CLAMPS D35 D36 (4)
Transformation ratio
1000/5 2000/5 3000/5 3000/3
Measurement range
1 – 1200 A AC 1 – 2400 A AC 1 – 3600 A AC 1 – 3600 A AC
Intrinsec error (2)
And phase shift as a
function of the
primary current
3 % R and 3° for 50 A
1,75 % R and 1,75° for 200 A
1 % R and 1° for 1000 A
1 % R and 1° for 1200 A
1,5 % R and 1,5° for 100 A
0,75 % R and 0,75° for 400 A
0,5 % R and 0,5° for 2000 A
0,5 % R and 0,5° for 2400 A
1,5 % R and 1,5° for 150 A
0,75% R and 0,75° for 600A
0,5 % R and 0,5° for 3000 A
0,5 % R and 0,5° for 3600 A
1,5 % R and 1,5° for 150 A
0,75% R and 0,75° for 600A
0,5 % R and 0,5° for 3000 A
0,5 % R and 0,5° for 3600 A
Accuracy for a (3)
Given load
1 ( 2,5 V.A ) 0,5 ( 5 V.A ) 0,5 ( 10 V.A ) 0,5 ( 5 V.A )
Distortion :
temperature
< 0,1 % / 10 K < 0,1 % / 10 K
Adjacent
Conductor carrying
A current
0,005 A / A 0,005 A / A
Position of the
conductor
1,5 % + 0,2 A 1 % + 0,2 A 1 % + 0,2 A 1 % + 0,1 A
frequency
at 2,5 V.A
at 5 V.A
at 10 V.A
3 % + 1 A
-
-
-
3 % + 0,5 A
-
-
-
3 % + 0,5 A
5 % + 0,4 A
3 % + 0,3 A
-
Duration of use
As a function of
The current
Measured
Permanent Permanent
From 1 to 2400 A
Permanent
From 2400 A to 3000 A
Idem if temp < 40°C
From 3000 A to 3400 A
15 min – 30 min switched off
From 3400 A to 3600 A
10 min – 30 min switched off
From 1 to 2400 A
Permanent
From 2400 A to 3000 A
Idem if temp < 40°C
From 3000 A to 3400 A
15 min – 30 min switched off
From 3400 A to 3600 A
10 min – 30 min switched off
Impedance of the
Associated receiver
0,1 Ω 0,2 Ω 0,4 Ω 0,6 Ω
Protection from
Aver loads
(U max in open circuit)
NO YES ( 30V crest )
(1) In the following reference range : - Ambient temperature 23°C +/- 3k – Absence of external conductor carrying a current –
Relative humidity 0 to 85% RH – Absence of DC current on the external conductor – Frequency of sinusoidal current 48 to 65Hz –
Centred conductor – DC magnetic field ori ginating outside < 40A / m earths field.
(2) R : Reading.
(3) To IEC 185 article 26-27.
(4) To NUWATT and NUPHI