Push-To-Talk (PTT) Or Push-To-Mute (PTM) (040901-0#)

  • Intrinsically Safe:  When used with Rescom Elite®
  • Reliable:  Jam-Proof buttons
  • High-Quality:  Superior contact switch
  • Connection Cord:  A high-quality, flame-retardant urethane cord provides extra durability
  • Intuitive Connectivity:  Plugs between the Rescom Headsets and the belt-mounted interfaces (DMI-E/DSI-E) 
  • Durable:  Molded strain relief increases product durability
  • Easy-to-Wear:  Clothing clip reduces unwanted movement 
  • Certifications:  NFPA, OSHA, CSA, UL, MSHA, IECEx, ATEX and ISO 9001:2015

These in-line Push-To-Talk (PTT) or Push-to-Mute (PTM) switches make communication on the job easier, faster and safer. They are designed for use with SED’s rescue communication systems, Rescom® Elite™ and Rescom® Modular™.


These switches keep the communication essential only as User can either opt for a Push-to-Talk (PTT) variant, which activates when the button is pressed or they can opt for a Push-To-Mute (PTM) variant, which mutes the voice when the button is pressed. 

The Push-to-Mute (PTM) switches are useful as it allows Users to communicate hands-free, eliminating the distraction of picking up the switch, while still having the ability to mute unnecessary communication with the click of a button. 

They can easily be locked into place with the slide-to-lock™ mechanism*.  The slide-to-lock mechanism allows the switch to be held in a depressed position, allowing users to operate it hands-free.
*Non-locking variants are also available.  


  • OSHA:  Meets all OSHA safety standards for confined space entry. 
  • CSA and UL:  Approved as per standard #C22.2 No.157-92 and UL #913 Seventh Edition (CSA File No. 224590-1669565)
    • Class I, Div. 1 Groups A, B, C, & D 
    • Class II, Div. 1 Groups E, F, G 
    • Class III Div. 1, Gaseous Mines
  • MSHA:  Tested for Intrinsic Safety in Methane-Air Mixtures Only when used with Rescom® Modular™. (Approval Number: 23-A100005-0)
  • IECEX:  Approved when used with Rescom Elite® or Rescom® Modular™
  • ATEX:  Approved when used with Rescom Elite® or Rescom® Modular™
  • ISO 9001:2015:  All SED products are ISO 9001:2015 certified.

Available Models

Model No. Description
040901-05 Push-to-Mute (PTM) Switch
040901-05(N)  Non-Locking Push-to-Mute (PTM) Switch
040901-06 Push-to-Talk (PTT) Switch
040901-06(N) Non-Locking Push-to-Talk (PTT) Switch

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