The Square D h 321 NDS 30A stainless fusible safety disconnect switch 3Ph 240VAC is a sensor/switch from Square D. It detects the presence, position, or proximity of a target object, or switches a circuit, outputting a signal used to trigger or monitor a machine process. Key specifications noted on this listing include 240VAC, 30A. It is commonly used in packaging machinery, material handling, and automated inspection systems.
