Page 87 - Product-catalogue-v17

Air Circuit Breakers (ACB)

AIR CIRCUIT BREAKERS

Technical Characteristics for Protection Trip Units - Measurement Functions

1

Instantaneous measurements Parameters Precision (Class 1) (1) Ekip Touch (2) Ekip Hi-Touch
Currents (RMS) [A] L1, L2, L3, Ne 0.5% ● ●
Earth Fault Current (RMS) [A] Ig 2% ● ●
Phase-Phase Voltage (RMS) [V] U12, U23, U31 0.5% ● ●
Phase-Neutral Voltage (RMS) [V] U1, U2, U3 0.5% ● ●
Phase Sequence ● ●
Frequency [Hz] f 0.1% ● ●
Active Power [kW] P1, P2, P3, Ptot 1% ● ●
Reactive Power [kVAR] Q1, Q2, Q3, Qtot 2% ● ●
Apparent Power [KVA] S1, S2, S3, Stot 1% ● ●
Power Factor total 2% ● ●
Peak Factor L1, L2, L3, Ne ● ●

Counters Recorded from Installation or from Parameters Precision (Class 1) (1)
the Last Reset
Active Energy [kWh] Ep total, Ep positive, Ep negative 1% ● ●
Reactive Energy [kVARh] Eq total, Ep positive, Ep negative 2% ● ●
Apparent Energy [KVAh] Es total 1% ● ●

Network Analyser Parameters Intervals
- Umin = 0.75...0.95 x Un
[V] - Umax = 1.05...1.25 x Un
Hourly Average Voltage Value t = 5...120min ● ●
[No.] - Events counter (No. of events day by day in the last
year plus the total events in the breaker’s lifetime)
- Umin = 0.75...0.95 x Un
Short Voltage Interruptions [No.] - Events counter (No. of events day by day in the last t < 40ms ● ●
year plus the total events in the breaker’s lifetime)
- Umax = 1.05...1.25 x Un
Short Voltage Spikes [No.] - Events counter (No. of events day by day in the last t < 40ms ● ●
year plus the total events in the breaker’s lifetime)
- Umin1 = 0.75...0.95 x Un
- Umin2 = 0.75...0.95 x Un
- Umin3 = 0.75...0.95 x Un
Slow-Voltage Sags and Swells [No.] - Umax1 = 1.05...1.25 x Un t = 0.02s...60s ● ●
- Umax2 = 1.05...1.25 x Un
- Events counter (No. of events day by day in the last
year plus the total events in the breaker’s lifetime)
- U neg. seq.=0.02...0.10 x Un
[V]
Voltage Unbalance - Events counter (No. of events day by day in the last t = 5...120min ● ●
[No.]
year plus the total events in the breaker’s lifetime)
Current and Voltage
- Up to 50 o
- Alarm THD: 5...20%
Harmonic Analysis ● ●
- Single harmonic alarm:
3...10% plus a count of minutes the harmonic
has been exceeded
(1) Class 1 is factory fitted and not available on stock standard breakers. Contact IPD
(2) Precision (Class 1) available with dedicated extracode
With Class 1, please refer to the precision values below:
Current (RMS) 1% Frequency 0.2% Power Factor 2%
Earth Fault Current (RMS) 2% Active Power 2% Active Energy 2%
Phase-Phase Voltage (RMS) 0.5% Reactive Power 2% Reactive Energy 2%
Phase-Neutral Voltage (RMS) 0.5% Apparent Power 2% Apparent Energy 2%

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