PV
= Process Value
SV
= Set Value
CPR 126
CURRENT PROTECTION RELAY
TECHNICAL SPECIFICATION
MECHANICAL INSTALLATION
TERMINAL CONNECTION
FEATURES:
INPUT SPECIFICATION:
DISPLAY AND KEY:
OUTPUT SPECIFICATION:
AUXILIARY SUPPLY:
GENERAL SPECIFICATION:
Primary CT value
True RMS Measurement
Protection available
Over Load
Auto/Manual /ZVR (Zero Value Reset) reset option
Under Load
3 digit bright LED display
Current Asymmetry
Three phase current display with LED indication
Single phase prevention (i.e it can trip relay in case of
any phase current is become zero)
Auto save out feature
Time parameter : Power on delay
Trip delay
Initial time delay
Recovery time (Auto reset)
Secondary current AC
Resolution
5 to 999 Selectable
0.5 to 5 Amp AC
0.01A, 0.1A, 1A
Display
Relay
Supply voltage
Dimension (mm)
Keys
Relay Type
Power consumption
(VA RATING)
Rating
Trip Setting
Time parameter
3 digit, 1line, 7 seg, 0.4” RED LED
1 nos.
75 (H) x 45 (W) x 110 (D) mm
SET, INC, DEC/ RST
1 C/O (NO-C-NC)
3 VA @ 230V AC MAX
10A, 230V AC/28 V DC
Under current : 0.00 to 100% of
primary C.T value
Trip delay time : 0 to 999 sec
Power on time : 0 to 99 sec
Initial time delay : 0 to 99 sec
Over current : 0.00 - 125% of
primary C.T value
ENVIRONMENT CONDITION:
Relative Humidity
Operating Temp.
0°C to 55°C
UP to 95% RH
(non-condensing)
100 to 270V AC, 50-60Hz
Recovery time : 0 to 99 sec
110
Front View(mm)
A
SET
NO
L
N
C NC
CPR 126
A1
R
A2 A3
4 0 0
75
Side View(mm)
75
45
NO
L
N
C NC
CPR 126
A1
R
A2 A3
A
SET
L1
L2
L3
N
TO
LOAD
Class 1.0 (Standard)
ACCURACY
