Acoustic signal transmitter, 5m cable Directive 2014/34/EUEU-Type Examination CertificateNumber:PTB 24 ATEX 2002 XIECEx PTB24.0017XType SD16Ex mb [ia Gb] IIB T5 GbEx mb [ia Db] IIIC T85 °C DbAmbient temperature: -40 °C up to 60 °CNominal voltage 24 V DCMaximum rated voltage 33 V DCconnection cable: 3x 0.75 mm², 5 meterLoudness approx. 90 dB(A)