Technical features – CIRCUTOR QNA500 series User Manual
Page 107

POWER QUALITY ANALYZER QNA500 8IO
QNA500 8IO Instruction manual
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13.- TECHNICAL FEATURES
AUXILIARY POWER SUPPLY (M-BASE)
Power Supply Voltage:
90-300VAC / 100-300VDC
Frequency:
50...60 Hz.
Consumption
:
11 VA (M-BASE)
5 VA (QNA500)
10 VA (M-8IO)
Working temperature:
-10...55ºC
Altitude
2000 m
AUXILIARY BATTERY POWER SUPPLY (M-BASE)
Battery:
Removable Ni-MH battery
Autonomy:
15 minutes of continuous operation (QNA500 8IO)
VOLTAGE MEASUREMENT (QNA500)
Measurement Circuit:
3 or 4-wire configuration
Measurement range :
0 to 500 VAC (phase-neutral),up to 866 VAC
(phase-phase)
Other voltages:
Through VT (Voltage transformers)
Maximum voltage of the permanent measurement: 1500 VAC (phase-phase)
Isolation voltage:
1.2/50 uS (8/20 uS) 6 kV
Frequency:
42.5 to 69 Hz
Sampling frequency :
512 samples/cycle
CURRENT MEASUREMENT (QNA500)
Measurement range:
1 to 120% of I
n
for I
n
= 5A
Maximum current:
120% of I
n
(for I
n
=5 A, I
max
=6 A) permanent, 100A
t<1 s
Sampling frequency:
512 samples/cycle
EARTH LEAKAGE CURRENT MEASUREMENT (ID) (QNA500)
Measurement range:
0-3 A
Maximum current:
3 A
Sampling frequency:
64 samples/cycle
DIGITAL INPUTS (M-8IO)
Type
Optocoupler
Working voltage:
12-18VDC
Isolation voltage:
5000V
Minimum width of the signal:
15 us
Consumption (per input)
2.5 mW
DIGITAL OUTPUTS (M-8IO)
Type:
SOLID STATE RELAY (OPTO-MOSFET)
Working voltage:
250 V
Working current:
130 mA
Isolation voltage :
3750V (between digital outputs and any other part
of the equipment – galvanic isolation)