Brochure

Serie MN
Pinces ampèremetriques pour courant AC
Non-contractual document
906131102D - Ed 1
4.07 (1/2)
C100 series
Current clamp for AC current
DESCRIPTION
An electronic voltage-limiting system protects output of clamp when
operating if the secondary circuit is opened accidentally.
ELECTRICAL SPECIFICATIONS
•
Current range:
1 AAC .. 300 AAC
1 AAC .. 600 AAC
1 AAC .. 1,200 AAC
•
Current transformation ratio
250:5
500:5
1000:5
•
Output signal:
20 mAAC / AAC (5 A for 250 A)
10 mAAC / AAC (5 A for 500 A)
5 mAAC / AAC (5 A for 1,000 A)
•
Accuracy and phase shift
(1)
:
■
250 A calibre
Primary current 1 A .. 5 A 5 A 12,5 A
(2)
50 A
(2)
250 A
(2)
300 A
(2)
Accuracy en % ≤10 % + 2 mA ≤10 % ≤5 % ≤2.5 % ≤2 % ≤2 %
Phase shift not specified not specified ≤10° ≤10° ≤10° ≤10°
■
500 A calibre
Primary current 1 A .. 10 A 10 A 25 A
(3)
100 A
(3)
500 A
(3)
600 A
(3)
Accuracy en % ≤6 % + 1 mA ≤6 % ≤3 % ≤2 % ≤1 % ≤1 %
Phase shift not specified ≤6° ≤4° ≤3° ≤2.5 ° ≤2.5 °
■
1,000 A calibre
Primary current 1 A .. 20 A 20 A 50 A
(4)
200 A
(4)
1,000 A
(4)
1,200 A
(4)
Accuracy en % ≤6 % + 0.5 mA ≤5 % ≤3 % ≤1.5 % ≤1 % ≤1 %
Phase shift not specified ≤5 ° ≤3° ≤1.5° ≤1° ≤1°
•
Bandwidth:
48Hz .. 1 kHz
•
Crest factor:
■
250 A calibre:
≤6 with current ≤750 A peak
■
500 A calibre:
≤6 with current ≤1,500 A peak
■
1,000 A calibre:
≤6 with current ≤3,000 A peak
•
Maximum currents:
1,200 A for frequencies ≤1 kHz for 30minutes max
(interval between measurements >15minutes)
•
Load impedance:
■
250 A calibre: ≤0.2 Ω
■
500 A calibre: ≤0.4 Ω
■
1,000 A calibre: ≤0.4 Ω
•
Impedance of connection leads:
≤40 mΩ
•
Maximum output voltage (secondary open):
Electronic protection circuit limiting voltage
to 30V peak max
•
Operating voltage:
600V
RMS
•
Common mode voltage:
600 V category III and pollution degree 2
•
Infl uence of adjacent conductor:
■
250 A calibre: ≤15 mA / A at 50 Hz
■
500 A calibre: ≤10 mA / A at 50 Hz
■
1,000 A calibre: ≤1 mA / A at 50 Hz
•
Infl uence of conductor position in jaws:
For frequencies ≤400 Hz
■
250 A calibre: ≤0.6 % of output signal
■
500 A calibre: ≤0.4 % of output signal
■
1,000 A calibre: ≤0.2 % of output signal
•
Load infl uence:
■
250 A calibre: from 25 mΩ to 0.2 Ω
<2 % on measurement
<4° on phase
■
500 A calibre: from 50 mΩ to 0.4 Ω
<1 % on measurement
<2° on phase
■
1,000 A calibre: from 50 mΩ to 0.4 Ω
<0.5 % on measurement
<0.5 ° on phase
•
Infl uence of frequency
(5):
■
250 A calibre:
<1 % of output signal from 65Hz .. 100 Hz
<5 % of output signal from 100 Hz .. 1 kHz
■
500 A calibre:
<1 % of output signal from 65Hz .. 1 kHz
■
1,000 A calibre:
<0.5 % of output signal from 65Hz .. 100 Hz
<1 % of output signal from 100 Hz .. 1 kHz
•
Infl uence of crest factor:
<1 % of output signal for crest factor ≤6 with
current:
≤750 A peak (calibre 250 A)
≤1,500 A peak (calibre 500 A)
≤3,000 A peak (1,000 A calibre)
•
Infl uence of DC current superimposed on rated
current:
<1 % of output signal for a current ≤30 A DC
Current
250 AAC 500 AAC 1,000 AAC
Ratio
250:5 500:5 1000:5
Output
20 mA / A 10 mA / A 5 mA / A
Current clamp for AC current
Model C148