Miniature Circuit Breakers mMCCB-4 pole
| In/IΔn | Type Designation | Article No. | Units Per Package |
| 1 | mMCCB-1/4 | 139218 | 1/30 |
| 2 | mMCCB-2/4 | 139219 | 1/30 |
| 4 | mMCCB-4/4 | 139221 | 1/30 |
| 6 | mMCCB-6/4 | 139222 | 1/30 |
| 10 | mMCCB-10/4 | 139223 | 1/30 |
| 16 | mMCCB-16/4 | 139225 | 1/30 |
| 20 | mMCCB-20/4 | 139226 | 1/30 |
| 25 | mMCCB-25/4 | 139227 | 1/30 |
| 32 | mMCCB-32/4 | 139228 | 1/30 |
| 40 | mMCCB-40/4 | 139229 | 1/30 |
| 50 | mMCCB-50/4 | 139230 | 1/30 |
| 63 | mMCCB-63/4 | 139231 | 1/30 |
