ABB Relion 620 Series - Technical Data; Technical Revision History

Name Type Values (Range) Unit Description
CB_LIFE_C INT32 -99999...99999 CB Remaining life
phase C
IPOW_A FLOAT32 0.000...30000.000 Accumulated currents
power (Iyt), phase A
IPOW_B FLOAT32 0.000...30000.000 Accumulated currents
power (Iyt), phase B
IPOW_C FLOAT32 0.000...30000.000 Accumulated currents
power (Iyt), phase C
SSCBR Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
7.1.9 Technical data
Table 886: 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
7.1.10 Technical revision history
Table 887: 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.
Table continues on the next page
Condition monitoring functions 1MRS757644 H
924 620 series
Technical Manual