Edwards Est 757-3A-T Temporal Horn Strobe is specially designed for use with compatible life safety communication and control equipment to alert occupants of a life safety event. The horn emits a piercing low-frequency sound that is easily heard above moderate ambient noise levels. Also, the flash from its strobe can be notice from almost any position in the room, corridor, or large open space. Integrity's rugged plastic housing comes made from durable and fire retardant, high impact plastic with a slightly textured surface. Besides, its ingenious mounting plate firmly holds the device in place with a single screw. A separate trim plate is not require. Terminals accept up to #12 AWG (2.5mm) wire for polarized connections. In general, Edwards Est 757-3A-T strobes come shipped with standard wall mount style lens markings. Where ceiling orientation, other languages, or different lens markings are require, EDWARDS offers optional LKW and LKC series Lens Marking Kits. These optional lens markings simply snap onto the strobe. In addition, integrity horns and horn-strobes are design for 16 to 33 Vdc operation and must be connect to signal circuits that output a constant (not pulsed) voltage. A diode is use to allow full signal circuit supervision. Features / Specification(more...)