Model: SKAC / SKDC
SKAC is a contact protection circuit box for AC circuits, and SKDC is for DC circuits. There is no polarity on the input or output side, and either side can be connected to the switch.
| SKAC application | For AC circuit |
| SKDC application | For DC circuit |
| SKAC load voltage 1 | 100/110 VAC |
| SKAC load voltage 2 | 200/220 VAC |
| SKDC load voltage | 24 VDC |
| SKAC load current at 100/110 VAC | 20 mA or less |
| SKAC load current at 200/220 VAC | 10 mA or less |
| SKDC load current | 50 mA or less |
| Lead wire length | 1 m (Oil-resistant vinyl cabtyre cord 2-core, 0.2 mm²) |
| Shock resistance | 980 m/s² |
| Insulation resistance | 100MΩ or more with 500 VDC megger |
| Dielectric strength | No abnormality when AC1500 V is applied for 1 minute |
| Ambient temperature | -10 to +60°C |
| Protection structure | IEC standard IP67, JIS C0920 (Immersible type), Oil resistant |