Product Description
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| Product Information | Resources |
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| Specifications |
| Product Attribute | Attribute Value |
| Function | 3-Phase Voltage Unbalance |
| Nominal AC Voltages | 208 VAC |
| Voltage Range | ± 15% |
| Frequency | 60Hz |
| Power Consumption (per phase) | 1W |
| Transient Protection | 2500VRMS for 10ms |
| Repeat Accuracy | ± 0.1% (fixed conditions) |
| Unbalance Adjustment | 2% to 10% |
| Response Time | 100ms |
| Reset Time | Fixed 1 sec |
| Dropout Time | Adjustable 0.2 to 20 seconds |
| Reset Type | Automatic |
| Dead Band | 0.5% max |
| Contact Rating | DPDT 10A@240VAC |
| Expected Relay Life | Mech: 10 million operations Elec: 100,000 operations@rated load |
| Operating Temp | - 20° to +131° F |
| Humidity Tolerance | 0-97% w/o condensation |
| Mounting | Surface |
| Enclosure Material | ABS plastic |
| Weight | 10 oz. |
| Series Features |
| MODEL 200 3-Phase Voltage Unbalance Monitor |
| Series Description: The Model 200 3-Phase Voltage Unbalance Monitor is designed to continuously monitor a three-phase line for unbalanced voltage conditions. This device will only energize the relay if an unbalance exists. Zero volts on all three phases is considered a balanced condition. This allows the Model 200 to be used with shunt breakers, so that the breaker can shut off the main power without tripping the monitor. The solid-state sensing circuit drives an internal electromechanical relay. Indicator lights on the monitor show when the voltage balance is within an acceptable range; when an unbalance exists; and when the relay is actually tripped. When an acceptable voltage balance is reapplied, the Model 200 will automatically reset the relay. |
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