| Type | HF166F | |
| Coil voltage form | DC | |
| Coil voltage | 48, 12, 24, 6, 5 | |
| Contact arrangement | 1 Form A and B | |
| Contact version | Double contact | |
| Terminal type | PCB | |
| Construction | Flux proofed | |
| Terminals | PCB | |
| Coil power | Standard | |
| Sort | 2 coil latching, 1 coil latching | |
| Contact capacity | AgSnO2 | |
| Insulation standard | Class F | |
| Packing method | plastics packing | |
| Rated voltage(V) | 277VAC | |
| Coil angel form | PCB | |
| Coil power | 1 coil:1.2W;2 coil:2.4W | |
| Dielectric strength (between coil & contacts) (VAC 1min) | 5000 | |
| Operate time(ms) | ≤25 | |
| Release time(ms) | ≤25 | |
| Coil resistance(Ω) | 1 coil:5:20.8;6:30;12:120;24:480;48:1920;2 coil:5:10.4;6:15;12:60;24:240;48:960 |