| References | Coil voltage | Coil Termination | Auxiliary Contact | Product Page |
| HX21BA | 12 Vdc | Flying leads 38 cm (15 in) | None | More info |
| HX21BAB | 12 Vdc | Flying leads 38 cm (15 in) | SPST Normally Open | More info |
| HX21BAC | 12 Vdc | Flying leads 38 cm (15 in) | SPST Normally Closed | More info |
| HX21BB | 12 Vdc | Flying leads 61 cm (24 in) | None | More info |
| HX21BBB | 12 Vdc | Flying leads 61 cm (24 in) | SPST Normally Open | More info |
| HX21BBC | 12 Vdc | Flying leads 61 cm (24 in) | SPST Normally Closed | More info |
| HX21BC | 12 Vdc | Flying leads 122 cm (48 in) | None | More info |
| HX21BCB | 12 Vdc | Flying leads 122 cm (48 in) | SPST Normally Open | More info |
| HX21BCC | 12 Vdc | Flying leads 122 cm (48 in) | SPST Normally Closed | More info |
| HX21CA | 24 Vdc | Flying leads 38 cm (15 in) | None | More info |
| HX21CAB | 24 Vdc | Flying leads 38 cm (15 in) | SPST Normally Open | More info |
| HX21CAC | 24 Vdc | Flying leads 38 cm (15 in) | SPST Normally Closed | More info |
| HX21CB | 24 Vdc | Flying leads 61 cm (24 in) | None | More info |
| HX21CBB | 24 Vdc | Flying leads 61 cm (24 in) | SPST Normally Open | More info |
| HX21CBC | 24 Vdc | Flying leads 61 cm (24 in) | SPST Normally Closed | More info |
| HX21CC | 24 Vdc | Flying leads 122 cm (48 in) | None | More info |
| HX21CCB | 24 Vdc | Flying leads 122 cm (48 in) | SPST Normally Open | More info |
| HX21CCC | 24 Vdc | Flying leads 122 cm (48 in) | SPST Normally Closed | More info |
| HX21FA | 48 Vdc | Flying leads 38 cm (15 in) | None | More info |
| HX21FAB | 48 Vdc | Flying leads 38 cm (15 in) | SPST Normally Open | More info |
| HX21FAC | 48 Vdc | Flying leads 38 cm (15 in) | SPST Normally Closed | More info |
| HX21FB | 48 Vdc | Flying leads 61 cm (24 in) | None | More info |
| HX21FBB | 48 Vdc | Flying leads 61 cm (24 in) | SPST Normally Open | More info |
| HX21FBC | 48 Vdc | Flying leads 61 cm (24 in) | SPST Normally Closed | More info |
| HX21FC | 48 Vdc | Flying leads 122 cm (48 in) | None | More info |
| HX21FCB | 48 Vdc | Flying leads 122 cm (48 in) | SPST Normally Open | More info |
| HX21FCC | 48 Vdc | Flying leads 122 cm (48 in) | SPST Normally Closed | More info |
