6.1.9
Technical data
Table 201: SSCBR Technical data
Characteristic
Value
Current measuring accuracy
±1.5 % or ±0.002 × I
n
(at currents in the range of 0.1…10 × I
n
)
±5.0 %
(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
6.1.10
Technical revision history
Table 202: 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.
1MRS758407 C
Condition monitoring functions
SMU615
Technical Manual
181
Summary of Contents for Relion SMU615
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