040510/6
DC Current transducer DK-B020/420
A split core transducer for the electronic measurement DC current,
with galvanic isolation between the primary (High power) and the
secondary circuits (Electronic circuit) with current output.
Electrical data
Primary Nominal Current
Analogue Output Signal
1)
Types
I
PN
(A.t)
I
OUT
(mA)
50,75,100
0-20
DK 100 B020
100,150,200
0-20
DK 200 B020
150,225,300
0-20
DK 300 B020
200,300,400
0-20
DK 400 B020
50,75,100
4-20
DK 100 B420
100,150,200
4-20
DK 200 B420
150,225,300
4-20
DK 300 B420
200,300,400
4-20
DK 400 B420
V
c
Supply voltage
22-26
V AC/ DC
R
L
Load resistance (max)
650
V
d
Isolation voltage
3000
V
f
Frequency
DC
I
c
Current consumption (max)
100
mA
Accuracy - Dynamic performance data
X
Accuracy
@ I
PN
, T
A
=25C
1
%
L
Linearity
0.75
%
t
r
Response time @ 90% of I
PN
< 100
mS
General data
T
A
Ambient operating temperature (0-95% RH)
- 20 .. + 50
C
T
S
Ambient storage temperature
- 20 .. + 85
C
m
Mass
120
g
Options
Bipolar output :
DK 100 B 420 B, DK 200 B 420 B, DK 300 B 420 B, DK 400 B 420 B
Note :
1)
For 0-20 mA and 4-20 mA outputs models, no saturation outputs up to 23 mA.
Features
DC Measurement
Split core box
Current output
Jumper selectable ranges
Panel mounting
Extended measuring range
Advantages
Large aperture
High isolation between primary and
secondary circuits
Easy to mount
No insertion losses
Applications
Battery Banks
- Monitors load current
- Monitors charging current
- Verifies operation
Transportation
Measures traction power or auxiliary
loads
Electric Heating Elements
Faster response than temperature
sensors.
Options on request
Bipolar output
DIN mounting.
LEM Components
www .lem.com
I
PN
= 50 .. 400A
Dimensions
DK-B020/420
(unit : mm, 1 mm = 0.0394 inch)
Mechanical characteristics
Standard output
General tolerance
1 mm
Primary aperture
21.7 mm sq.
Panel mounting
2 holes
4.5 mm
Distance between holes
77.3 mm
Connections
Bipolar output
2 x UNC8 Cylindric Head
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
3
.2
4.5
13
89.7
13
77.3
30
57.2
61
21.7
21.7
61
- IP
+ IP
output in %
100
22-26 VAC/DC
- dead front captive screw terminals
- 12-22AWG solid or stranded
- IP
+ IP
output in mA
20
0
12
4