The MTU AMP AUTOMATIC TRANSFER SWITCH 120/208 VAC 3∅ ZG5SA12031-04E601U is a sensor/switch from MTU. It senses object presence, distance, or position (or switches an electrical circuit) and converts that into an output signal for machine control or monitoring. Key specifications noted on this listing include 208 VAC, 1200 AMP. It is commonly in packaging machinery, material handling, and automated inspection systems.
