Characteristic Value
(at currents in the range of 10…40 × I
n
)
Operate time accuracy
±1.0 % of the set value or ±20 ms
Travelling time measurement
+10 ms / -0 ms
7.1.10 Technical revision history
Table 581: SSCBR Technical revision history
Technical revision Change
B
Added the possibility to reset spring charge
time and breaker travel times
C
Removed the DIFTRVTOPALM and DIFTRVT-
CLALM outputs and the corresponding
Open
Dif alarm time
and
Close Dif alarm time
set-
ting parameters
D
The
Operation cycle
setting parameter re-
named to
Initial CB Rmn life
. The IPOW_A (_B,
_C) range changed.
E
Maximum value of initial circuit breaker re-
maining life time setting (
Initial CB Rmn life
)
changed from 9999 to 99999. Added support
for measuring circuit breaker travelling time
from opening/closing command and auxili-
ary contact state signal change.
F
Alarm Op number
range increased from 9999
to 99999.
Lockout Op
number setting range
increased from 9999 to 99999.
Counter initial
value
setting range increased from 9999 to
99999.
Condition monitoring functions 1MRS758755 C
568 REC615 & RER615
Technical Manual
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