ABB 32
1MAC251744 -PG Rev. A
Issued: 03.01.2010
Motor Protection
REM615 ANSI
Product Version 2.0
Table 68. Motor run time counter (OPTM)
Description Value
Motor run-time measurement accuracy1) ±0.5%
Supervision functions
Table 65. Current circuit supervision (CCM)
Characteristic Value
Trip time
1)
< 30 ms
1)
Including the delay of the output contact
Table 66. Current circuit supervision (CCM) main settings
Parameter Values (Range) Unit Description
Pickup range 0.05...0.20 x I
n
Minimum trip current dif-
ferential level
Maximum trip current 1.00...5.00 x I
n
Block of the function at high
phase current
Table 67. Fuse failure supervision (60)
Characteristic Value
Trip time
1)
NPS function:
U
Fault
= 1.1 x set Neg Seq
voltage Lev
U
Fault
= 5.0 x set Neg Seq
voltage Lev
< 33 ms
< 18 ms
Delta function:
ΔU = 1.1 x set Voltage change
rate
ΔU = 2.0 x set Voltage change
rate
<30 ms
<24 ms
1)
Includes the delay of the signal output contact, fn = 50 Hz, fault voltage with nominal frequency injected from random phase angle, results
based on statistical distribution of 1000 measurements
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