Guardian’s DTT-60 Industrial desk/wall analog telephone with armored handset cord is a non-hazardous rated version of Guardian’s Zone 1 DTT-60-Z model. It has a Type 4X, IP66 weather rating without being housed in a separate enclosure.

The DTT-60 has a few more standard features than our normal weather resistant units including a hands free speakerphone and a built-in ring detect relay.

All DTT and DTR models can be configured for either desk or wall mounting and can be used both indoors or outdoors.

Standards Compliance


A product complies with essential requirements of the relevant European health, safety and environmental protection legislation, in practice by many of the so-called Product Directives.

Allows for free trade between member states including EFTA & European Union (EU) single market.

Product Features

  • Static dissipative, high impact thermoset resin industrial housing and ergonomic heavy duty handset – IP-66 compliant
  • Heavy duty armored handset cord
  • Removable handset retainer latches on cradle
  • Back lit LCD display – 2 line x 16 character: English, French or Spanish
  • Reversible faceplate for desktop or wall mount configurations
  • Audio modes – handset & option of hands-free speaker phone or headset
  • Corrosion resistant hardware
  • Noise canceling microphone
  • Self resetting fuse prevents damage to the electronic circuits in the event of a high voltage spike on the telephone line
  • Magnetic reed hook switch to reduce parts subject to wear
  • Factory set to tone (DTMF) Operation
  • Pulse dialing can be software configured in the field, 40:60 or 33:66
  • Large urethane coated water tight silicon keypad
  • Link, release, redial and flash keys
  • Hearing-aid compatible (HAC) receiver
  • Receiver Volume Control provides user with a 16 dB range
  • Built in ring detect relay to switch up to 240V @ 5A
  • 20 number memory including 10 single quick dial numbers
  • Programmable auto hang-up timer
  • Two M20 and one M12 access ports
  • Field repairable by authorized personnel
  • Does not require external power – operates on telephone line power
  • Order Number: P3028
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