Johnson Controls M4-SNC16121-0H — Network Controller

Part numberM4-SNC16121-0H
BrandJohnson Controls
CategoryController
DescriptionNetwork Controller
ManufacturerJohnson Controls
Product TypeNetwork Controller
Product LineM4 Controllers
Part NumberM4-SNC16121-0H
Transmission Speeds (Ethernet)100 or 10 Mbps
Total I/O28 onboard points (Inputs and Outputs)
Non-Operating Temperature-40°C to 70°C
Power Supply24 VAC (North America), SELV (Europe)
Operating Temperature0°C to 50°C
Maximum MSTP Devices50 devices
Operating Humidity10% to 90% RH (30°C max dew point)
HousingBlack Polycarbonate & ABS blend
MountingDIN rail or flat surface with screws

The M4-SNC16121-0H from Johnson Controls is a robust network controller with versatile connectivity options. It offers Ethernet transmission speeds of either 10 or 100 Mbps and incorporates 28 I/O points, making it suitable for various applications.

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.

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