B2, MCX20B, MCX20B2, MCX152V and MCX061V. Danfoss replacement order numbers associated with this legacy family include 080G0327, 080G0328, 080G0329, 080G0330, 080G0331 and 080G0332. The correct replacement must be selected according to the original hardware and software configuration.
Inquiry and Supply Notes
Please provide a clear photograph of the original controller nameplate and describe the installed equipment when requesting a quotation. Availability, condition, hardware revision, software status, connector kit and delivery time should be confirmed before ordering.
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Danfoss 080G0042 MCX15B Programmable HVAC/R Controller Images
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