OSI
HALL-EFFECT CURRENT SENSORS
CIRCULAR WINDOW MODELS
CURRENT
MODEL
NOMINAL SENSOR
RANGE
NUMBER
OUTPUT
SIZE
0 to 35A
CTL-51/35
35mV
A
0 to 50A
CTL-51/50
50mV
A
0 to 50A
CTL-101/50 *
50mV
C
0 to 75A
CTL-101/75 *
75mV
C
0 to 100A
CTL-101/100 *
100mV
C
0 to 150A
CTL-201/150 *
75mV
D
0 to 200A
CTL-201/200 *
100mV
D
0 to 300A
CTL-401/300 *
75mV
D
0 to 400A
CTL-401/400 *
100mV
D
0 to 500A
CTL-601/500
40mV
E
0 to 600A
CTL-601/600
50mV
E
0 to 800A
CTL-202/800
40mV
E
0 to 1000A
CTL-202/1000
50mV
E
0 to 1500A
CTL-202/1500
75mV
E
0 to 2000A
CTL-202/2000
100mV
E
* Split-core option is not included in UL listing.
Sensor size A is supplied as solid core only.
Measuring
Equipment
7N93
MODEL
CTL-
5
YE
A
R
A
NT
Y
WA
R
R
Window
Size
A .......3/8”
C .......3/4”
D .......1
1
/
8
”
E ..........2”
ORDERING INFORMATION
Example: 300Amp Split-Core Current Sensor
with Extended Temperature Range.
(Order in combination with appropriate
CTA Signal Conditioner)
CTL-401TS/300
SPECIFICATIONS
INPUT
Current Range ...................................... (See Table) dc/RMS
Over-current (without damage) ............................ 50X rating
Resistance
0-400A models ..................................................... 6Ω ±3Ω
600A+ models .................................................... 23Ω ±5Ω
Excitation Current ..................................................... 200mA
With 200mA excitation current .......................Nominal ±30%
Resistance ............................................................25Ω ±15Ω
Initial Offset ............................................................... <±2mV
CONNECTIONS & DIMENSIONS
SENSOR SIZES A (all), C (all) & D (solid):
CABLE ............... WIRE ...................... SIGNAL
GRAY.................. BLACK ................... OUTPUT (-)
GRAY.................. RED........................ OUTPUT (+)
SHIELD .............. SHIELD .................. SHIELD
BLACK ................ BLACK ................... EXCITATION (-)
BLACK ................ RED........................ EXCITATION (+)
OUTPUT
DIELECTRIC TEST
(Conductor through window to output) .
SENSOR SIZE D (split):
PIN ..................... WIRE ...................... SIGNAL
1 ......................... WHITE.................... OUTPUT (-)
2 ......................... GREEN .................. OUTPUT (+)
4 ......................... SHIELD .................. SHIELD
6 ......................... BLACK ................... EXCITATION (-)
8 ......................... RED........................ EXCITATION (+)
Standard Models ..................................................... 2200Vac
Suitable for installation on 600Vac or 850Vdc uninsulated bus
Option “S” with sensor size C and D .......................1000Vdc
To be used with insulated conductors only.
When Calibrated with CTAxxxx........................... ±0.5% F.S.
(With current conductor centered in window)
Operating Range
Standard ......................................................-10ºC to 40ºC
Extended .... Add suffix “T”...........................-40ºC to 65ºC
Effect ...................................................................... ±1% F.S.
Split-core (Sensor sizes C, D and E) .............Add suffix
“S”
ACCURACY & LINEARITY
SENSOR SIZE E (all):
PIN ..................... WIRE ...................... SIGNAL
A ......................... WHITE.................... OUTPUT (-)
B ......................... GREEN .................. OUTPUT (+)
C ......................... BLACK ................... EXCITATION (-)
D ......................... RED........................ EXCITATION (+)
E ......................... SHIELD .................. SHIELD
TEMPERATURE
OPTIONS
PHYSICAL
Cable Length ...A(all), C(solid), D(solid) ... 18in. non-detachable
C (split) ............................... 8ft. non-detachable
D (split), E(all) ........................... 8ft. detachable
NOTE: Other cable lengths available. Consult factory.
Specifications are for unidirectional operation only.
For bidirectional operation, consult factory.
SENSOR DIMENSIONS (inches)
D E
F
G H
J
K L
M
N
P
WT.
LBS
SENS.
SIZE
A
B
C
A
C
D
Dwg# 0902-00927-B Rev --
E
1
1
/
8
2
3
1
/
8
4
1
/
8
1
1
/
2
1
/
2
2
3
/
4
4
3
/
4
5 1
1
/
4
/
8
3
/
4
1
1
/
8
2
3
/
16
9
/
16
9
/
32
7
/
8
1
1
/
4
1
1
/
2
1
9
/
16
1
/
2
2 2
1
/
16
7
/
16
9
/
16
1
1
/
2
2
1
/
8
3
1
/
4
9
NA
NA
NA
4
1
/
8
3
/
16
1
/
4
1
/
2
7
/
16
NA
NA
NA
7
/
16
NA
NA
1
/
2
5
/
8
NA
1
/
8
1
/
4
5
/
32
1
/
4
11
/
64
5
/
16
17
/
64
0.12
0.28
0.75
2
OHIO SEMITRONICS, INC.
CTL circ-A,C,D,E Rev J.indd
Page 1 of 2
4242 REYNOLDS DRIVE * HILLIARD, OHIO * 43026-1264
PHONE: (614) 777-1005 * FAX: (614) 777-4511
WWW.OHIOSEMITRONICS.COM
*
1-800-537-6732
7/13/11
OSI
INSTALLATION & OPERATING INSTRUCTIONS
INSTALLATION INSTRUCTIONS
1.
2.
3.
4.
5.
6.
Installation should be performed by qualified electricians only!
Make sure electrical service is disconnected before making any electrical connections.
MODEL
CTL-
Branch circuit protection is required to be provided in accordance with the National and Local codes of the
inspection authority.
Route wires as required and secure to terminals per connection diagram on this sheet and on the unit.
Transducers are suitable for installation on 600Vac lines.
To prevent contact with live circuits, when installed on a bare bus bar, the transducer is required to be
mounted in an enclosure that requires the use of a tool for access. When installed on an insulated cable this
second enclosure is not required.
OPERATING INSTRUCTIONS
1.
2.
3.
This unit is intended for indoor use at altitudes up to 2000 meters.
Transient overvoltages according to Installation Category (overvoltage category) II, pollution Degree 2.
If cleaning of the exterior surface is necessary, de-energize all services of supply (both measuring and
instrument power circuits) and brush with a soft brush or blow off with low-pressure air. Use appropriate eye
protection. Not suitable for hose-down cleaning.
Maximum relative humidity 80 percent for temperatures up to 31°C decreasing linearly to 50 percent relative
humidity at 40°C.
Maximum operating temperature range is -40°C to 65°C.
4.
5.
UL approved for USA and Canada
Both Direct (dc) and Alternating (ac) current
WARRANTY STATEMENT
Ohio Semitronics Inc. warrants this unit to be free of defects in material and workmanship for a period of
fi
ve years
from date of shipment. This unit must not be used in any manner other than as specified in this document.
OHIO SEMITRONICS, INC.
CTL circ-A,C,D,E Rev J.indd
Page 2 of 2
4242 REYNOLDS DRIVE * HILLIARD, OHIO * 43026-1264
PHONE: (614) 777-1005 * FAX: (614) 777-4511
WWW.OHIOSEMITRONICS.COM
*
1-800-537-6732
7/13/11
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