The sophisticated electronic circuitry and matching piezo driver combine to produce a very effective sound that mimics that of the traditional design and makes it ideal for use in areas with high ambient noise. In addition to the conventional pulsing output, the GPH generates two alternative warning tones, giving the installer or machine builder much greater flexibility in providing an effective warning signal. The GPH operates from 24VDC, 115 or 230VAC, is continuously rated and offers long operational life as there are no moving parts, diaphragms or contacts to wear out.

Manufactured from high grade, fire resistant polycarbonate, the CE and UL approved GPH has the option of surface or flush mounting and is protected to IP66 (UL Type 4/4X/13) when used with the weatherproof back box, making it suitable for use outdoors and in harsh environments. Two M20 cable glands simplify installation.

This unique design is ideally suited for process control alarm, moving machinery and general industrial signalling and compliments the existing E2S range of "electronic" sirens, bells and buzzers.