Ca. 10 min can be increased at low ambient temperatures
IECEx
ATEX (Directive 2014/34/EU), ATEX II 1G Ex ia IIC T4 Ga, cCSAus Class I, Div. 1 Group A, B, C & D T4, Ex ia, CE Marking RED (Directive 2014/53/EU), Class I, Zone 0, A/Ex ia IIC T4 Ga, IECEx Ex ia IIC T4 Ga