Datasheet > Audible & visual signalling equipment SD 125 EX Sounder horn SIL2 compliant as IEC 61508 & IEC 61511 The flameproof SD125 sounder is ATEX / IECEx certified for use in potentially explosive atmospheres and provides loud warning sounds to signal alarms in tough hazardous area applications. It quickly alerts personnel to potential dangers or signals the need for immediate action in emergency situations. It is constructed from 316L stainless steel. ATEX / IECEx Certification: ATEX Zone 1 and Zone 2 Certified for gas / vapour and Zone 21 and Zone 22 compliant for dust / powder applications. SIL2 compliant as IEC 61508 & IEC 61511. Application: Oil and gas, chemical, petrochemical, pharmaceutical, marine and offshore applications. Key features: The explosion proof sounder (horn) can be set with up to three tones among 59 prerecorded tones (according to user control system). Pausing of the signal can be done by an external switch. Robust and highly reliable, the Ex horn / sounder is designed for corrosive environments and hazardous areas. The housing is made of 316L stainless steel covered with UV resistant paint. The mounting bracket is 316L Stainless steel. Options: A range of accessories is available to customise this ATEX / IECEx sounder / horn. These include pipe mounting brackets, sunshades, tag and duty labels and other accessories.  Phone: +44 (0)1752 333 933 | E-mail: [email protected] | Website: www.ex-techsignalling.com Ex-tech Signalling Bell Close, Plympton, Devon, PL7 4JH, UK Please note that whilst effort has been made to ensure the accuracy of this datasheet. Ex-tech Signalling will not assume liability for the use thereof. Ex-tech Signalling reserves the right to improve specifications without prior notice, please refer to our website for updated information or contact our local sales re

Datasheet > Audible & visual signalling equipment MATERIAL • Enclosure and bracket: Stainless steel 316L COLOUR • RED : RAL3001 • YELLOW : RAL1018 • BLUE : RAL5005 AMBIENT TEMPERATURE FOR • T6 = - 40°C ~ + 55°C , T5 = - 40°C ~ + 60°C, T4 = - 40°C ~ + 70°C OPERATION ATEX AREA ZONE • Gas zone: 1 & 2 Dust zone: 21 & 22 AMBIENT HUMIDITY* • until 95%* POWER SUPPLY • 12-48V DC • 115-230V AC NOMINAL (100 - 240V AC Range) RATED IMPULSE WITHSTAND • 1kV following IEC 61000-4-5 VOLTAGE CONSUMPTION • Adjustable from 5 to 25 W (factory setting 20W) SIGNALLING TYPE • 59 tones siren. Specific customer tones...

Datasheet > Audible & visual signalling equipment RD • = RED (STD) YW = YELLOW BU • = BLUE BL • = BLACK GN =GREEN GY • = GREY OJ = ORANGE OR O = OTHER Additional adaptors can be supplied as well as blanking plugs and cable glands, see below. CONDUIT ACCESSORIES Phone: +44 (0)1752 333 933 | E-mail: [email protected] | Website: www.ex-techsignalling.com Ex-tech Signalling Bell Close, Plympton, Devon, PL7 4JH, UK Please note that whilst effort has been made to ensure the accuracy of this datasheet. Ex-tech Signalling will not assume liability for the use thereof. Ex-tech Signalling reserves...