User's Guide
Power Transducer
Review I
KRON Instrumentos Elétricos
4
Technical Features
Measurement Circuit
Type:
Single-phase (F-N), Single-phase
(F-F), Wye Three-phase (3 elements, 4
wires) and Delta Three-phase (2 elements,
3 wires).
Frequency:
50 or 60Hz (±10%)
Current Input
Rated:
1Aac or 5Aac
Effective Measurement Range:
10 to
110% of In
Short duration overcharge:
20 x In (1
sec)
Continuous overcharge:
2 x In
Power consumption:
< 0,5VA
Voltage Input
Rated:
110Vac – 115Vac – 150Vac –
220Vac – 380Vac – 440Vac
Effective Measurement Range:
80 to
120% of Vn
Short duration overcharge:
1,5 x Vn
(1 sec)
Continuous overcharge:
1,2 x Vn
Power consumption:
< 0,2VA
Auxiliary (or external) supply
To be defined in the order, between these
options:
Alternated:
110 – 220 Vac (± 15%)
Continuous:
12 – 24 – 48 – 125 Vdc (±
20%)
Maximum power consumption:
5VA
Environmental Conditions
Working Temperature:
-10 to 60º C
Operating
Moisture:
0-95%
(no
condensing)
Temperature coefficient:
0.01%/°C
Mechanical Features
Fastening:
With screws (4) in the panel
background.
Housing:
Special extruded aluminum case
with high mechanical resistance and for
high temperatures.
Connections:
Through terminal strip with
M3 screws.
Protection degree:
IP40 for housing and
IP00 for terminals.
Electrical Features
Accuracy:
0.25% (under consultation:
0.2%)
Insulation:
2kV (60Hz, 1 minute)
Impulse Test:
5kV – 1.2/50us – 0.5J
Output Ripple:
<0.5% (regarding full
scale)
Response Time:
< 400ms
(others under consultation)
Standardizing
According to NBR 8145.
