EXDSOUNDER The EXD Sounder has been approved for use in potentially explosive atmospheres and very harsh environmental conditions. The unit incorporates a three stage alarm option with sixty three tones to choose from which includes four tones that can be recorded or customised by the installer. All tones can be pre-set during installation. The units also have the ability to be fitted with a telephone initiation function and can be used as the second ring output indicator for telephones when installed in very noisy environments. The design allows for termination inside the enclosure. The sounder is supplied with a mounting bracket as standard. Features ■ 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 Applications Oil and Gas, On-shore and Offshore, Chemical, Petrochemical, Refineries & Marine locations etc. Approvals & Conformities Part No. Voltage (50/60Hz) Sounder Sound Output at 1m Body Colour 3 Stage alarm with 63 TCB-0017 24 VDC Up to 115 dB Red Selectable tones TCB-0018 100-240 VAC 3 Stage ,ala,rm with 63 Up to 115 dB Red Selectable tones IP Rating: IP66/67 Operating Temp: -40°C to +70°C Construction: Glass Reinforced Plastic Cable Entries: 4 x M20, M25, 1/2"NPT, 3/4"NPT Weight: 5.4kg