EMR-5000
IM02602012E
Under Load Protection:
37[x]
Accuracy
Threshold
±1.5% of the setting value or 1% In
Dropout Ratio
103% or 0.5% x In
t
DEFT
±1% or ±10 ms
Operating Time
Starting from I lower than 0.9 x setting value
<50 ms
Disengaging Time
<50 ms
Mechanical Load Shedding:
MLS
Accuracy
Pickup Threshold
±1.5% of the setting value or 1% In
Pickup Delay
DEFT
±1% or ±10 ms
Dropout Threshold
±1.5% of the setting value or 1% In
Dropout Delay
DEFT
±1% or ±10 ms
Start Delay Timers
Accuracy
Start Delay (common timers)
±1% or ±10 ms
Operating Times
for IOC, GOC,
Power,
Current Differential,
JAM
<35 ms
for Underload,
Undervoltage, Overvoltage,
Frequency,
Generic 1-5
<60 ms
Temperature Protection Elements: 49/38 [x]
RTD Trip w /URTD
Accuracy
Trip Threshold
±1°C (1.8°F)
Alarm Threshold
±1°C (1.8°F)
t-delay Alarm
DEFT
±1% or ±10 ms
Reset Hysteresis
-2°C (-3.6°F) of threshold
±1°C (1.8°F)
Current unbalance:
46[x]
Accuracy
*1)
Threshold
±2% of the setting value or 1% In
%(I2/I1)
±1%
t
DEFT
±1% or ±10 ms
Operating Time
<60 ms
Disengaging Time
<40 ms
*1) Negative-sequence current I2 must be ≥ 0.01 x In, I1 must be ≥ 0.1 x In.
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