Regulus uREG, User Manual

Page: 14 / 107

uREG User Manual
14
4. TECHNICAL DATA
Phase current input circuits
Rated current In 5 A or 1A
Measurement range 0 ÷ 192 A
Measurement error within ranges: 0.05 ÷ 0.35 A <5 %
0.35 ÷ 50 A <1.5 %
50 ÷ 192 A
<5 %
Power input at I=In <0.5 VA
Rated frequency fn 50 Hz
Continuous current-carrying capacity 3 * In
1-second thermal endurance 100 * In
Dynamic withstand value (surge current) 250 * In
Phase voltage input circuits [VT-0, VT-2, VT-3]
Rated voltage Un 100 V
Measurement range 0 ÷ 130 V
Measurement error within the measuring range <1.5 %
Power input at U=Un <0.4 VA
Rated frequency fn 50 Hz
Continuous voltage endurance* 1.4 * Un
Phase voltage input circuits [VT-1, VT-4, VT-5, VT-7, VT-8]
Rated voltage Un 230 V
Measurement range 5 ÷ 500 V
Measurement error within the measuring range <3 %
Power input at U=Un <1 VA
Rated frequency fn 50 Hz
Continuous voltage endurance* 1.5 * Un
Zero-sequence current input circuit
Rated current Ion 1 A
Measurement range 0 ÷ 10 A
Measurement error within ranges: 3 ÷ 25 mA <5 %
25 mA ÷ 3.5 A <1.5 %
3.5 ÷ 10 A <5 %
Power input at I=Ion <0.28 VA
Rated frequency fn 50 Hz
Continuous current-carrying capacity 3 * Ion
1-second thermal endurance 100 * In
Dynamic withstand value (surge current) 250 * Ion
Forceful short-circuit overcurrent protection
Tripping current setting range I>> 0.9 ÷ 100 A or 0.1 ÷ 50 A
Internal operate time for 2-fold overcurrent value 20 ÷ 50 ms (typical 35 ms)
Adjustable resetting ratio 0.910 ÷ 0.985