Marking of the unit: ExII 1G Ex ia IIB T6 Ga Ta: -20...70°C ExII 2G Ex ia IIC T6 Gb Ta: -20...70°C ExII 1D Ex ia IIIC T 90°C Da Ta: -20...70°C ExII 1G Ex ia IIB T5 Ga Ta: -20...80°C ExII 2G Ex ia IIC T5 Gb Ta: -20...80°C ExII 1D Ex ia IIIC T 100°C Da Ta: -20...80°C Switching frequency: 1800 Hz Electrical design: Connection to certified intrinsically safe circuits with the max. values U = 15 V / I = 50 mA / P = 120 mW Mounting: non-flush mountable Housing materials: housing: PBT, cover: PC Sensing range: 4 mm SKU VYZB4QYH7TP6D2 Connection: silicone cable / 2 m, 4 x 0.34 mm² Nominal voltage: 8.2 DC, (1kΩ) V Output status indication: LED 2 x yellow Protection: IP 67 Output function: 2 x normally closed Product Name: NN5009 Ambient temperature: -20...80 °C Shortcode: IND2004DN/1D/1G/2G