Technical Data (Modified 2000-02) - ABB SPAC 536 C User Manual

Technical data
(modified 2000-02)
Low-set neutral overcurrent stage Iϕ>
Start current
Start time, typically
Operate time, two ranges
Reseting time, typically
Drop-off/pick-up ratio, typically
Operate time accuracy
Operation accuracy
High-set neutral overcurrent stage Iϕ>>
Start current
Start time, typically
Operate time
Reseting time, typically
Drop-off/pick-up ratio, typically
Operate time accuracy
Operation accuracy
1...10% x I
n
150 ms
0.1...1.0 s and 1.0...10.0 s
100 ms
0.95
±2% of setting or ±50 ms
±3% of the maximum setting value of
stage Iϕ> + inaccuracy caused by ±1
displacement
and ∞, infinite, or
5...40% x I
n
and ∞, infinite
1...8% x I
n
150 ms
0.1...1.0 s
100 ms
0.95
±2% of setting or ±50 ms
±3% of the maximum setting value of
stage Iϕ>> + inaccuracy caused by ±1
displacement
o
phase
o
phase
13