Brochure

Serie MN
Pinces ampèremetriques pour courant AC
Non-contractual document
906131102D - Ed 1
4.06 (1/1)
C100 series
Current clamp for AC current
Model C122
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 .. 1,200 AAC
•
Current transformation ratio:
1000:5
•
Output signal:
5 mAAC / AAC (5 A for 1,000 A)
•
Accuracy and phase shift
(1)
:
Primary current 1 A .. 20 A 20 A 50 A
(2)
200 A
(2)
1,000 A
(2)
1,200 A
(2)
Accuracy en % ≤6 % + 0.5 mA ≤5 % ≤3 % ≤1.5 % ≤1 % ≤1 %
Phase shift not specified ≤3° ≤3° ≤1.5° ≤1° ≤1°
•
Bandwidth:
30 Hz .. 10 kHz
•
Crest factor:
≤6 for a current ≤3,000 A peak (500 A
RMS
)
•
Maximum currents:
1,000 A continuous for a frequency ≤ 1 kHz
(limitation proportional to the inverse of frequency
beyond)
1,200 A for 30 minutes max (interval between
measurements > 15 minutes)
•
Load impedance:
≤0.6 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:
≤1 mA / A at 50 Hz
•
Infl uence of conductor position in jaws:
≤0.2 % of output signal for frequencies ≤400 Hz
•
Load infl uence:
From 0.2 Ω to 0.6 Ω
<0.5 % on measurement
<0.5 ° on phase
•
Infl uence of frequency
(3)
:
<1 % of output signal from 30 Hz .. 48Hz
<0.5 % of output signal from 65Hz .. 1 kHz
<1 % of output signal from 1 kHz .. 5 kHz
•
Infl uence of crest factor:
<1 % of output signal for crest factor ≤6 with current
≤3,000 A peak (500A
RMS
)
•
Infl uence of DC current superimposed on rated
current:
<1 % of output signal for a current ≤30 A DC
MECHANICAL SPECIFICATIONS
•
Operating temperature:
-10 °C to +50 °C
•
Storage temperature:
-40 °C to +70 °C
•
Infl uence of temperature:
≤0.1 % of output signal per 10 °K
•
Relative humidity for operation:
0 to 85% RH with a linear decrease above 35 °C
•
Infl uence of relative humidity:
<0.2 % of output signal from 10% to 85% RH
•
Operating altitude:
0 to 2,000 m
•
Max. jaw opening:
53mm
Patented progressive opening system
•
Clamping capacity:
- Cable: Ø max 52mm
- Busbar: 1 busbar of 50 x 5mm /
4 busbars of 30 x 5mm
•
Casing protection rating:
IP40 (IEC529)
•
Drop test:
1 m (IEC68-2-32)
•
Shock resistance:
100 g (IEC68-2-27)
•
Vibration resistance:
5/15Hz 1.5mm
15/25Hz 1mm
25/55Hz 0.25mm
(IEC68-2-6)
•
Self-extinguishing capability:
Casing and jaws: UL94 V0
•
Dimensions:
216 x 111 x 45mm
•
Weight:
550 g
•
Colours:
Dark grey case with red jaws
•
Output:
Safety sockets (4mm)
SAFETY SPECIFICATIONS
•
Electrical safety:
Instrument with double insulation or reinforced
insulation between the primary the secondary and
the grippable part located under the guard as per
IEC1010-1 & IEC1010-2-032
- 600V category III, pollution degree 2
- 300V category IV, pollution degree 2
•
Electromagnetic compatibility (EMC):
EN50081-1: classB
EN50082-2:
- Electrostatic discharge: IEC1000-4-2
- Radiated field: IEC1000-4-3
- Fast transients: IEC1000-4-4
- Magnetic field at 50/60 Hz: IEC1000-4-8
(1) Conditions of reference: 23 °C ± 3 °K, 20 % to 75 % RH, signal sinus, frequency of 48Hz to 65Hz, distortion factor <1 %, no DC components,
external magnetic fi eld <40A/m, no AC magnetic fi eld, conductor centred for measurement, load impedance 0.2 Ω (5 VA)
(2) Accuracy class in accordance with IEC185: 5 VA - class 1 - 48 .. 65Hz
(3) Out of reference domain
Current
1,000 A
Ratio
1000 / 5
Output
5 mA / A
To order Reference
AC current clamp model C122 with operating manual P01120306