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Current monitor 900CPR-3-1
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Products > Control modules > Monitoring relay > 900CPR-3-1 >
Stromüberwachungsrelais Selec
Description
Function
Technical data
Schematic
Dimensions
Order overview
Downloads
Three phase current monitoring relay 900CPR-3-1





Description

Digital three phase current monitoring relay from Selec with LCD display.
Monitors overcurrent, undercurrent and assymetry with RMS measurement.
Easy setting with three front push buttons with sealable cover. Slim space saving design, only 35mm wide. 35mm DIN Rail mount.





Function

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900CPR-3-1




Technical data

Display
LCD3 digit liquid crystal display with backlight
Input
MeasurementsUndercurrent, Overcurrent, Asymmetry
Time settingsPower ON delay, Trip time delay, Recovery time delay
Alarm indicationsTrip
LatchingSelectable
ResetAuto / Manual (selectable)
Electrical connection1,2,3 Phase
Supply voltage230VAC ±15%
Frequency45 - 65Hz
Power consumption15VA max.
CT Settings primary1A/5A - 999A (selectable)
CT Settings secondary1A / 5A (selectable)
Measuring range (RMS Value)0 - 1,19kA
Trip settings undercurrent0 - 999A
Trip settings overcurrent0,5A - 1,19kA
Trip settings asymmetry5 - 99.9%
Power ON delay0,5 - 99,9s
Trip time delay0 - 99.9s
Recovery time delay0 - 99.9s (in auto reset mode)
Response time<200ms
Hysteresis current0,1 - 99,9A
Resolution current0,01, 0,1, 1A, 0,01kA (depends on CT setting)
Accuracy current±1% of setting ±2 digits
Accuracy time setting±5% of setting ± 200ms
Output
Contact1 SPDT (1 C/O)
Relay rating NO5A @ 250V AC
Relay rating NC3A @ 250V AC
LED1 (red)Relay (continuously ON after trip)
Environmental specifications
Operating temperature:0 - 50 C
Storage temperature-20 - 70 C
Humidity95% rF (non-condensing)
Pollution gegree2
Mechanical specifications
Dimensions wxhxd35 x 90 x 70.5mm
Mounting35mm DIN rail
Weight130g
Protection degree terminalsIP20
Protection degree housingIP30
Protection degree faceplateIP50
EMC
Electromagnetic compatibilityIEC61326-1
ESD immunityIEC61000-4-2, Level 3
Surge immunity:IEC61000-4-5 +/- 2kV common mode, +/- 1kV differential mode
Radiated susceptibility:IEC 61000-4-3 Level 3, 80 - 1000MHz
Conducted SusceptibilityIEC61000-4-6, Level 2
Voltage dips and interruption:IEC61000-4-11, Level 3
Conducted emissionsCISPR11 & IEC 61000-6-3
Radiated emissionsCISPR22
Electrical fast transientIEC61000-4-4, Level 3





Schematic


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schema_900CPR-3-1









Dimensions


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Massbild 900CPR-1-1




Order overview

Part number Description Shop
900CPR-3-1 Three phase AC current montoring relay 900CPR-3-1






Downloads