Description

Est Edwards 757A-WB Surface Metal Back Box is specially designed for use with compatible life safety communication and control equipment. 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.

In fact, Est Edwards 757A-WB integrity’s rugged plastic housing comes made from durable and fire retardant, high-impact plastic with a slightly textured surface. Its ingenious mounting plate firmly holds the device in place with a single screw. Also, a separate trim plate is not require. Terminals accept up to #12 AWG (2.5mm2) wire for polarized connections.

In general, Strobes are ship with standard wall mount style “FIRE” lens markings. Where ceiling orientation, other languages, or different lens markings are require, Edwards offers optional LKW and LKC series Lens Marking Kits. Besides, these optional lens markings simply snap onto the strobe. In addition, integrity horns and horn-strobes come designed 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 / Specifications

• Durable red or white Noryl front plate
• Easy installation
• Field changeable field markings
• Approved for public and private mode applications
• Genesis-compatible