Test Phone - Industrial (3-way lead)

Step up from the base level and add RainSafeTM, DropSafeTM, and over-voltage/current protection

A buttset is the basic tool of the trade for anyone working on phone lines and is an essential tool to have in your toolbox.

The Aegis range of test telephones are designed for use on all PSTN systems by line installers, repair technicians, and other tradespeople for phone line testing and monitoring.  There is a model suitable for every application, from basic to advanced, meaning you can choose the butt set that is right for you.

The CZ20124 is the first of the industrial buttinskis focusing on ruggedness, reliability, and safety. DropSafeTM and RainSafeTM technology make these butt sets practically indestructible and the voltage and current protection technologies protect you from electrical hazards. The CZ20124 comes equipped with a multi-way lead set as standard meaning connection to Krone and RJ sockets are automatic. All the features of the base model butts are included making a truly valuable test phone.


  • Data Safe in Monitor Mode
  • Talk/Monitor/Ringer modes
  • Polarity indicating LED
  • DropSafeTM (6 meters onto concrete)
  • RainSafeTM
  • Tone & Pulse Dial
  • High Impedance Monitor
  • Field replaceable line cord
  • Durable belt clip
  • Krone, RJ, & Clip lead as standard

Note! Subject to technical change without notice.