| BRAND | Qualitrol |
| Product | 9073-0003 |
| Internal code | IMP3343448 |
| Weight | 1 |
| Technical specification | Digital I/O Board(Halthaway IDM) Each DAU is fitted with 32 digital inputs The digital input sensitivity can be 24V,48V/125V or 220Vdc with tolerance of +20%,-20% for 500kV substation |
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