OP440-V01
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Under current, Over current protection
Current asymmetry monitoring
(for 3
)
True RMS value measurement
User selectable Power ON delay, Trip time
delay and Recovery time
Adjustable hysteresis
One alarm relay with NC or NO operation
selectable
Ø System only
FEATURES
900CPR-1 / 900CPR-3
Operating Instructions
selec
TIME SETTINGS
MAXIMUM CURRENT INPUT
HYSTERESIS
RESOLUTION
ACCURACY
Power ON Delay : 0.5 - 99.9sec
Response Delay (Trip time delay) : 0 - 99.9sec
Recovery Time : 0 - 99.9sec
Response Time : < 200ms
120% of CT Primary setting
(Depends on
setting)
0.1 - 99.9A
0.01, 0.1, 1A, 0.01kA
CT
Current : 1% of Setting, 2 digits
Time (Recovery Time, Trip Time Delay,
Power ON Delay) : 5% of setting 200ms
NO (5A, 250V AC)
NC (3A, 250V AC)
- Indoor use
- Altitude of up to 2000 meters
- Pollution degree
Temperature : Operating :
0 C to 50 C
Storage
: -20 C to 70 C
Humidity
: Up to 95% RH, non-condensing
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
±
±
±
OUTPUT SPECIFICATIONS
ENVIRONMENTAL SPECIFICATIONS
MECHANICAL SPECIFICATIONS
II
O
O
O
O
±
Relay : 1C/O (SPDT)
LED(Red) : Trip
RELAY RATING
LED INDICATION
WEIGHT
CPR-1
: 130 gms.
CPR-3
: 150 gms.
DISPLAY
ELECTRICAL CONNECTION
AUXILIARY SUPPLY
3 Digits, LCD with backlight
900CPR-1 :
900CPR-3 :
1Ø-2 wire
1Ø-2 wire, 3Ø-3 wire, 3Ø-4 wire
Under Current
: 0 - 999A
(0-100% of CT Primary Setting)
Over Current
: 0.5A - 1.19kA
(10-120% of CT Primary Setting)
Current Asymmetry : 5.0 - 99.9%
15VA max
1A / 5A-999A
1A or 5A (Selectable)
POWER CONSUMPTION
CT PRIMARY SETTING
CT SECONDARY SETTING
TRIP SETTINGS
110V / 230V AC (factory set)
50 / 60Hz
SPECIFICATIONS
TERMINAL CONNECTIONS
DIMENSIONS ( All dimensions in mm )
35
90
70.50
45
67.50
90
44
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.
1. To ensure the safe operation of unit, check the
wiring and connections.
2. It is recommended to test the unit periodically to
satisfy the regulations.
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.
SAFETY PRECAUTIONS
WIRING GUIDELINES
WARNING
CAUTION
Doc. name : OP INST 900CPR
OP440-V01(Page 1 of 3)
900CPR-3
900CPR-1
18
S1
15
S2
16
NC
COM
NO
RELAY
N
L
3S1
2S2
1S1
3S2
2S1
1S2
N
L
18
15
16
NC
COM
NO
RELAY
RoHS
