This Telemecanique SGA-8179 magnet switch SGA8179 480VAC/VDC 1.0A 25VA max is a sensor/switch manufactured by Telemecanique. It detects a change in state, position, or presence and relays that information to a controller or operator interface. Key specifications noted on this listing include 480VAC, 1.0A. It is commonly in packaging machinery, material handling, and automated inspection systems.
