| No. of Contacts | 4 | 6 | 7 | 9 | 9PX | 12 | 16 | 17 | 19 |
| Part No. | M623F-4H | M623F-6H | M623F-7H | M623F-9H | P623F-9H | M623F-12H | M623F-16H | M623F-17H | M623F-19H |

|
Parts |
Material |
| Shell | Zinc Alloy |
| Finish | Nickel plating |
| Insulator | Bakelite |
| Contact | Copper Alloy |


| No.Of contacts | 4 | 6 | 7 | 9 | 9PX | 12 | 16 | 17 | 19 |
| Rated current/Voltage | 20A 300V | 20A 300V | 20A 300V | 20A 300V | 20A 300V | 8A 260V | 8A 260V | 8A 260V | 20A 300V |
| Operation limt voltage(AC.Vrms) | 250 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 |
| Withstanding voltage(AC.V.rms)1 min. | 2500 | 2500 | 2500 | 2500 | 2500 | 2500 | 2500 | 2500 | 2500 |
| Insulation resistance (MΩ min.)at dc 500V | 1010 | 1010 | 1010 | 1010 | 1010 | 1010 | 1010 | 1010 | 1010 |
| Contact resistance(MΩ max.)at dc 1A | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Contact resistance Φ(mm) | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 1.3 | 1.3 | 1.3 | 1.3 |
| Solder inter diameterΦ(mm) | 2 | 2 | 2 | 2×1 | 2×1 | 1 | 1 | 1 | 1.5×3 |