SACE EMAX 2 NEW LOW VOLTAGE POWER C I RCUI T BRE AKERS TO ANS I C37 / UL 1066 / CSA STANDARDS
3/32
— Technical characteristics for protection trip units Measurement functions
Instantaneous measurements
Parameters L1, L2, L3, Ne
Currents (RMS)
[A] [A] [V] [V]
Ground fault current (RMS) Phase-phase voltage (RMS) Phase-neutral voltage (RMS)
Ig
U12, U23, U31
U1, U2, U3
Phase sequence Frequency Active power Reactive power Apparent power
[Hz] [kW]
f
P1, P2, P3, Ptot Q1, Q2, Q3, Qtot S1, S2, S3, Stot
[kVAR] [KVA]
Power factor Peak factor
total
L1, L2, L3, Ne
Counters recorded from installation or from the last reset
Parameters
Active energy Reactive energy Apparent energy
[kWh]
Ep total, Ep positive, Ep negative Eq total, Ep positive, Ep negative
[kVARh] [KVAh]
Es total
Network Analyzer
Parameters
Hourly average voltage value
[V] [no]
- Umin= 0.75…0.95 x Un - Umax= 1.05…1.25 x Un - Events counter (nr. 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 - Events counter (nr. of events day by day in the last year plus the total events in the breaker's lifetime) - Umax= 1,05…1,25 x Un - Events counter (nr. of events day by day in the last 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 - Umax1= 1.05…1.25 x Un - Umax2= 1.05…1.25 x Un - Events counter (nr. 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 - Events counter (nr. of events day by day in the last year plus the total events in the breaker's lifetime) Current and Voltage - up to 50° - Alarm THD: 5…20% - Single harmonic alarm: 3...10% plus a count of minutes the harmonic has been exceeded
Short voltage interruptions
[no]
Short voltage spikes
[no]
Slow-voltage sags and swells
[no]
Voltage unbalance
[V] [no]
Harmonic analysis
Powered by FlippingBook