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MTL PEX 7250 Explosion Proof Alarm Annunciator

The Crouse-Hinds series MTL PEX7250 Explosion Proof Alarm Annunciator offers a vast range of features and benefits normally reserved for use in safe area annunciators only. The heart of the system is our field proven Series 725 Alarm Annunciator, which is available in 3 individual window sizes.

Reliability of the system is vastly improved over conventional systems with the use of ASIC’s (Application Specific Integrated Circuits) for each pair of alarms, removing any reliance on common control cards.  The standard enclosure is copper free cast alloy, finished in a light grey two-part epoxy paint, making it ideal for offshore applications. 

Systems are available in a range of formats and sizes and are certified for use in Zone 1 hazardous areas.

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Efficiency
Multi-redundant design
Safety
Zone 1, 2, 21 and 22 Hazardous areas
Ease of Use
Fully field programmable

Certifications and compliances

 

ATEX certified to:

  • EN60079-0:2012 +A11:2013
  • EN60079-1:2014, EN60079-11:2012
  • EN60079-31:2013
  • Group II, Category 2 GD, Ex d IIB H2
  • Group IIIC IP66/67
  • T100ºC/85ºC

Sutable for use in:

  • Zones 1 or 2. Gas Group IIB +H2 or IIA 
  • Zones 21 or 22. Dust
  • Temp Class up to T85ºC for Ta = 40ºC
  • Temp Class up to T100ºC for Ta = 55ºC

Certificate No.:

  • Baseefa06ATEX0089X

Environmental Ratings:

  • Operating temperature: -20 to 40ºC for T85ºC; -20 to 55ºC for T100ºC
  • Humidity: 0-95% RH, non-condensing
  • IP65 as standard, IP66 can be obtained using suitable sealant and gasket

Design features

  • Suitable for use in Zone 1, 2, 21 and 22 Hazardous areas
  • Certified Ex d IIB +H2 T100 ºC/T85ºC
  • Ultra-bright LED illumination as standard
  • Multi-redundant design (ensuring no single point can cause failure)
  • Fully field programmable for all standard ISA sequences plus a range of options
  • IEC61508 certified version to IL2 level
  • Options include: Horn and Group Relays, Repeat relays per channel, RS485 communications

Standard materials

  • Standard Ex d enclosure:  copper-free aluminium alloy, finished in a light grey epoxy paint
  • Ex de Control Station and Ex e Terminal Box: GRP
Caratteristiche

Ordering Information

For ordering information, please use the link below to visit the resources section for this product family
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