HHN-RD Series power relay modules provide multi-contact relay switching for control panels and interface circuits. The series covers HHN-RD1 through HHN-RD8 variants, with contact structure and coil voltage selected to match the control system.
| Models | HHN-RD1, HHN-RD2, HHN-RD3, HHN-RD4, HHN-RD5, HHN-RD6, HHN-RD7, HHN-RD8 |
|---|---|
| Contact Structure | 2Z, 3Z, 4Z |
| Contact Resistance | ≤100mΩ initial value |
| Contact Material | Silver alloy |
| Rated Control Capacity | 6.5A, 10A or 12A by relay type; 5A at 240VAC/28VDC for selected types |
| Maximum Contact Voltage | 240VAC, 28VDC |
| Insulation Resistance | 1000MΩ at 500VDC initial value |
| Coil Temperature Rise | ≤85K at 70°C |
| Operation Time | ≤20ms at 20°C |
| Reset Time | ≤15ms for DC type; ≤25ms for AC type |
| Mechanical Life | ≥10^7 operations at 300 operations/minute |
| Electrical Life | ≥10^5 operations at rated control capacity |
| Rated Voltage | DC12V, DC24V, DC110V, DC220V, AC12V, AC24V, AC110V, AC220V |
| Rated Power Consumption | 0.9W for DC; 1.2VA for AC |
| Maximum Allowable Voltage | 110% of rated voltage |
