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| Part Number | 201A-AU |
| Datasheet | 201A-AU datasheet |
| Description | 3-PHASE PLUG-IN VOLT MON/ 190- |
| Manufacturer | Littelfuse Inc. |
| Series | 201A-AU |
| Part Status | Active |
| Type | Voltage Asymmetry, Voltage Sensing AC |
| Trip Status | Energized High/Low |
| Trip Range | 190 ~ 480V AC |
| Delay Time | Fixed, 1 Sec; 1 Sec ~ 30 Sec |
| Voltage - Supply | 190 ~ 480VAC |
| Output Type | Relay |
| Circuit | SPDT (1 Form C) |
| Contact Rating @ Voltage | 10A @ 240VAC |
| Mounting Type | Socketable |