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3 Ph. Line/Load Side Volt.Monitor w/HV Relay
VIN#: 1021402283
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| Condition: | New |
| Manufacturer: | SymCom |
| Model: | 455R480 |
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| Model 455 combines load and line side monitoring to alert the user of contact failure or impending contact failure. The line side monitoring will protect the motor from damaging line side conditions prior to the motor starting. With other line-load side voltage monitors, the motor must be started before a voltage problem is detected. With the Model 455, your motor is fully protected at all times. The motor will not start when a power problem is present.
The Model 455 automatically senses whether it is connected to a 200V, 300V system or a 400V system. An adjustment is provided to set the nominal line voltage from 190-240 or 380-480 VAC. Other adjustments include a 2-30 second trip delay, a 2-300 second restart delay (and manual restart), and a voltage unbalance trip point adjustment from 2-8%.
Four LEDs indicate the status of the Model 455. Run light, Under Voltage, Over Voltage, and Phasing Fault. The Model 455 is the only load and line side monitor on the market that does not require a separate power source for its electronics. Therefore, the Model 455 is easier and quicker to install. |
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