Moulded case circuit breaker For motor protection | explosion-protected | Type : 8523/82-13-020 | AC rated operational voltage : 690 V | Min. current-setting range : 16 A | Max. current-setting range : 20 A | No. of poles : 3 | Release : without | Auxiliary contacts : 1 NC + 1 NO | Connection cross-section : 1,5 ... 10 mm2 Finely stranded | 1,5 ... 10 mm2 Solid | Aux. cont. conn. cross-section: 0,75 ... 1,5 mm Finely stranded | 0,75 ... 2,5 mm Solid | Enclosure material : Epoxy resin or polyester resin | Enclosure size : 130 mm x 115 mm x 11 | Application range (zones) : 1 , 2 | Gas explosion protection : II 2 G Ex db eb IIC | Firedamp protection : I M2 Ex db eb I | min. ambient temperature : -20 °C | max. ambient temperature : +60 °C | Service life, min. : 10^5 operating cycles | For further information, see : r-stahl.com WebCode 8523A