AC1040 Datasheet, PDF (1/1 Pages) Nuvotem Talema – 40 Amp Current Transformer

AC1040 • 40 Amp Current Transformer
Low Cost 50/60Hz Current Transformers
Applications
• Sensing Overload Current
• Ground fault detection
• Metering
• Analog to Digital Circuits
• Competitive pricing due to high volume
production
• Manufactured in an ISO-9001:2000,
TS-16949:2002 and ISO-14001:2004
certified Talema facility
• Fully RoHS compliant
Electrical Specifications @ 20°C ambient
Electrical Specifications
Primary Current
40A nom., 125A max.
Turns Ratio
1000:1 nominal
Volt per Amp Ratio at 40A for 100 ohm load
0.100 V/A
Volt per Amp Ratio at 4A for 100 ohm load
0.098 V/A
DC Resistance at 20°C
49.3 ohms
Dielectric Withstanding Voltage (Hi-pot)
4KVrms
Mechanical Specifications
Case
Polycarbonate
Encapsulant
Epoxy
Flammibility
Conforms to UL94-VO
Terminals
Pins Ø 1.0mm
Marking
TALEMA
Date Code (W/Y)
AC1040, Dot at start pin
Approximate Weight
47.3 grams
Tolerance
±0.2mm
Environmental Specifications
Storage Temperature
-55° to +130°C
Insulation Resistance
100 megohms min.
10000
%RE vs RL at Rated primary current
(AC1040)
1000
Output Volts vs Input Current
For various ohmic loads
100
100
10K
5K
Infinity
2K
1K
10
500
200
100
1
50
10
0
100
10
200
400
600
800
Percent ratio error in %
Typical Excitation Curve
(AC1040~AC1050)
0.1
10
Input Current in Amps
100
1
34.90
Dimensions
14.30
0.1
0.01
0.1
1
10
Sec RMS Exciting Current in mA
231
25.40
Ø14.60
2.08
10.16
TALEMA INDIA
W/Y
AC1040
5±1mm
Ø 1.016
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
I - Turn
Primary ^40A
1
3
40mA
2
R_L 1/4W
4.0V
100 ohms
Germany: Int.+49 89 - 841 00-0 • Ireland: Int.+35 374 - 954 8666 • Czech Rep: Int.+420 377 - 338 351 • India: Int.+91 427 - 244 1325
http://www.talema-nuvotem.com
(06-06)CT’s\AC1040