GE F650 Instruction Manual page 37

2.4 TECHNICAL SPECIFICATIONS
2.4.1.4 SENSITIVE GROUND TIME OVERCURRENT (51SG)
Current Input
Rated current
Pickup level
Dropout level
2
Level Accuracy
Curve Shapes
Curve Multiplier (Time Dial)
Reset type
Timing accuracy
Saturation Level
Snapshot Events
2.4.1.5 PHASE AND GROUND INSTANTANEOUS OVERCURRENT (50PH/50PL/50G)
Current Input
Rated current
Pickup level
Dropout level
Level Accuracy
Overreach
Trip delay
Reset delay
Operate time
Timing accuracy
Snapshot Events
2-8
Phasor (without harmonics) or RMS
For connection to 1 or 5 A CTs.
0.005 to 16.000 A in steps of 0.001 A
97% to 98% of the pickup level
Values at nominal frequency:
±1.5% of the reading ± 1 mA from 0.005 to 16 A
IEEE extremely / very / moderately inverse
IEC A/B/C/long-time inverse/short time inverse curve
IAC extremely / very / moderately inverse
ANSI extremely / very / normally / moderately inverse
2
I t
Definite time
Rectifier curve
FlexCurve™ A/B/C/D user curve
0.00 to 900.00 s in steps of 0.01 s
Instantaneous or time delayed according to IEEE
Operate at > 1.03 times the pickup ±3% of operate time
or 50 ms. (whichever is greater)
48 times the pickup level
Selectable by setting
Phasor (without harmonics) or RMS
For connection to 1 or 5 A CTs.
0.05 to 160.00 A in steps of 0.01 A
97% to 98% of the pickup level
Values at nominal frequency:
±0.5% of the reading ± 10 mA from 0.05 to 10 A
±1.5% of the reading for higher values
< 2%
0.00 to 900.00 s. in steps of 0.01 s.
0.00 to 900.00 s. in steps of 0.01 s.
<50 ms at 3 x Pickup at 50 Hz, typically
at 0 ms time delay (no intentional delay): 50ms
at non-zero time delay: ±3% of operate time or 50 ms
(whichever is greater)
Selectable by setting
F650 Digital Bay Controller
2 PRODUCT DESCRIPTION
GEK-106310AB