Rated for Category 2 use (formerly Zone 1 & 2) ATEX approved II 2G Exd e IIC T6 Clear audible signal designed to penetrate background noise Weatherproof to IP66 Rugged construction Choice of voltages; Syrex Bell - Data Sheet

Klaxon Syrex Exd Buzzer ATEX 110v AC - TCA-0069 (17-970235); Rated for Category 2 use (formerly Zone 1 & 2) ATEX approved II 2G Exd e IIC T6 Heavy duty buzzer Weatherproof to IP66 Rugged construction; Syrex Buzzer - Data Sheet

Rated for Zone 0, 1 & 2 use ATEX approved II 1G EEx ia IIC T4 ABS flame retardant UL94V0 & 5VA housing Weatherproof to IP65; Syrex IS - Instructions Syrex IS - Data Sheet

Klaxon Duplo Powerful Motor Siren 110v AC/DC - SLB-0001 (18-980214); High output siren sound (127dB) Rugged construction for use in all environments Long life and run time Weatherproof to IP65 Mounting bracket for ease of installation; Duplo - Data Sheet Duplo - Instructions

Approved by ATEX and CQST • IMETRO and IECEX(Pending) ATEX: II 2G Exd IIC T4 - T6 (incorporating IIA & IIB) Zones 1&2, Zones 21&22 (Pending) Conforms to EN (IEC) 60079-0 EN (IEC) 60079-1 and EN54 Volume control Dustproof & Weatherproof; Exd Sounder - Data Sheet

No power supply required Robust and compact for portability Powerful low frequency sound Universally recognised signal Shutter mechanism to provide three or more signals 120 dB @ 1 metre; Hand Operated Siren - Data Sheet Hand Operated Siren - Instructions