Ideal product for monitoring three-phase voltage imbalance in industrial facilities and equipment
◼︎ One unit can monitor voltage imbalance, phase sequence, and under phase of three-phase 3-wire or 4-wire power supplies
◼︎ Switch settings for 3-phase or 3-wire or 4-wire power supplies
◼︎ 1 SPDT output relay, 6A at 250VAC (resistive load)
◼︎ 1 unit supports power specifications from around the world (switchable)
◼︎ Convenient monitoring of relay alarm status using LED indicators
| Rated voltage | 200 ... 500VAC |
| Rated frequency | 50/60Hz±1Hz |
| Contact type | 2NO / 1NC |
Contact material | AgSnO |
| Contact rating | 5A 280VAC / 8A 30VDC |
| Contact life | 2×10⁷ |
| Temperature | -20 ... +60℃ |
| Phase imbalance | ≤10% |
| Insulation voltage | 2.5KV / 1mn / 1mA / 50Hz |
| Protection level | IP40 |
| Voltage action setting time | 0.1 ... 20s |
| Phase loss and error time | 0.1 ... 20s |
| Overcurrent setting value | - |
| Indicator | Display |
| Voltage display range | 150 ... 500V AC |
| Maximum Counting | 999999 |
| Maximum timing capacity | 9999 hours and 59 minutes |
| Timing input signal | Active24V、110V、220V or 380V |
| Data retention time | 18 years |
| Size | 80 × 43 × 54 mm |
* Equipment front-end protection

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