Solid State Sensors
Closed Loop Current Sensors
CSN Series
CATALOG NUMBER SYSTEM
PLEASE NOTE: This matrix is intended
only
to aid you in identifying sensor cata-
log listings. It is not all-inclusive, and
must
not be used
to form new listings.
Example: CSNA111
CSN
Closed Loop Current Sensor
Current Range (Peak/RMS nom.)
A
±70
A/50 A rms nom.
B
±100
A/50 A rms nom.
C
±90
A/50 A rms nom.
D
±22
A/15 A rms nom.
E
±36
A/25 A rms nom.
F
±150
A/100 A rms nom.
J
±600
A/300 A rms nom.
K
±1200
A/500 A rms nom.
L
±600
A/300 A rms nom.
M
±1200
A/500 A rms nom.
P
±90
A/50 A rms nom.
R
±200
A/125 A rms nom.
T
±150
A/50 A rms nom.
Supply Voltage
1
±15
V
2
±13
V
3
±5
V
4
±12
V to 18 V
5
±15
V to 24 V
6
±12
V to 15 V
Coil Characteristics
1
1:1000 turns/90 @ 70°C
2
1:2000 turns/160 @ 70°C
3
1:2000 turns/130 @ 70°C
4
1:1000 turns/50 @ 70°C
5
1:1000 turns/110 @ 70°C
6
1:1000 turns/30 @ 70°C
7
1:2000 turns/80 @ 70°C
8
1:2000 turns/25 @ 70°C
9
1:5000 turns/50 @ 85°C
Housing Material
1
Polycarbonate/ABS blend
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FEATURES
Current sensing up to 1200 amps
Measures AC, DC and impulse
currents
Lowest cost/performance ratio
Rapid response, no overshoot
High overload capacity
High level of electrical isolation
between primary and secondary
circuits
Small size and weight
CLOSED LOOP SENSORS
Closed loop current sensors measure
AC, DC and impulse currents over 0-25,
0-50, 0-100, 0-600 and 0-1200 Amp rang-
es. The CSN Series is based on the princi-
ples of the Hall effect and the null balance
or zero magnetic flux method (feedback
system). The magnetic flux in the sensor
core is constantly controlled at zero. The
amount of current required to balance
zero flux is the measure of the primary
current flowing through the conductor,
multiplied by the ratio of the primary to
secondary windings. This closed loop
current is the output from the device and
presents an image of the primary current
reduced by the number of secondary
turns at any time. This current can be
expressed as a voltage by passing it
through a resistor.
60
Honeywell MICRO SWITCH Sensing and Control 1-800-537-6945 USA
1-815-235-6847 International 1-800-737-3360 Canada
Solid State Sensors
Closed Loop Current Sensors
CSNA, CSNB, CSNE SERIES ORDER GUIDE
Catalog
Listing
CSNA111
CSNB121
CSNB131
CSNE151
CSNE381*
CSNH151*
Current
Range
Amps
±70
±100
±100
±5-36
±5-36
±4-43
Supply
Voltage
VDC
±5%
±15
±15
±15
±15
±5V
±15V
Coil
Characteristics
Turns
Resistance
1000
2000
2000
1000
1000
1000
90
160
130
110
66
110
@ 70°C
@ 70°C
@ 70°C
@ 70°C
@ 70°C
@ 70°C
Meas.
Currents
Nom.
50 mA for 50 A
25 mA for 50 A
25 mA for 50 A
25 mA for 25 A
25 mA for 25 A
25 mA for 25 A
Meas.
Resist
(@ I
nom
)
40 to 130
40 to 270
40 to 300
100 to 320
0 to 84
100 to 320
CSN Series
NOTE: Extended temperature range and potting also available.
* Contact the 800 number for more information.
SPECIFICATIONS
Catalog Listing
Offset Current @ 25°C, mA max.
Temperature Drift, 0 to 70°C, mA
Linearity
Supply Voltage
Galvanic Isolation @ 50 Hz/1 min.
Accuracy
Response Time
Bandwidth
Temperature
Primary Circuit Connection
Secondary Circuit Connection
Current Drain
‘‘In-Out’’ Sense Signal
Mounting
CSNA111
±0.20
±0.35
typ.
±0.60
max.
0.1%
±15V
2.5 kV rms
±0.5%
of I
N
(nominal Current) at 25°C
<1
s
DC to 150 kHz
Operating: 0 to 70°C (32 to 150°F)
Thru-hole
3 Pins
Thru-hole
3 Pins
Storage:
−25
to 85°C (−13 to 185°F)
Thru-hole
3 Pins
Invasive on 10 pins
3 Pins
CSNB121
±0.10
±0.20
typ.
±0.30
max.
0.1%
±15V
CSNB131
±0.10
±0.20
typ.
±0.30
max.
0.1%
±15V
CSNE151
±0.10
±0.17
typ.
±0.60
max.
0.2%
±15V
5 kV rms
10 mA (no load current)
+
output current (secondary current)
To obtain positive measuring current on O/P terminal, current must flow in direction of arrow
PCB, 3 pins, hole size 0.95 mm
PCB, 13 pins
PRIMARY PIN CONNECTIONS FOR CSNE151
Primary Current
Primary
Turns
1
Nom. I
DN
(A)
24
Max. I
D
(A)
36
Output
Current
(mA)
25
Primary
Resistance
(m )
0.3
Primary Pin
Connections
Current
2
12
18
24
1.1
3
8
12
24
2.5
4
6
9
24
4.4
5
5
7
25
6.3
WIRING DIAGRAMS
CSNA111/CSNB121/CSNB131
CSNE151
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1-815-235-6847 International 1-800-737-3360 Canada
61
Solid State Sensors
Closed Loop Current Sensors
MOUNTING DIMENSIONS
(for reference only)
CSNA111, CSNB121, CSNB131
CSN Series
CSNE151/CSNE381
CSNH151
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Honeywell MICRO SWITCH Sensing and Control 1-800-537-6945 USA
1-815-235-6847 International 1-800-737-3360 Canada
Solid State Sensors
Closed Loop Current Sensors
CSNJ, CSNK SERIES ORDER GUIDE
Current
Range
Amps
±600
±600
±600
±600
±1200
±1200
±1200
±1200
Supply
Voltage
VDC
±
5%
±12
to 18
±12
to 18
±12
to 18
±12
to 18
±15
to 24
±15
to 24
±15
to 24
±15
to 24
Coil Characteristics
Turns
2000
2000
2000
2000
5000
5000
5000
5000
Resistance
25
25
25
25
50
50
50
50
@ 70°C
@ 70°C
@ 70°C
@ 70°C
@ 70°C
@ 70°C
@ 70°C
@ 70°C
Meas.
Currents
Nom.
150 mA for 300 A
150 mA for 300 A
150 mA for 300 A
150 mA for 300 A
100 mA for 500 A
100 mA for 500 A
100 mA for 500 A
100 mA for 500 A
CSN Series
Catalog Listings
CSNJ481
CSNJ481-001*
CSNJ481-002
CSNJ481-003*
CSNK591
CSNK591-001*
CSNK591-002
CSNK591-003*
*Fitted with busbar
Meas.
Resist (@ I
nom
)
0 to 70
0 to 70
0 to 70
0 to 70
0 to 130
0 to 130
0 to 130
0 to 130
SPECIFICATIONS
Catalog Listings
Offset Current @ 25°C, mA max.
Temperature Drift, 0 to 70°C, mA
Linearity
Supply Voltage
Galvanic Isolation @ 50 Hz/1 min.
Accuracy
Response Time
Bandwidth
Operating Temperature
Storage Temperature
Primary Circuit Connection
Secondary Circuit Connection
Current Drain
‘‘In-Out’’ Sense Signal
Mounting
CSNJ481
CSNJ481-001
±0.30
±0.30
typ.
±0.50
max.
±0.1%
±12
to
±18V
7.5 kV rms
<1
s
DC to 150 kHz
−40
to 85°C
(−40 to 185°F)
−40
to 90°C
(−40 to 194°F)
Thru-hole or busbar
3 pins
0 to 70°C
(32 to 158°F
−25
to 85°C
(−13 to 85°F
Thru-hole or busbar
3 pins
−40
to 85°C
(−40 to 185°F)
−40
to 90°C
(−40 to 194°F)
Thru-hole or busbar
3 pins
0 to 70°C
(32 to 158°F)
−25
to 85°C
(−13 to 85°F)
Thru-hole or busbar
3 pins
CSNJ481-002
CSNJ481-003
±0.30
±0.30
typ.
±0.50
max.
±0.1%
±12
to
±18V
7.5 kV rms
CSNK591
CSNK591-001
±0.20
±0.20
typ.
±0.30
max.
±0.1%
±15
to
±24V
6 kV rms
CSNK591-002
CSNK591-003
±0.20
±0.20
typ.
±0.30
max.
±0.1%
±15
to
±24V
6 kV rms
±0.5%
of I
N
(nominal Current) at 25°C
14 mA (no load current)
+
output current
Faston, 3 pins
22 mA (24 V)
+
output current
To obtain positive measuring current on O/P terminal, current must flow in direction of arrow
Current
Push-on (spade), 3 terminals
WIRING DIAGRAM
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Honeywell MICRO SWITCH Sensing and Control 1-800-537-6945 USA
1-815-235-6847 International 1-800-737-3360 Canada
63
Solid State Sensors
Closed Loop Current Sensors
MOUNTING DIMENSIONS
(for reference only)
CSNJ481
CSN Series
CSNK591
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Honeywell MICRO SWITCH Sensing and Control 1-800-537-6945 USA
1-815-235-6847 International 1-800-737-3360 Canada
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