| 1 | YT-1000,1050,3300,3301,3302,3303, 3350,3400,3450
SPTM-5V,6V,65V | EAC | II Gb X, III Db c X |  |
| 2 | YT-2500,2600 | EAC | 1Ex ia IIC T6 T5 Gb X/Ex ia IIIc T85°C T100°C Db X
1Ex d IIC T6 T5 Gb X/Ex ib IIIc T85°C T100°C Db X | |
| 3 | YT-2XX/3XX/4XX/5XX | EAC | II Gb c X/III Db c X | |
| 4 | YT-940 | FM | DIP/II,III/1/EFG/T5 Ta=60°C ;Type 4X | |
| 5 | YT-1000 | CSA | Ex md IIB T5 | |
| 6 | YT-1000 | NEPSI | Ex dmb IIC T6 | |
| 7 | YT-1000 | NEPSI | Ex ia IIC T6 | |
| 8 | YT-1000 | KCs | Ex dmb IIC T5 | |
| 9 | YT-1000 | KCs | Ex dmb IIB T5/T4 | |
| 10 | YT-1000 | KCs | Ex ia IIB T6 | |
| 11 | YT-1000 | FM | DIP/II,III/1/EFG/T5 Ta=60°C ;Type 4X | |
| 12 | YT-1000 | TIIS | IIB T5 | |
| 13 | YT-1050 | KCs | Ex dmb IIB T5 | |
| 14 | YT-1000, 1050 | ATEX | II2G Ex d mb IIB T5 | |
| 15 | YT-1000, 1050 | TR CU EAC | 1Ex d mb IIB T5 Gb X | |
| 16 | YT-1000, 1050 | IECEx | Ex db mb IIB T5 Gb | |
| 17 | YT-2300 | ATEX | II2G Ex ia IIC T5/T6 | |
| 18 | YT-2300 | IECEx | Ex ia IIC T5/T6 | |
| 19 | YT-2300 | KCs | Ex ia IIC T5/T6 | |
| 20 | YT-2400 | CSA | Ex d IIB T6 | |
| 21 | YT-2400 | NEPSI | Ex d IIB+H2 T6 | |
| 22 | YT-2400 | ATEX | II2G Ex d IIB T6 | |
| 23 | YT-2400 | IECEx | Ex d IIB T6 | |
| 24 | YT-2400 | KCs | Ex d IIB(+H2) T6 IP66 | |
| 25 | YT-2500 | KCs | Ex ia IIC T5/T6 | |
| 26 | YT-2500 | NEPSI | Ex ia IIC T5/T6 | |
| 27 | YT-2501 | KCs | Ex ia IIC T5/T6, Ex iaD IIIC T100°C/T85°C | |
| 28 | YT-2550 | KCs | Ex ia IIC T5/T6, Ex iaD IIIC T100°C/T85°C | |
| 29 | YT-2550+L/S | KCs | Ex ia IIC T5/T6, Ex iaD IIIC T100°C/T85°C | |
| 30 | YT-2500, 2550, 2501 | ATEX | Ex ia IIC T5/T6 Gb, Ex ia IIIC T100°C/ T85°C Db IP6x | |
| 31 | YT-2500, 2550, 2501 | IECEx | Ex ia IIC T5/T6 Gb, Ex ia IIIC T100°C/ T85°C Db IP6x | |
| 32 | YT-2600 | ATEX | ExdbIICT5/T6, ExtbIIICT85°C/T100°C | |
| 33 | YT-2600 | IECEx | ExdbIICT5/T6, ExtbIIICT85°C/T100°C | |
| 34 | YT-2600 | KCs | Ex d IIC T5/T6 IP66 | |
| 35 | YT-2700 | KCs | Ex ia IIC T5/T6 | |
| 36 | YT-3100 | ATEX | Ex ia IIC T5/T6 Gb | |
| 37 | YT-3100 | IECEx | Ex ia IIC T5/T6 Gb | |
| 38 | YT-3300 | KCs | Ex ia IIC T5/T6 | |
| 39 | YT-3300 | NEPSI | Ex ia IIC T5/T6 | |
| 40 | YT-3300+LS(dry contact) | KCs | Ex ia IIC T5/T6 | |
| 41 | YT-3350 | KCs | Ex ia IIC T5/T6 | |
| 42 | YT-3350+LS(dry contact) | KCs | Ex ia IIC T5/T6, Ex iaD IIICT T100°C/T85°C | |
| 43 | YT-3300, 3350, 3301, 3303 | ATEX | Ex ia IIC T5/T6 Gb, Ex ia IIIC T100°C/ T85°C Db IP6x | |
| 44 | YT-3300, 3350, 3301, 3303 | IECEx | Ex ia IIC T5/T6 Gb, Ex ia IIIC T100°C/ T85°C Db IP6x | |
| 45 | YT-3300, 3301, 3303, 3350 | TR CU EAC | 1Ex ia IIC <> Gb X, Ex ia IIIC <>Db X | |
| 46 | YT-3300, 3301, 3303, 3350 | FM | Type 4X and IP66 | |
| 47 | YT-3303 | KCs | Ex ia IIC T5/T6, Ex iaD IIICT T100°C/T85°C | |
| 48 | YT-3400 | KCs | Ex d IIC T5/T6 IP66 | |
| 49 | YT-3400, 3450 | CSA | Ex db IIC T5/T6 | |
| 50 | YT-3400, 3450 | NEPSI | Ex db IIC T5/T6 | |
| 51 | YT-3400, 3450 | ATEX | Ex db IIC T5/T6, Ex tb IIIC T85°C/T100°C | |
| 52 | YT-3400, 3450 | IECEx | Ex db IIC T5/T6, Ex tb IIIC T85°C/T100°C | |
| 53 | YT-3400, 3450 | TR CU EAC | 1Ex d IIC T6/T5 Gb X, Ex tb IIIC T85°C/T100°C Db X | |
| 54 | YT-3400, 3410, 3450 | FM | DIP/II, III/1/EFG/ T6 | |
| 55 | YT-3700, 3750 | ATEX | Ex ia IIC T5/T6 Gb, Ex ia IIIC T100°C/ T85°C Db IP6x | |
| 56 | YT-3700, 3750 | IECEx | Ex ia IIC T5/T6 Gb, Ex ia IIIC T100°C/ T85°C Db IP6x | |
| 57 | YT-870 | KCs | Ex d IIC T6 | |
| 58 | YT-875 | KCs | Ex d IIC T6 | |
| 59 | YT-870, 875 | CSA | Ex db IIC T6 | |
| 60 | YT-870, 875 | ATEX | ExdbIICT6, ExtbIIIC T85℃ | |
| 61 | YT-870, 875 | IECEx | Ex db IIC T6, Ex tb IIIC T85°C | |
| 62 | SPTM-6V | KCs | Ex d IIC T6 IP67 | |
| 63 | SPTM- 5V / 6V, 65V | TR CU EAC | 1Ex ia IIC T5 Gb / 1Ex d IIC T6 Gb | |
| 64 | YT-720 | KCs | Ex d IIC T6 | |
