Voltage monitoring relay 900VPR-2

		Description Function Technical data Schematic Dimensions Order overview Downloads
Voltage monitoring relay 900VPR-2

Description

Digital voltage monitoring relay with LCD display form selec. Controls one or three pase voltage with or without neutral.
Monitors overvoltage, undervoltage, overfrequency, underfrequency, phase asymmetry, phase failure and phase sequence. 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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Technical data

Display
Liquid Crystal Display	3 digits
Input
Measurements	Under voltage, over voltage, under frequency, over frequency, phase asymmetry, phase failure and phase sequence
Time Setting	Power ON delay, trip time delay and recovery time delay
Alarm indications	Trip
Latching	Selectable
Reset	Auto / manual
Electrical connection	3 or 4 wire
Supply voltage	Self powered
Operating Range (L-N)	160 - 300VAC
Operating Range (L-L)	280 - 520VAC
Power consumption	30VA max
Frequency	45 - 65Hz
Measuring range RMS (L-N)	0 - 300VAC
Measuring range RMS (L-L)	0 - 520VAC
Trip setting under voltage 3 wire	280 -520VAC (L-L)
Trip setting under voltage 4 wire	160 -300VAC (L-N)
Trip setting over voltage 3 wire	280 -520VAC (L-L)
Trip setting over voltage 4 wire	160 -300VAC (L-N)
Under frequency	45 - 65Hz
Over frequency	45 - 65Hz
Phase failure	Yes
Phase sequence	Yes
Trip setting asymmetry	5 - 99.9%
Power ON delay	2-99.9s
Trip time delay	0 - 99.9s
Recovery time delay	0 - 99.9s
Response time	<200ms
Hysteresis voltage	1 - 99.9V
Hysteresis frequency	0.2 - 2Hz
Hysteresis asymmetry	2 - 20%
Resolution voltage	1V
Resolution frequency	0.1Hz
Accuracy voltage setting	±1%
Accuracy frequency setting	±0.3Hz
Accuracy time setting	±5% of setting + 200ms
Output
Contact	2 SPDT (2 C/O)
Relay rating NO	5A @ 250V AC
Relay rating NC	3A @ 250V AC
Environmental Specifications
Operating temperature:	0 - 55 C
Storage temperature	-20 - 70 C
Humidity	95% rF (non-condensing)
Pollution degree	2
Mechanical specifications
Dimensions wxhxd	35 x 90 x 70.5mm
Mounting	35mm DIN rail
Weight	135g
Protection degree terminals	IP20
Protection degree housing	IP30
Protection degree faceplate	IP50

Standards EMC
Electromagnetic compatibility	IEC61326-1 (2005-12)
ESD Immunity	IEC61000-4-2, level 3
Surge immunity:	IEC61000-4-5 +/- 2kV common mode, +/- 1kV differential mode
Radiated Susceptibility	IEC 61000-4-3 level 3, 80 - 1000MHz
Leitungsgebundene Störfestigkeit	IEC61000-4-6, Level 2
Conducted susceptibility:	IEC61000-4-11, level 3
Conducted emissions	CISPR11 & IEC 61000-6-3
Radiated emissions	CISPR22
Electrical fast transients (EFT)	IEC61000-4-4, Level 3