Specifications - GE Multilin MM200 Quick Start Manual

SPECIFICATIONS

1.5 Specifications
NOTE:
OTE
1.5.1 Protection specifications
20
Specifications are subject to change without notice.
ACCELERATION TIMER
Pickup:...................................................................... I
Dropout: .................................................................. I
Time delay: ............................................................ 0.5 to 250.0 seconds in steps of 0.1
Timing accuracy: ................................................ ±500 ms or 1.5% of total time
Elements:................................................................ trip and alarm
CURRENT UNBALANCE
Range:...................................................................... 4 to 40% in steps of 1%
Accuracy:................................................................ ±2%
Time delay: ............................................................ 1 to 60 seconds in steps of 1 s
Timing accuracy: ................................................ ±500 ms
Elements:................................................................ trip and alarm
CALCULATION METHOD
If IAV ≥ IFLA: ( [IM - IAV] / IAV ) x 100%
If IAV ≤ IFLA: ( [IM - IAV] / IFLA ) x 100%
Where:
IAV = average phase current
IM = current in a phase with maximum deviation from IAV
IFLA = MOTOR FULL LOAD AMPS setpoint
GROUND FAULT (CBCT)
Pickup level:........................................................... 0.5 to 15.0 A in steps of 0.1 A
Trip time delay on start:................................... 0 to 10 s in steps of 0.1 s
Trip time delay on run: ..................................... 0 to 5 s in steps of 0.1 s
Alarm time delay on start/run:..................... 0 to 60 s in steps of 1 s
Timing accuracy: ................................................ ±100 ms or ±0.5% of total time
Elements:................................................................ trip and alarm
LOAD INCREASE
Pickup level:........................................................... 50 to 150% of FLA in steps of 1%
Timing accuracy: ................................................ ±500 ms
Elements:................................................................ Alarm
MECHANICAL JAM
Pickup level:........................................................... 1.01 to 4.50 × FLA in steps of 0.01
Time delay: ............................................................ 0.1 to 30.0 seconds in steps of 0.1
Timing accuracy: ................................................ ±500 ms
Elements:................................................................ trip
> I
av cutoff
< I or timer expired
av pu
MM200 MOTOR MANAGEMENT SYSTEM – QUICKSTART GUIDE
QUICKSTART GUIDE