ABB SPCJ 4D29 - Detailed Technical Data; Stage-Specific Parameter Specifications

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Low-set overcurrent stage I>
Start current
- definite time characteristic 0.5...5.0 x I
n
- inverse time characteristic 0.5…2.5 x I
n
Start time, typ. 50 ms
Operation characteristic
- definite time characteristic
- operate time 0.05...300 s
- Inverse time characteristic acc. to
BS 142 and IEC 60255-3 Extremely inverse
Very inverse
Normal inverse
Long-time inverse
- special characteristic acc. to ABB standards RI-type inverse
RXIDG-type inverse
- time multiplier k 0.05...1.00
Reset time, typ. 40 ms
Retardation time <30 ms
Drop-off/pick-up ratio, typ. 0.96
Operate time accuracy at definite time
operation characteristic ±2 % of set value or ±25 ms
Operate time accuracy class E at inverse
time characteristic 5
Operation accuracy ±3% of set value
High-set overcurrent stage I>>
Start current I>> 0.5...40.0 x I
n
or ∞, infinite
Start time, typ. 40 ms
Operate time 0.04...300 s
Reset time, typ. 40 ms
Retardation time <30 ms
Drop-off/pick-up ratio, typ. 0.98
Operate time accuracy ±2% of set value or ±25 ms
Operation accuracy ±3% of set value
Low-set earth-fault stage I
0
>
Start current I
0
> 0.1…0.8 x I
n
Start time, typ. 60 ms
Operation characteristic
- definite time characteristic
- operate time 0.05...300 s
- Inverse time characteristic acc. to
BS 142 and IEC 60255-3 Extremely inverse
Very inverse
Normal inverse
Long-time inverse
- special characteristic acc. to ABB standards RI-type inverse
RXIDG-type inverse
- time multiplier k
0
0.05...1.00
Reset time, typ. 40 ms
Retardation time <30 ms
Drop-off/pick-up ratio, typ. 0.96
Operate time accuracy at definite time
operation characteristic ±2 % of set value or ±25 ms
Operate time accuracy class E at inverse
time characteristic 5
Operation accuracy ±3% of set value
Technical data