CPR 126-1C
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
Three phase current display with LED indication
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 126-1C
R
4 0 0
75
Side View(mm)
75
45
NO
L
N
C NC
CPR 126-1C
R
A
SET
L1
L2
L3
N
TO
LOAD
Class 1.0 (Standard)
ACCURACY
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