Inputs - GE b30 Instruction Manual

CHAPTER 2: PRODUCT DESCRIPTION

2.5.5 Inputs

AC CURRENT
CT rated primary:
CT rated secondary:
Relay burden:
Conversion range:
Standard CT:
Sensitive Ground CT module:
Current withstand:
Short circuit rating:
AC VOLTAGE
VT rated secondary:
VT ratio:
Relay burden:
Conversion range:
Voltage withstand:
FREQUENCY
Nominal frequency setting:
Sampling frequency:
Tracking frequency range:
CONTACT INPUTS
Dry contacts:
Wet contacts:
Selectable thresholds:
Tolerance:
Contacts per common return:
Recognition time:
Debounce time:
Continuous current draw:
CONTACT INPUTS WITH AUTO-BURNISHING
Dry contacts:
Wet contacts:
Selectable thresholds:
Tolerance:
Contacts per common return:
Recognition time:
Debounce time:
Continuous current draw:
Auto-burnish impulse current:
Duration of auto-burnish impulse:
DCMA INPUTS
Current input (mA DC):
Input impedance:
Conversion range:
Accuracy:
Type:
B30 BUS DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
1 to 50000 A
1 A or 5 A by connection
< 0.2 VA at rated secondary
0.02 to 46 × CT rating RMS symmetrical
0.002 to 4.6 × CT rating RMS symmetrical
20 ms at 250 times rated
1 sec at 100 times rated
continuous 4xInom
URs equipped with 24 CT inputs have a maximum operating temperature of 50°C
150000 RMS symmetrical amperes, 250 V maximum (primary current to external CT)
50.0 to 240.0 V
1.00 to 24000.00
< 0.25 VA at 120 V
1 to 275 V
continuous at 260 V to neutral
1 min/hr at 420 V to neutral
25 to 60 Hz
64 samples per power cycle
20 to 70 Hz
1000 Ω maximum
300 V DC maximum
17 V, 33 V, 84 V, 166 V
±10%
4
< 1 ms
0.0 to 16.0 ms in steps of 0.5
4 mA (when energized)
1000 Ω maximum
300 V DC maximum
17 V, 33 V, 84 V, 166 V
±10%
2
< 1 ms
0.0 to 16.0 ms in steps of 0.5
4 mA (when energized)
50 to 70 mA
25 to 50 ms
0 to –1, 0 to +1, –1 to +1, 0 to 5, 0 to 10, 0 to 20, 4 to 20 (programmable)
379 Ω ±10%
–1 to + 20 mA DC
±0.2% of full scale
Passive
SPECIFICATIONS
2
2-25