Safety temperature limiter | explosion-protected | Type : 8146/5041-STB25A/+50- +300°C | AC rated operational voltage : 400 V | Rated operational current : 16,000 A | Max. output AC load condition : 1-2 400 V AC1/16 A | 1-4 400 V AC1/6.3 A | Measuring range : 50 to 300 °C | Enclosure material : Polyester resi, Glass fibre reinforced | Application range (zones) : 1 , 2 , 21 , 22 | Degree of protection (IP) : IP66 | Gas explosion protection : II 2 G Ex db eb IIC T6 Gb | Dust explosion protection : II 2 D Ex tb IIIC 80 °C Db | min. ambient temperature : -40 °C | max. ambient temperature : +40 °C | Drilled holes : 1 x M20 | Cable glands and entries : 1 x M20 Ø 4 – 13 mm | Cable entry material : Polyamide, black | For further information, see : r-stahl.com WebCode 8146K