GE 869

1–20 869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
SPECIFICATIONS CHAPTER 1: INTRODUCTION
Control
ARC FLASH SENSOR/FIBER
Number of Point Sensors:...............................4
Detection Radius: ...............................................180 degree
Maximum Fiber Length (Point Sensor):.....18 ft
Fiber Size: ...............................................................1000 um
Mode:........................................................................ Multi-mode
Connector: .............................................................Small Media Interface (SMI)
Fiber Type: .............................................................Plastic Optical Fiber
Bend Radius:.........................................................>25 mm
BREAKER CONTROL
Operation: ..............................................................Asserted FlexLogic Operands
Function:.................................................................Opens/closes, blocks, bypasses blocks to the feeder breaker
BREAKER FAILURE
Mode:........................................................................ 3-pole
Current Supervision:..........................................phase and neutral current (fundamental phasor magnitude)
Current Supervision Pickup:...........................0.050 to 30.000 x CT in steps of 0.001 x CT
Current Supervision Dropout: .......................97 to 98% of pickup
Current Supervision Accuracy: ....................For 0.1 to 2.0 x CT: ± 0.5% of reading or ± 0.4% of rated
(whichever is greater),
For > 2.0 x CT: ± 1.5% of reading
Time Delay: ...........................................................0.000 to 6000.000 s in steps of 0.001 s
Timer Accuracy:..................................................± 3% of delay setting or ± ¼ cycle (whichever is greater)
from pickup to operate
Reset Time:............................................................< 10 ms typical at 2 x Pickup at 60 Hz
< 12 ms typical at 2 x Pickup at 50 Hz
LOCAL CONTROL MODE
Number of Elements: ........................................1
Select Before Operate Mode: ........................Disabled, Enabled
Mode:........................................................................ Local Mode ON, Local Mode OFF
Display Status: .....................................................LM (local mode) displayed in banner
Tagging: ..................................................................Disabled, Enabled
MAXIMUM STARTING RATE
Monitored Time Interval:.................................1 to 300 minutes in steps of 1
Maximum Number of Starts:.........................1 to 16 starts in steps of 1
Timer Accuracy:..................................................±2s or ±1% of total time (whichever is greater)
RESTART DELAY
Restart Delay:.......................................................0 to 65000 seconds in steps of 1
Timer Accuracy:..................................................±2s or ±1% of total time (whichever is greater)
REDUCED VOLTAGE START
Mode:........................................................................ Current Only, Current and Timer, Current or Timer
Start Current Level: ............................................ 0.25 to 3.00 of FLA, in steps of 0.01
Start Timer:............................................................1.0 to 600.0 s in steps of 0.1
SWITCH CONTROL
Operation: ..............................................................Local (PB control and SLD) and Remote (asserted FlexLogic
operands)
Function:.................................................................Opens/Closes the disconnect switch
Timers:.....................................................................0.000 to 6000.000 s in steps of 0.001 s
TIME BETWEEN STARTS
Time Between Starts:........................................0 to 300 minutes in steps of 1
Timer Accuracy:..................................................±2s or ±1% of total time (whichever is greater)