520CS / 520CP Series - 3-Phase Current Monitor

Baureihe: 520CS / 520CP
Auslaufdatum: 01.06.2017
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Littelfuse Current Monitoring Relays Transducers
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OBSOLETE 06/2017  - The 520CS and 520CP are fully-programmable, microcontroller-based, current-sensing devices designed to monitor 3-phase pumps. The 520CP is designed to work with motors that have ramp-up times of 4 seconds or less. The 520CS has a programmable motor acceleration time that can be set from 0-50 seconds.

Both current monitors protect 3-phase motors from:

  • Überstrom
  • Undercurrent
  • Current Unbalance
  • Rapid Cycling
  • Single Phasing
  • Phase Reversal

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Catalog #Input
Voltage (V)		Output
Form		Mounting MethodDimensionsWeight (lbs/g)Overcurrent Trip PointCurrent Unbalance Trip Point (%)Input Current Range (A)Maximum Input PowerMotor Acceleration Time Operating Point (s)Output Load Rating (VA)Rapid Cycle Timer (s)Restart Delay RangeTiming Accuracy (%)Trip Delay RangeCompare
Katalog-Nr.Eingang
Spannung (V)		Ausgang
Wechsler		MontagemethodeAbmessungenGewicht (Pfd./g)Overcurrent Trip PointCurrent Unbalance Trip Point (%)Eingangsstrombereich (A)Maximum Input PowerMotor Acceleration Time Operating Point (s)Output Load Rating (VA)Rapid Cycle Timer (s)Restart Delay RangeTiming Accuracy (%)Trip Delay RangeVergleichen
520CP115 100 to 130VACSPDTFour #10 or #12 screws (3/4 in - 1 in in length)8.25 in H x 5.25 in W x 3.25 in D (209.6 x 133.4 x 82.6 mm)2.2 lbs. (35.2 oz. 997.9 g)Undercurrent trip point to 5A5 Amps (maximum)5 W4er-JahrePilot Duty: 480VA @ 240VAC; General Purpose: 10A0 - 500s; Programmable number of restarts; 0 1 2 3 4 or 999 for unlimitedOn power up: 0 - 500s; after all faults: 2 - 500m25%2 - 50s for all faults except phasing faults
520CP115RX30 100 to 130VACSPDTFour #10 or #12 screws (3/4 in - 1 in in length)8.25 in H x 5.25 in W x 3.25 in D (209.6 x 133.4 x 82.6 mm)2.2 lbs. (35.2 oz. 997.9 g)Undercurrent trip point to 5A5 Amps (maximum)5 W4er-JahrePilot Duty: 480VA @ 240VAC; General Purpose: 10A0 - 500s; Programmable number of restarts; 0 1 2 3 4 or 999 for unlimitedOn power up: 0 - 500s; after all faults: 2 - 500m25%2 - 50s for all faults except phasing faults
520CP115RX56 100 to 130VACSPDTFour #10 or #12 screws (3/4 in - 1 in in length)8.25 in H x 5.25 in W x 3.25 in D (209.6 x 133.4 x 82.6 mm)2.2 lbs. (35.2 oz. 997.9 g)Undercurrent trip point to 5A5 Amps (maximum)5 W4er-JahrePilot Duty: 480VA @ 240VAC; General Purpose: 10A0 - 500s; Programmable number of restarts; 0 1 2 3 4 or 999 for unlimitedOn power up: 0 - 500s; after all faults: 2 - 500m25%2 - 50s for all faults except phasing faults
520CP230 200 to 250VACSPDTFour #10 or #12 screws (3/4 in - 1 in in length)8.25 in H x 5.25 in W x 3.25 in D (209.6 x 133.4 x 82.6 mm)2.2 lbs. (35.2 oz. 997.9 g)Undercurrent trip point to 5A2 - 50%5 Amps (maximum)5 W4er-JahrePilot Duty: 480VA @ 240VAC; General Purpose: 10A0 - 500s; Programmable number of restarts; 0 1 2 3 4 or 999 for unlimitedOn power up: 0 - 500s; after all faults: 2 - 500m25%2 - 50s for all faults except phasing faults
520CP460 400 to 500VACSPDTFour #10 or #12 screws (3/4 in - 1 in in length)8.25 in H x 5.25 in W x 3.25 in D (209.6 x 133.4 x 82.6 mm)2.2 lbs. (35.2 oz. 997.9 g)Undercurrent trip point to 5A2 - 50%5 Amps (maximum)5 W4er-JahrePilot Duty: 470VA @ 600VAC; General Purpose: 10A0 - 500s; Programmable number of restarts; 0 1 2 3 4 or 999 for unlimitedOn power up: 0 - 500s; after all faults: 2 - 500m25%2 - 50s for all faults except phasing faults
520CS115 100 to 130VACSPDTFour #10 or #12 screws (3/4 in - 1 in in length)8.25 in H x 5.25 in W x 3.25 in D (209.6 x 133.4 x 82.6 mm)2.2 lbs. (35.2 oz. 997.9 g)Undercurrent trip point to 5A2 - 50%5 Amps (maximum)5 W0 - 50sPilot Duty: 480VA @ 240VAC; General Purpose: 10A0 - 500s; Programmable number of restarts; 0 1 2 3 4 or 999 for unlimitedOn power up: 0 - 500s; after all faults: 2 - 500m25%2 - 50s for all faults except phasing faults
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