| MX56 Series Product Selection Table | |||
| Model | Coil Voltage | Coil Termination | Auxiliary Contact |
| MX56BD | 12 Vdc | Coil Screw, M4 | None |
| MX56BDB | 12 Vdc | Coil Screw, M4 | SPST, Normally Open |
| MX56CD | 24 Vdc | Coil Screw, M4 | None |
| MX56CDB | 24 Vdc | Coil Screw, M4 | SPST, Normally Open |
| MX56FD | 48 Vdc | Coil Screw, M4 | None |
| MX56FDB | 48 Vdc | Coil Screw, M4 | SPST, Normally Open |