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Home › Hazardous Area Products › Audible & Visual Warning Signals › Combination Units › MEDC CU1 Combination Sounder Beacon Range

MEDC CU1 Combination Sounder Beacon Range

Eaton’s Crouse-Hinds series MEDC CU1 combination sounder/beacon range is designed for use in potentially explosive atmospheres. Suitable for marine and both onshore and offshore environments in the oil, gas and petrochemical industries.

DURABLE – Glass reinforced polyester, corrosion-free flamepath

RELIABLE – Withstands harsh environmental conditions

FLEXIBLE – 27 tones, user selectable (dual tone option – dc voltage)

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Eaton’s Crouse-Hinds series MEDC CU1 combination sounder/beacon range is designed for use in potentially explosive atmospheres. Suitable for marine and both onshore and offshore environments in the oil, gas and petrochemical industries.

The CU1 has a sound output of up to 116dB(A) and tube energy of up to 10 joules (beacon).

The flamepaths, flare and body are manufactured from a UV stable glass reinforced polyester. Stainless steel screws and mounting stirrup are incorporated to ensure a corrosion-free product.

Design features

  • IP66 and 67
  • Certified temperature: –58°F to 158°F, –50°C to +70°C*
  • Up to 116 dB(A)*
  • Version with independent beacon/sounder operation available
  • 27 tones, user selectable (dual tone option – dc voltage)
  • Tones comply with UKOOA/PFEER guidelines
  • Integral volume control
  • GRP corrosion-free flamepath
  • Ratcheted swivel mounting stirrup
  • Stainless steel fixtures
  • Tapered flamepath

*Model dependent

Standard materials

  • Body, flares & covers: glass reinforced polyester (GRP)
  • Lens: glass
  • Guard fitted as standard: stainless steel
  • Cover screws & mounting strap: stainless steel

Certifications and compliances

ATEX Ex de

  • Cert. no. Baseefa04ATEX0273X
  • Certified to: EN60079-0, EN60079-1, EN60079-7
  • Ex II 2G, Ex de IIB T4 Gb

IECEx Ex de

  • Cert. no. IECEx BAS 11.0149X
  • Certified to: IEC60079-0, IEC60079-1, IEC60079-7
  • Ex de IIB T4 Gb

INMETRO Ex d e

  • Ex de IIB T4 Gb

MEDC CU1 Combination Sounder Beacon Range Datasheet

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