| Model metal Inner door | Door | No.of breakers | Breakers qty(PCS) | No.of rows | |
| W | H | ||||
| MDTT43 | 300 | 400 | 2 rows X 12P | 24 | 2 |
| MDTT44 | 400 | 400 | 2 rows X 18P | 38 | 2 |
| MDTT54 | 400 | 500 | 3 rows X 18P | 54 | 3 |
| MDTT64 | 400 | 600 | 4 rows X 18P | 72 | 4 |
| MDTT65 | 500 | 600 | 4 rows X 23P | 92 | 4 |
| MDTT86 | 600 | 800 | 4 rows X 29P | 145 | 5 |
