AC1075 鈥?75 Amp Current Transformer
Low Cost 50/60Hz Current Transformers
Applications
鈥?Sensing Overload Current
鈥?Ground fault detection
鈥?Metering
鈥?Analog to Digital Circuits
鈥?Competitive pricing due to high volume
production
鈥?Manufactured in an ISO-9001:2000,
TS-16949:2002 and ISO-14001:2004
certified Talema facility
鈥?Fully RoHS compliant
Electrical Specifications @ 20擄C ambient
E lectrical S p ecificatio n s
Primary Current
75A nom., 200A max.
Turns Ratio
1000:1 nominal
Volt per Amp Ratio at 75A for 100 ohm load
0.100 V/A
Volt per Amp Ratio at 7.5A for 100 ohm load
0.0984 V/A
DC Resistance at 20擄C
24 ohms
Dielectric Withstanding Voltage (Hi-pot)
4KVrms
Mechanical Specifications
C a se
Encapsulant
Flammibility
Terminals
Marking
Approximate Weight
Tolerance
Polycarbonate
Epoxy
Conforms to UL94-VO
Pins 脴 1.0mm
TALEMA
Date Code (W/Y)
AC1075, Dot at start pin
E n viro n men tal S p ecificatio n s
Storage Temperature
Insulation Resistance
-55擄 to +130擄C
100 megohms min.
10000
%RE vs RL at Rated primary current
(AC1075)
65.2 grams
鹵0.2mm
Output Volts vs Input Current
For various ohmic loads
Load resistance RL in ohms
1000
100
100
Infinity
10K
Output Voltage in Volts
10
5K 2K
1K
500
-200
0
200
400
600
800
1000
1200
1400
Percent ratio error in %
10
200
Typical Excitation Curve
(AC1060~AC1075)
100
100
50
Sec RMS Exciting Voltage in Volts
10
1
10
100
Input Current in Amps
1000
1
Dimensions
38.10
15.90
0.1
0.01
0.1
1
10
Sec RMS Exciting Current in mA
38.10
TALEMA INDIA
W/Y
AC1075
脴14.60
5鹵1mm
脴 1.016
2
3
33.00
1
2.85
Notes:
1) Unless requested, the terminating resistor and the one-turn
primary are not supplied
2) Pin 3: Normally for mechanical support only but will be
used on center tapped designs
1
I - Turn
Primary
75A
75mA
2
3
R
L
1W
7.5V
100 ohms
10.16
Germany: Int.+49 89 - 841 00-0 鈥?Ireland: Int.+35 374 - 954 8666 鈥?Czech Rep: Int.+420 377 - 338 351 鈥?India: Int.+91 427 - 244 1325
http://www.talema-nuvotem.com
(06-06)CT鈥檚\AC1075
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