The Appleton AMP EXPLOSION PROOF SNAP SWITCH 120/277 VAC EDSF21AQ is a sensor/switch from Appleton. It detects the presence, position, or proximity of a target object, or switches a circuit, outputting a signal to trigger or monitor a machine process. Key specifications noted on this listing include 277 VAC, 20 AMP. It is commonly in production lines requiring accurate detection or operator control.
