The Clifford & Snell YA90 series are Sounders with a high sound output of 115dB(A) at 1 metre and can be used in Zone 1, Zone 2, Zone 21 and Zone 22 areas. They are evaluated for marine use using Lloyds Register Type Approval System.
Features
2 stage alarm, independently selectable second stage
32 selectable tones meeting international regulations
Sound selection via 5 way DIL switch
Dual 20 mm gland entries as standard
Monitoring facility (DC only).