PHONEALERT®
PHONEALERT® is a complete range of visual and acoustic call repeaters designed for telephone systems, public address applications and alarm signalling.
Manufactured in robust die-cast aluminium enclosures, PHONEALERT® units are suitable for industrial and outdoor environments and provide IP66 protection.
All models feature a built-in telephone interface for direct connection to any analogue telephone line (FXS).
SAX450T [EOL JAN 2026] – Visual & Acoustic

SAX450T is a visual and acoustic telephone call repeater designed for areas with high ambient noise. It features IP66 protection and a built-in telephone interface and requires a 230 VAC power supply. It is compatible with all Teleindustria analogue and VoIP telephones.
- Sound pressure level: 120 dB at 1 metre
- Visual signalling: 15 J Xenon beacon
- SAX450T 15 J - 120 dB - 230Vca
SAP450T – Acoustic 120 dB

SAP450T is an acoustic telephone call repeater designed for high-noise environments. It features IP66 protection and a built-in telephone interface and requires a 230 VAC power supply.
It is compatible with all Teleindustria analogue and VoIP telephones.
- Sound pressure level: 120 dB at 1 metre
- SAP450T 120 dB - 230Vca
SOX450T / SOL450T – Xenon/LED Signallers

SOX450T and SOL450T are visual telephone call repeaters equipped respectively with a Xenon beacon (5, 10 or 15 J) or LED beacon. Both versions provide IP66 protection and feature a built-in telephone interface.
They are compatible with all Teleindustria analogue and VoIP telephones. The SOX450T requires a 230 VAC power supply.
- SOX450T Xeno 15J - 230 Vac
- SOL450T with LED
RRT450 Repeater relay

RRT450T is a telephone call repeater relay with IP66 protection and a built-in telephone interface. It requires no external power supply and provides a voltage-free changeover contact.
It is compatible with all Teleindustria analogue and VoIP telephones.
- RRT450T 1 NO/NC contact