135-0758, AUER Signal, AUER Signal BU3 Series Panel Mount Buzzer, 230 / 240 V ac, IP 54, AC, Single-Tone, Brand AUER Signal, Supply Voltage 230 / 240 V ac, IP Rating IP 54 AUER Signal BU3 Series Panel Mount Buzzer, 230 / 240 V ac, IP 54, AC, Single-Tone