Communication and Signalling Equipment EX ResistTel Telephone EX FernTel Telephone EX Howl Call Telephone Weatherproof Telephone ResistTel Weatherproof Telephone FernTel Weatherproof Telephone FernTel W Weatherproof Phone Pillar Weatherproof VOIP Telephone Weatherproof ISDN Telephone EX Telephone Signal Combination eFSK EX Acoustic Telephone Call Signal Telephone Protection Hood Loudspeaker LS3000 EX Signalling Bell dGW 21 EX Sounder dEV21 EX Signalling Hooter HD22 Sirens F0, FI, FII, FIII Pneumatic Horn PH1 Strobe Light Profiflash EX Strobe Light dSLB20 EX Rotating Beacon dSLD21 Obstruction Light Skyline Alpha 1,2,3,4 Signalling Stack Light ML50 Mini Hooter with Warning Flash Light EX Sounder Strobe Combination YL6 Signal Combination Duo LED Ex Sounder Strobe Combination YL6         Hazardous areas often require the use of optical and acoustical signals for warning or information purposes. The Sounder-Strobe-Combination YL 6 offers both of these signalling features. It is designed for continuous operation. If the supply voltage is turned on, the Sounder-Strobe-Combination YL 6 is activated. The device is available in several versions with various levels of operating voltage and various signalling colours. The stable Aluminium / Glass housing is made to the IP66 degree of protection and may be used indoors or outdoors. ORDERING INFORMATION: PART NO. ITEM DESCRIPTION PRICE in Euros (€) 224 813 020 24 VDC RED - ATEX 996.00 224 807 020 230 VAC RED - ATEX 1,248.00 PDF Catalog. DELIVERS THE PROMISE