HS-EXT-401 Headset

The rugged and reliable HS-EXT-401 Intrinsically Safe Headset is field replacement for the standard handset on an EXT-401 Explosion Proof telephone or EXT-401 with assembly providing clear communication in noisy and hazardous area environments. The 20’ (9.5m) cord allows mobility for user.

Standards Compliance

UL WZAT.E117495

Class I, Groups B, C and D;
Class II, Groups E, F and G.

Telephones, Models 401UH301A, U301A, UH301B. Explosion-proof, provides intrinsically safe outputs when connected to Handset Part Nos. 301SC or , 301SCPB or Headset Model No. ISH1125.
UL Certificate WZAT.E117495

Part Nos. 301SC, 301SCPB Handset and Model No. ISH1125 Headset, Intrinsically safe when connected to Models 401UH301A, UH301B, U301A,
explosion proof telephones.

UL Certificate WZAT.E117495

Product Features

  • Field replacement for standard handset on EXT-401 telephone
  • Provides clear communication in noisy environments
  • UL listed − for use with EXT-401 Explosion proof telephone only
  • 20’ (9.5m) cord allows mobility for the user
  • Noise canceling microphone
  • Behind-the-head dual ear for use with a safety cap or helmet microphone boom
  • Adjustable Velcro strap
  • Comes with an adapter to connect to the EXT-401 or other compatible devices
  • Order number: P7221
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