The Automation Components Inc. (ACI) 117855 Split Current Switch is an electrical monitoring device designed to detect current flow in HVAC equipment. It uses a split-core sensor to monitor a conductor without requiring wire disconnection and changes its output state when current reaches the configured threshold. This switch is suitable for monitoring blower motors, fans, pumps, and c... https://www.partshnc.com/117855-automation-components-inc-aci-split-current-sw-no-0-70-150a