... Mutual (FM) ApprovalProject ID: 3013394E5 Explosion Proof for use in Class I, Div. 1,Groups B, C and D;Dust ... Ignition Proof for use in Class II/III,Div. 1, Groups E, F and G ... valid for Modbus and HART® option.I5 Intrinsically Safe for Class I, II, III, Div. 1,Groups A, B, C ... 70°C max ambient.Control Drawing: 9150077-944.Non-Incendive Class I, Div. 2, GroupsA, B, C and D; ...