Motor Saver 201-575-AU Fiche technique Page 39

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www.symcom.com • 800-843-8848 • fax: 605-348-5685
37
Current Monitors
Current Monitors
Current Monitors have many advantages over voltage monitors because they provide protection against
both supply line and load side faults when the motor is running. They protect against single-phasing and
current unbalance problems that can be caused by voltage supply problems, bad contactors, loose wiring,
bad wires or damaged motors. They also provide very reliable overload and underload protection.
Current monitors are used to detect heater element failure, loss of load, peak power loads, runway and
radio tower light failure, feed rate, dull bits and blades, conveyor load jams, current demand level and to
keep tooling loads at their most efficient point.
Product Selection Matrix
520CS-115
520CP-115
520CP-230
520CP-460
Phase Loss
Phase Reversal
Undercurrent
Overcurrent
Current Unbalance
Rapid Cycling
Diagnostic Display
Trip Delay
RD1 Rapid-Cycle Timer, Power-Up Timer
RD2 Overcurrent Restart Delay Timer
RD3 Undercurrent/Dry-well Restart Delay Timer
#RF Number of Restarts After All Faults (except UC fault*
)
#RU Number of Restarts After an UC Fault
Motor Acceleration Time
Remote Manual Reset
MODEL
* Includes UC fault on 520CS units
CATALOG_SYMCOM_2014.indd 37 6/10/14 11:06 AM
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