Voltage Monitor, 3-Phase

Item #: 0271735
Cat #: 455
UPC: 079458989618
$ 257.02 EA
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0 in stock
Voltage Monitor 3-Phase, 190-480V AC MotorSaver® Series Functional Protection: Contact Failure, Loss of any Phase, Over Voltage, Under Voltage, Voltage Unbalance, Phase Reversal and Rapid Cycling Includes: (1) SPDT, 480 VA @ 240V AC Output Relay, Adjustable Trip Delay (2 - 30 Seconds) and Restart Delay (Manual, 2 - 300 Seconds)

Overview

Voltage Monitor 3-Phase, 190-480V AC MotorSaver® Series Functional Protection: Contact Failure, Loss of any Phase, Over Voltage, Under Voltage, Voltage Unbalance, Phase Reversal and Rapid Cycling Includes: (1) SPDT, 480 VA @ 240V AC Output Relay, Adjustable Trip Delay (2 - 30 Seconds) and Restart Delay (Manual, 2 - 300 Seconds)
The 455 Series are 3-phase voltage monitors that combine load and line side monitoring to offer complete protection. Monitoring the load side will alert the user of contactor failure or impending contactor failure. Line side monitoring will also protect the motor from damaging fault conditions that may be present prior to the motor starting. With other line/load side monitors, the motor must be started before a voltage fault is detected. With the 455, your motor is fully protected at all times. The 455 Series are 3-phase, dual range voltage monitors that protect 190-480VAC, 50*/60Hz motors, regardless of their size. It automatically selects between the 200V and 400V range when the user selects the nominal voltage setpoint. Other adjustments include a 2-30 second trip delay, a 2-300 second restart delay (and manual restart) and a voltage unbalance trip point of 2-8%. The voltage monitor’s circuitry is powered through the line side connections, so there is no need for separate control power, making it easy to install. Equipped with an infrared LED, the 455 Sereies can communicate to the optional hand-held diagnostic tool, Informer-MS to obtain valuable information such as real-time voltage, voltage unbalance on both line and load sides, motor run hours, last 20 faults, last 32 motor starts, high and low voltage trip points, voltage unbalance trip point, restart and trip delay settings, LED status and more.
Also known as: 079458989618, 455, LFU455

Specifications

Type: Voltage Monitor
Phase: 3
Mounting: Panel
Type: Voltage Monitor
Mounting: Panel
Phase: 3

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