| Type | HF7520 | |
| Coil voltage form | DC | |
| Coil voltage | 6, 18, 24, 48, 5, 9, 12 | |
| Contact arrangement | 1 Form C, 1 Form A | |
| Contact version | single contact | |
| Terminal type | QC, PCB | |
| Mounting | QC, Nil | |
| Construction | Flux proofed, Plastic sealed | |
| Coil power | Standard | |
| Sort | Single side stable | |
| Contact capacity | AgSnO2, AgCdO | |
| Insulation standard | Class F, Class F | |
| Contact plating | Without plating | |
| Packing method | Carton packing or Plast packing | |
| Rated voltage(V) | 250Va.c. | |
| Dielectric strength (between coil & contacts) (VAC 1min) | 2500VAC 1min | |
| Operate time(ms) | ≤15 | |
| Release time(ms) | ≤5 | |
| Creepage Distance(mm) | 3.2 | |
| Electrical Distance(mm) | 1.6 | |
| Insulation resistance(MΩ) | 1000 | |
| Max. switching Current(AC) | 16 | |
| Max. switching voltage(DC) | 10 | |
| Max. switching voltage(VAC) | 250VAC | |
| Max. switching voltage(VDC) | 30VDC |