Certification | Intrinsic Safety: (SKC Cat. No. 701-001S & 701-001NBS) Class I, Groups A, B, C, D; Class II, Groups E, F, G; Class III, T4; Class I, Zone 0, AEx ia IIC T4 Ga; Ex ia IIC T4 Ga; -20°C ≤ Ta ≤ 45°C Ex II 1G Ex ia IIC T4 Ga IECEx UL 21.0026 DEMKO 21ATEX 2537 UL 22UKEX 2456 CE 0539 UKCA 0843 |