Customisable Signal Tower, STA & STB Series The STA and STB series from e2S are customisable signal towers featuring either 2 or 3 AlertAlight L101 type beacons. Each beacon position can contain either a Xenon or high output LED light source. The assembly of the STB2 beacon towers features a prewired junction box and cable loom enabling the end user to determine beacon type and position during installation. The STA version has a SONF1 alarm sounder which synchronises automatically on multi-unit systems. Features and Benefits • Multiple configurations of Xenon and LED beacons • Internal cable loom and termination PCB simplifies installation • Common negative/neutral supply minimises cabling • High output LED unit can be set to steady or flashing • Grey RAL7038 ABS housing with stainless steel fixings and 2 x M20 cable entries • Polycarbonate lens • IP66 ingress protection • Operating temperature of -25 to +55 °C Note All LED colours use a Clear lens to maximise output and to ensure the signal is most effective in high ambient light levels.