Audible signal horn/voice 120/240VAC NEMA 3R

The 5530M, and 5531M Adaptatone Millennium devices are heavy-duty industrial, tone-selectable, stand-alone signals capable of producing volume-controlled, high-decibel tones. They use a microprocessor circuit to create 27 distinctive tones, selected by setting a miniature dip switch within the unit. The Adaptatone Millennium can be activated from ..eld-wired, normally open contacts, or from a 24Vdc external voltage source such as an output of a PLC