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Alarm sounder without beacon SD125 series


without beacon
Protection level
explosion-proof, rugged, iecex atex, IP66
Other characteristics
electronic, stainless steel, for harsh environments, bracket-mounted
Sound level

115 dB


The SD125 electronic sounder range has been approved for use in potentially explosive atmospheres and very harsh environmental conditions.

Typical applications are Oil and Gas, On-shore and Offshore, Chemical, Petrochemical, Refineries & Marine locations etc.

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.

• Approved by ATEX, IECEx
• CQST (Available on request only)
• ATEX: Ex d IIC T4~ T6 Gb Ex tb IIIC T135°C~T85°C
• Zones 1, 2, 21 & 22
• Conforms to:EN 60079-0:2012 (IEC 60079-0:2011), EN-60079-1:2007 (IEC 60079-1:2007), EN 60079-31:2009 (IEC 60079-31:2008)
• Volume control
• Dustproof & Weatherproof