Selec 900VPR-U Operating Instructions

selec 900VPR-U
Operating Instructions

FEATURES

Over voltage, Under voltage, Over frequency,
q
Under frequency, Phase Asymmetry, Phase
failure, Neutral Loss, Phase sequence
monitoring system etc.
True RMS measurement
!
Trip Time delay, Recovery Time delay,
!
Power ON delay
Adjustable switching Hysteresis
!
Two separate alarm relays operation
!

SPECIFICATIONS

DISPLAY
3 Digits, LCD with Backlight

ELECTRICAL CONNECTION

3Ø-3 wire, 3Ø-4 wire
AUXILIARY SUPPLY
85 – 270V AC/DC
50 60Hz /

OPERATING RANGE

50 – 288 V AC (L- ) N
85 – 00V AC (L- ) 5 L
FREQUENCY RANGE
45 – 65Hz
VA RATING
4VA max.

TRIP SETTINGS

Under Voltage : 50 to 288V AC (L-N)
[for 3Ø-4 wire]
85 to 00V AC ( - ) 5 L L
[for 3Ø- wire] 3
Over Voltage : 50 to 288V AC (L-N)
[for 3Ø- wire] 4
85 to 00V AC ( - ) 5 L L
[for 3Ø- wire] 3
Under Frequency : 45 – 65Hz
Over Frequency : 45 – 65Hz
Phase Asymmetry : 5 – 30%
TIME SETTINGS
Power ON Delay : 0.5 300sec. –
Trip Time Delay : 0 300sec. –
R ecovery Time : 0 300sec. –
Response Time
Under Voltage : < 120ms
Over Voltage : < 120ms
Phase Asymmetry : < 120ms
Phase loss : < 200ms
Phase sequence < 250ms :
HYSTERESIS
Voltage : 1 – 40V
Frequency : 0. – 2 Hz 1 .0
Asymmetry : 2 – 20.0%
RESOLUTION
Voltage : 1V
Frequency : 0.1Hz
ACCURACY
Voltage : ±1 % ± 2digits
Frequency :
±0.5% ± 1digit
Time : ± 5% of setting 12 ± 0ms
(Trip Time Delay, Power ON Delay,
Recovery Time Delay)

OUTPUT SPECIFICATIONS

2 Relays : Relay1 : 1C/O (SPDT)
Relay2 : 1C/O (SPDT)

RELAY RATING

NO (5A, 250V AC)
NC (3A, 250V AC)

LED INDICATION

LED1 : Continuously ON after trip
LED2 : Continuously ON after trip
ENVIRONMENTAL SPECIFICATIONS
- Indoor use
- Altitude of up to 2000 meters
- Pollution degree
II
O O
Temperature : Operating : - 25 C to +55 C
O O
Storage : - 25 C to +70 C
Humidity : Up to 95% RH, non-condensing
MECHANICAL SPECIFICATIONS
No. of Push Buttons : 3
Size : 35mm width
Mounting : 35mm Din Rail Mount
Wire Size (max) : 4 sq.mm
Screw tightening torque : 0.5 N-M
WEIGHT
150 gms.

SAFETY PRECAUTIONS

All safety related codifications, symbols and
instructions that appear in this operating manual or
on the equipment must be strictly followed to ensure
the safety of the operating personnel as well as the
instrument.
If the equipment is not used in a manner
specified by the manufacturer it might impair the
protection provided by the equipment.
If there is physical damage to the unit then do not
use it.
Read complete instructions prior to installation
and operation of the unit.

WIRING GUIDELINES

WARNING
1. To prevent the risk of electric shock power supply
to the equipment must be kept OFF while doing the
wiring arrangement.
2. Wiring shall be done strictly according to the
terminal layout with shortest connections. Confirm
that all connections are correct.
CAUTION
1. To ensure the safe operation of unit, check the
wiring and connections.
DIMENSIONS ( All dimensions in mm )
35 44
70.50

LED INDICATION CHART

Various Conditions 'R1' LED 'R2' LED
No fault OFF
R1 Trip ON
R2 Trip OFF
Both the Relay Trip
ON
(If Programed for Both Relay)

TERMINAL CONNECTIONS

RELAY 1
15
18
NO1
COM1
RELAY 2
28 25 26
NO2 COM2
NC2
L2 L3
L1 A2
OFF
OFF
ON
ON
Doc. name : OP INST 900VPR-U
16
NC1
N
A1
OP441-V01(Page 1 of 4)