Appendix 3: EPL Matrix
EPL matrix
Model
Ex ia, Ex ib, Ex ic
EPL
Ga
Da
TR21-A
TR21-B
TR21-C
WIKA additional information model TR21 (Ex i)
Ga/
Da/
Gb
Db
Gb
Db
Ex eb, Ex ec, Ex tb, Ex tc, Ex nA
Gc
Gb
Db
-
-
-
-
-
-
EN
Gc
Dc
-
-
-
-
-
-
19