SD150 Red 63 Tone Electronic Sounder, 100 → 240 V ac, 115dB at 1 Metre, ATEX

  • RS Stock No. 787-2215
  • Mfr. Part No. SD150ACNNARDN
  • Brand Moflash
Technical Reference
Legislation and Compliance
RoHS Status: Exempt
Product Details

Explosion Proof Sounder, SD125 & SD150 Series

These electronic sounders have been approved for use in potentially explosive atmospheres, hazardous areas and very harsh environmental conditions.
Typical applications are Oil and Gas, On-shore & Offshore, Chemical, Petrochemical, Refineries & Marine locations, etc.
The sounder 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 design of these alarm sounders allow for termination inside the enclosure. Both the SD125 & SD150 are supplied with a stainless steel mounting bracket as standard.

3 stage alarm with 63 selectable tones
5-20 watts adjustable power rating
Sound output up to 115dB at 1 metre
Volume control
Dustproof and weatherproof
Red (RAL3001)
316 stainless steel or GRP (Glass Reinforced Plastic) enclosure
IP66 / IP67 protection
Temperature -40 to +70°C
Accepts upto ≤2.5mm2 incorporating rising clamp protectors
Cable entry 4 x M20
RoHS compliant and CE marked


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.

Hazardous Area

Attribute Value
Supply Voltage 100 → 240 V ac
IP Rating IP66, IP67
Decibels at 1 Metre 115dB
Current Type AC
Number Of Tones 63
Housing Colour Red
Mounting Style Bracket
Diameter 282 mm
Series SD150
Maximum Temperature +70°C
Hazardous Area Certification ATEX
Housing Material Glass Reinforced Plastic
Minimum Temperature -40°C
Available to back order for despatch 30/07/2018
Price Each
£ 500.09
(exc. VAT)
£ 600.11
(inc. VAT)
Per unit
1 +
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