Audible signalling devices

Wide range of audible signalling devices for safety in hazardous areas
R. STAHL's audible signalling devices issue clear signals in many different forms, such as horns, loudspeakers and buzzers, which they use to provide effective protection for systems and people in hazardous areas – even in harsh, offshore environments.

Audible alarms provide a warning, alert or information, for example in the event of equipment malfunctions or safety issues, or when systems are starting up. R. STAHL supplies alarm signalling equipment for use in harsh environments that issues clearly audible signals tailored to your specific application. Our comprehensive product range offers you the choice between various device types with different volumes, alert levels and signals (which can also be set to comply with international regulations), for example in the form of loudspeakers, buzzers or alarm horns. Take a look at what we have to offer, and you will find we have just the warning device you need.

  • Wide variety of models, e.g. loudspeakers, omnidirectional horns, alarm horns and buzzers
  • Certification for international use
  • Choice of 32 tones, multi-stage alarms, volume adjustable up to 120 dB
  • Depending on which version you choose, they are suitable for fire protection applications, safety applications or process monitoring in any onshore or offshore installation

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11 Series (82 Products)

GRP Flameproof Audible Signal - 110 dB(A) Series YA6S

  • Horn: Omnidirectional/max. 110 dB(A)
  • Type of protection: Ex d
  • Class: IP66/67 (IEC 60529/NEMA 4X)
  • Corrosion-resistant GRP enclosure
  • Mounting bracket included
  • 32 standardised preconfigured signal sounds (PFEER/UKOOA compatible)
  • Individual signal sounds can be chosen (2 for AC versions, 3 for DC versions)
  • Signal sound reduction up to 18 dB(A) adjustable
  • Telephone system connection/line monitoring optionally available to order

Explosion Proof Audible Signal - 110 dB(A) Series YA60

  • Horn: Omnidirectional/max. 110 dB(A)
  • Type of protection: Ex d
  • Class: IP 66/67 (IEC 60529/NEMA 4X)
  • Robust aluminium enclosure (powder-coated)
  • Individual sound selection via DIL switch for each sound level
  • Mounting bracket included
  • 32 standardised preconfigured signal sounds (PFEER/UKOOA compatible)
  • 2 independent signal channel sounds can be chosen
  • Telephone system connection optionally available to order
  • Horn: Omnidirectional/max. 110 dB(A)
  • Type of protection: Ex d
  • Class: IP 66/67 (IEC 60529/NEMA 4X)
  • Robust aluminium enclosure (powder-coated)
  • Individual sound selection via DIL switch for each sound level
  • Mounting bracket included
  • 32 standardised preconfigured signal sounds (PFEER/UKOOA compatible)
  • 2 independent signal channel sounds can be chosen
  • Telephone system connection optionally available to order

Flameproof Audible Signal – 115 dB (A) Series YA90

  • Horn: Directional/max. 115 dB(A)
  • Type of protection: Ex d
  • Class: IP 66 (IEC 60529)
  • Corrosion-resistant GRP enclosure
  • Mounting bracket included
  • 32 standardised preconfigured signal sounds (PFEER/UKOOA compatible)
  • 2 individual signal sounds can be chosen
  • Telephone system connection optionally available to order
  • Line monitoring optional

Hazardous Area Audible Signal - 100 dB (A) Series YA11

  • Horn: Omnidirectional/max. 100 dB(A)
  • Type of protection: Ex d
  • Class: IP 66 (IEC 60529/NEMA 4X)
  • Corrosion-resistant aluminium enclosure
  • Stainless steel mounting and console sealing element included
  • Prewiring preconfigured
  • 32 standardised preconfigured signal sounds (PFEER/UKOOA compatible)
  • Low installation height (29 mm)
  • Low weight (1.5 kg)

Signal Horn 105 dB (A) Series 8491/1 8491/2

  • Horn: Directional/max. 105 dB(A)
  • Type of protection: Ex e
  • Class: IP55/65 (IEC 60529)
  • Robust PC/ABS enclosure
  • Stainless steel mountings and console sealing element included
  • Signal horn series 8491/1: With trumpet and connection line
  • Signal horn series 8491/2: Compact design with Ex e connection chamber

Horn Series 8492

  • 49 different signal sequences adjustable with internal DIP switches
  • Three different signal sequences can be selected through an external switch with a given DIP switch setting
  • Three PFEER signals: "General alarm", "Toxic gas alarm", "Prepare to abandon platform"
  • Volume adjustable
  • Robust plastic enclosure (ABS)
  • Synchronized tone sequence of parallel operated devices by quartz-controlled oscillator
  • Option: speaker module, programmable

Horn Ex d and Ex de Series 8493

  • 32 different signal sequences adjustable with internal DIP switches
  • Three different signal sequences can be selected through an external switch with a given DIP switch setting
  • Three PFEER signals: „General alarm“, „Toxic gas alarm“ and „Prepare to abandon platform“
  • Volume control max. 117 dB(A)
  • Robust aluminium enclosure with horn in ABS
  • Synchronized tone sequence of parallel operated devices by quartz-controlled oscillator
  • Option: programmable module

Hazardous Area Loudspeaker - 25 or 15 W Series 8494

  • Loudspeaker: Directional/max. 121 dB(A)
  • Type of protection: Ex d with Ex e connection chamber
  • Class: IP66/67 (IEC 60529)
  • Corrosion-resistant polyamide enclosure
  • Stainless steel mountings included

Intrinsically Safe Audible Signal - 100 dB (A) Series YO4IS

  • Flame retardant ABS enclosure
  • Ex ia electronics
  • Max sound output 100 dB (A) @ 1 m
  • IP55 rated as standard
  • 2 stage alarm, independently selectable 2nd stage
  • Each with 32 selectable tones in accordance with international regulations
  • Independent tone selection using a DIL switch for each pitch
  • Stainless steel fixings
  • 15 dB(A) volume control adjustment (only T4 models)
  • Monitoring facility
  • M20 cable entry pre-punched

Intrinsically Safe Audible Signal - 105 dB (A) Series YO5IS

  • Flame retardant ABS enclosure
  • Ex ia electronics
  • Max sound output 105 dB (A) @ 1 m
  • IP55 rated as standard
  • 2 stage alarm, independently selectable 2nd stage
  • Each with 32 selectable tones in accordance with international regulations
  • Independent tone selection using a DIL switch for each pitch
  • Stainless steel fixings
  • 15 dB(A) volume control adjustment (only T4 models)
  • Monitoring facility
  • M20 cable entry
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