The UCS-121 Sequencer Control Module - Two Stage from Kele is a solid-state device used for multistage control in HVAC systems, sequencing boilers or chillers. The module also sequences floating/tri-state control of VAV boxes from a single analog signal for Building Automation Systems, BAS. The UCS-121 can be used to obtain a digital output from a voltage or current producing sensor. Units may be daisy chained to provide additional stages of control, and a mounting track is supplied for easy installation.
Product Literature:
Brand: Schneider Electric
SKU: KEL-UCS-121-H