| Omron | Voltage | 1 | - | SPDT | 1 → 10 V ac/dc, 15 → 150 V ac/dc, 3 → 30V ac/dc | Overvoltage, Undervoltage | - | - | - | - | - | 0.1 → 30s | - | - | - | - | K8AK | - | - | - | - |
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| Crouzet | Voltage | 3 | - | DPDT | 194 → 528V ac | Overvoltage, Undervoltage | DIN Rail | - | - | - | - | 0.3 → 30s | - | - | - | - | H3US | - | - | - | - |
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| Siemens | Voltage | 1 | - | SPDT | - | Overvoltage | - | - | - | - | - | - | - | - | - | - | 3GU | - | - | - | - |
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| Omron | Voltage | 1 | - | SPDT | 1 → 10 V ac/dc, 15 → 150 V ac/dc, 3 → 30V ac/dc | Overvoltage, Undervoltage | - | - | - | - | - | 0.1 → 30s | - | - | - | - | K8AK-VW | - | - | - | - |
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| GIC | Voltage | 3 | - | SPDT | 208 → 480V ac | Overvoltage, Undervoltage | DIN Rail | - | 5A | - | - | 0.5 → 100 s, 5s | 45 → 65Hz | - | - | - | SM 175 | - | - | - | - |
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| Omron | Voltage | 1 | - | SPDT | 200 V, 300 V, 600 V | Overvoltage, Undervoltage | DIN Rail | - | - | - | - | 250ms | - | - | - | - | K8DT-VW | - | - | - | - |
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| Omron | Voltage | 1 | - | SPDT | 20 → 200 V ac/dc, 30 → 300 V ac/dc, 60 → 600V ac/dc | Overvoltage, Undervoltage | - | - | - | - | - | 0.1 → 30s | - | - | - | - | K8AK-VW | - | - | - | - |
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| Dold | Voltage | 3 | - | DPDT | - | Undervoltage | DIN Rail | - | - | - | - | 0.5 → 10s | 50 → 400Hz | - | - | - | BA 9043 | - | - | - | - |
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| Omron | Voltage | 1 | - | SPDT | 20 → 200 V ac/dc, 30 → 300 V ac/dc, 60 → 600V ac/dc | Overvoltage, Undervoltage | - | - | - | - | - | 0.1 → 30s | - | - | - | - | K8AK-VW | - | - | - | - |
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| Omron | Voltage | 1 | - | SPDT | 200 V, 300 V, 600 V | Overvoltage, Undervoltage | DIN Rail | - | - | - | - | 250ms | - | - | - | - | K8DT-VS | - | - | - | - |
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| Omron | Voltage | 1 | - | SPDT | 200 V, 300 V, 600 V | Overvoltage, Undervoltage | DIN Rail | - | - | - | - | 250ms | - | - | - | - | K8DT-VS | - | - | - | - |
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| Omron | Voltage | 1 | - | SPDT | 20 → 200 V ac/dc, 30 → 300 V ac/dc, 60 → 600V ac/dc | Overvoltage, Undervoltage | - | - | - | - | - | 0.1 → 30s | - | - | - | - | K8AK-VS | - | - | - | - |
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| Carlo Gavazzi | Voltage | 3 | - | SPDT | - | Overvoltage, Undervoltage | DIN Rail | - | - | - | Phase Loss, Phase Sequence | - | 50 → 400Hz | - | - | - | DPB01 | - | - | - | - |
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| Omron | Voltage | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | K8DT-PZ | - | - | - | - |
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| Finder | Voltage | 3 | - | - | - | Overvoltage Protection, Undervoltage Protection | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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| Tele | Voltage | 1 | - | SPDT | Maximum of 24V ac/dc | Undervoltage | DIN Rail | - | - | - | - | 500ms | - | - | - | - | ENYA | - | - | - | - |
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| Omron | Voltage | 1 | - | - | 20 → 200 V ac/dc, 30 → 300 V ac/dc, 60 → 600V ac/dc | Overvoltage, Undervoltage | DIN Rail | - | - | - | - | 250ms | - | - | - | - | K8DT-VS | - | - | - | - |
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| Siemens | Voltage | 1 | - | SPDT | 17 → 275V ac/dc | Overvoltage, Undervoltage | DIN Rail | - | - | - | - | 0.1 → 20s | - | - | - | - | 3UG4 | - | - | - | - |
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| Carlo Gavazzi | Voltage | 3 | - | SPDT | - | Overvoltage, Undervoltage | DIN Rail | - | - | - | Phase Loss, Phase Sequence | - | 50 → 400Hz | - | - | - | DPB02 | - | - | - | - |
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| Schneider Electric | Voltage | 1 | - | DPDT | 80 → 300V ac/dc | Overvoltage, Undervoltage | DIN Rail | - | - | - | - | 0.1 → 30s | - | - | - | - | Harmony Control | - | Yes | Green Premium | - |
