The characteristic hooting sound clearly stands out from any ambient sound of higher frequency, and is available for all common supply voltages.
The dRGH21 version comprises a call current relay and issues the signals in the pulse rate of the incoming telephone call.
The housing is made of synthetic material, which ensures a corrosion-free operation and the classification in protection class II. Therefore, no equipotential bonding conductor is needed. The housing design provides a high degree of sturdiness with a light weight.
All DC variants are equipped with an electronic disconnector, which ensures a significantly longer life cycle compared to conventional solutions.
THE DIFFERENT AVAILABLE VERSIONS ARE DETAILED IN THE DATA SHEET