Johnson Controls AS-UNT121 — The AS-UNT121 module from Johnson Controls’ Metasys AS series is equipped to manage various input and output operations

Part number	AS-UNT121
Brand	Johnson Controls
Description	The AS-UNT121 module from Johnson Controls’ Metasys AS series is equipped to manage various input and output operations
Manufacturer	Johnson Controls
Product Line	Metasys AS
Part Number	AS-UNT121
Weight	1.00 lbs (0.45 kg)
Analog Inputs	6 Inputs
Binary Inputs	4 Inputs
Analog Outputs	2 Outputs
Binary Outputs	6 Triac Outputs
I/O Terminations	Quick Connects (Spade Lugs)
Network	N2 Bus, Isolated N2 Circuitry
Power Supply	24 VAC
Operating Temperature	-40°C to 60°C
Storage Temperature	-40°C to 70°C

The AS-UNT121 module from Johnson Controls’ Metasys AS series is equipped to manage various input and output operations. A robust construction supports a range of operational conditions and can integrate effectively into existing systems.

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.