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| Part Number | 640PSR-CE | 640PSR-V-CE |
| Manufacturer | Selec Controls USA Inc. | Selec Controls USA Inc. |
| Series | 640PSR | 640PSR |
| Packaging | Box | Box |
| Product Status | Active | Active |
| Function | Phase Asymmetry, Phase Loss, Phase Sequence | Overvoltage, Phase Asymmetry, Phase Loss, Phase Sequence, Undervoltage |
| Voltage - Supply | 154 ~ 520VAC | 154 ~ 520VAC |
| Trip Range | - | - |
| Delay Time | 0.25s | 2 ~ 10s |
| Mounting Type | DIN Rail | DIN Rail |
| Termination Style | Screw Terminal | Screw Terminal |
| Features | Automatic Reset | - |
| Operating Temperature | 0°C ~ 50°C | 0°C ~ 50°C |
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