Safety switch - 40 A | explosion-protected | Type : 8146/5-V37-305-51-1110-K | Spare of type : 8537/2-305-5005-K | 8537/2-705-7005 | AC rated operational voltage : 690 V | Rated operational current : 40 A | Enclosure material : Polyester resin Glass fibre reinforced | Detailed number of poles : 3-pole | Auxiliary contact NC : 1 NC | Auxiliary contact NO : 1 NO/delayed | Additional terminal : N-terminal | Application range (zones) : 1 , 2 , 21 , 22 | Gas explosion protection : II 2 G Ex db eb IIC T6 Gb | Dust explosion protection : II 2 D Ex tb IIIC T80 °C Db | min. ambient temperature : -40 °C | max. ambient temperature : +48 °C | Special conditions for extended ambient temperature, | see operating instructions: | Min. extended ambient temp. : -40 °C | Max. extended ambient temp. : +66 °C | Degree of protection (IP) : IP66 | Handle colour : Yellow shroud, red handle | Cable gland : 2 x M40 Ø 12 ... 28 mm | 1 x M20 Ø 4 ... 13 mm | Additional device : - | - | - | Aux. cont. conn. cross-section: 0,75 2,5 mm2 Finely stranded | ... 0 mm2 | For further information, see : r-stahl.com WebCode 8146L