ABB Relion REM615 Product Manual page 45

ABB
Motor Protection and Control
REM615
Product version: 3.0
Table 52. Thermal overload protection for motors (MPTTR) main settings
Parameter
Env temperature
mode
Env temperature set
Alarm thermal value
Restart thermal value
Overload factor
Weighting factor p
Time constant normal MPTTR
Time constant start
Operation
Table 53. Circuit breaker failure protection (CCBRBRF)
Characteristic
Operation accuracy
Operate time accuracy
Function
MPTTR
MPTTR
MPTTR
MPTTR
MPTTR
MPTTR
MPTTR
MPTTR
Value (Range)
FLC Only
Use RTD
Set Amb Temp
-20.0...70.0 °C
50.0...100.0 %
20.0...80.0 %
1.00...1.20
20.0...100.0
80...4000 s
80...4000 s
Off
On
Value
Depending on the frequency of the current
measured: f ±2 Hz
n
±1.5% of the set value or ±0.002 x I
±1.0% of the set value or ±20 ms
1MRS756890 D
Issued: 2010-06-29
Step
-
0.1
0.1
0.1
0.01
0.1
1
1
-
n
45