Drum overfill alarm that fits into a 3/4 inch drum bung.  Very narrow stainless steel float switch will fit into the small bung.  Electronics are Intrinsically Safe for Hazardous Locations.  Class 1, Div. 1 gas groups C&D.

Metal electronics enclosure survives drops when transferring fro drum-to-drum in filling operations.

Built-in grounding lug.

Durable Lexan LED lens.

When the level causes the float switch to rise, a loud piezo buzzer sounds which can be shut off with the convenient push button.