26
Harmonics:
Harmonic (n) 1..51
Harmonic distortion factor referred to the voltage THD, current THD
(n=2..51) 0.0 ..100.0%; FFT analysis (Fast Fourier Transform)
Real Time Clock:
±20 ppm, real time clock battery CR2032
Terminals:
Cross section 0.05 .. 2.5 mm²
Clamping screws M3
Tightening torque 0.5 Nm
Protection grade ensured by the housing:
from the front IP 65; from terminals side IP 20
Weight:
0.3 kg
Overall dimensions
: 96 x 96 x 77 mm
Reference and rated operating conditions
- supply voltage: 85..253 V a.c. (40..50..400 Hz), 90..300 V d.c.
or 20..40 V a.c., 20..60 V d.c.
- input signal: 0..0.1..1.2
I
n
; 0.1..0.2..1.2
U
n
for current, voltage, PF
i
,tg
i
;
frequency 45 ..50 .. 60 .. 100 Hz; sinusoidal (THD ≤ 8%)
- power factor: -1...0...1
- ambient temperature: -10..23..+55
o
C, class K55 acc. to EN61557-12
- storage temperature: -20..+70
o
C
- humidity: 0...40...60...95% (no condensation)
- max. peak factor: current: 2; voltage: 2
- external magnetic field: ≤ 40...400 A/m DC; ≤ 3 A/m AC 50/60 Hz
- short-term overload: voltage inputs 5 sec. 2 Un; current inputs 1 sec. 50 A
- working position: any
- warm-up time: 15 min.
Real time clock battery:
CR2032
Additional errors
in % of the base error:
- from ambient temperature changes
< 50% / 10
o
C
- for THD > 8% < 50%
Standards fulfilled by the meter:
Electromagnetic compatibility:
- noise immunity in industrial environments acc. to EN 61000-6-2
radio-frequency common mode: level 2: 0,15… 1 MHz
level 3: 1 MHz...80 MHz
- noise emission acc. to EN 61000-6-4
Safety requirements
according to EN 61010-1 standard:
• isolation between circuits: basic
• installation category III for voltage to earth up to 300 V
• installation category II for voltage to earth up to 600 V
en
Summary of Contents for ND30BAC
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