Johnson Controls M4-SNC25151-0H — Network Controller

Part number	M4-SNC25151-0H
Brand	Johnson Controls
Category	Controller
Description	Network Controller
Manufacturer	Johnson Controls
Product Type	Network Controller
Product Line	M4 Controllers
Part Number	M4-SNC25151-0H
Non-Operating Temperature	-40°C to 70°C
Total I/O	40 onboard points (25 Inputs, 15 Outputs)
Operating Humidity	10% to 90% RH (30°C max dew point)
Maximum MSTP Devices	50 devices
Mounting	DIN rail or flat surface with screws
Power Consumption	38 VA maximum
Storage Humidity	5% to 95% RH (30°C max dew point)
Ethernet Ports	2 Ethernet ports
Transmission Speeds (Ethernet)	100 or 10 Mbps
Housing	Black Polycarbonate & ABS blend
Power Supply	24 VAC (North America), SELV (Europe)
Operating Temperature	0°C to 50°C

The Johnson Controls M4-SNC25151-0H is a versatile network controller that manages various system components. It accommodates a range of operating conditions, functioning at 0°C and 50°C while maintaining performance under humidity levels from 10% to 90% RH, with a maximum dew point of 30°C.

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.