Page 1
AC1020 • 20 Amp Current Transformer
Low Cost 50/60Hz Current Transformers
Applications
• Sensing Overload Current
• Ground fault detection
• Metering
• Analog to Digital Circuits
Features
• Competitive pricing due to high volume production
• Confirms to UL94V-0
• Manufactured in an ISO 9001:2015 and
ISO 14001:2015 certified Talema facility
• Fully RoHS & REACH Compliant
tneibmaC°02@snoitacificepSlacirtcelE
tnerruCyramirP.xamA06,.monA02
oitaRsnruTlanimon1:0001
daolsmhO001rofA02taoitaRpmAreptloVA/V001.0
daolsmhO001rofA2taoitaRpmAreptloVA/V790.0
C°02taecnatsiseRCDsmhO8.14
)top-iH(egatloVgnidnatshtiWcirtceleiDsmrVK4
Output Volts vs Input Current
100
For various ohmic loads
snoitacificepSlatnemnorivnE
erutarepmeTegarotSC°031+ot°55-
ecnatsiseRnoitalusnI.nimsmhogem001
%RE vs RL at Rated primary current
(AC1020)
10000
1000
100
10
Infinity
10K
5K
2K
1
0.1
Output Voltage in Volts
0.01
1 10 100
1K
500
200
100
50
Input Current in Amps
Mechanical Drawing
23.80
231
15.24
1.75
23.80
Ø9.50
7.62
11.12
TALEMA INDIA
W/Y
AC1020
Ø0.813
Dimensional Unit: mm
Dimensional Tolerance: ±0.25mm (Unless Specified)
Pin Pitch Tolerance: ±0.10mm
5±1mm
Load Resistance RL in ohms
10
0 200 400 600 800 1000
Percent ratio error in %
Typical Excitation Curve
100
10
1
Sec RMS Exciting Voltage in Volts
0.1
0.01 0.1 1 10 100 1000
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 - Turn
Primary
(AC1005~AC1020)
Sec RMS Exciting current in mA
1
20A 20mA
1/8W
R
L
100 Ohms
2
2.0V
Talema Group • Magnetic Components
•
www.talema.com
Page 2
Regional Locations - Design, Manufacturing, Sales & Marketing
Talema Group Regional Offices
North America
United States
(Sales & Marketing)
Talema Group, LLC
PO Box 935
900 Innovation Drive
Suite 120, Rolla
Missouri 65402
Tel: +1 573-303-3675
E-Mail:
sales@talemagroup.com
Web: www.talema.com
Germany
(Design, Sales & Marketing)
Talema Elektronik GmbH
Sembdnerstr. 5
82110 Germering
Tel: +49 89 - 841 00 - 0
Fax: +49 89 - 841 00 25
E-Mail: info@talema.de
Web: www.talema.com
India
(Design, Manufacturing, Sales & Marketing)
Administrative Office
Talema Electronic India Private Limited
Door No. 221, 1st and 2nd Floor
KJ Plaza, Opp.to Vidya Mandir School
Meyanoor Main Road
Salem - 636 004 Tamil Nadu INDIA
Tel: +91 427 - 243 3100
Fax: +91 427 - 243 3109
E-Mail: talema@talemaindia.net
Web: www.talema.com
Europe
Ireland
(Design, Sales & Marketing)
Nuvotem TEO
Units W & X, Gweedore Business Park
Derrybeg, Letterkenny, Co. Donegal
Tel: +353 (0) 74 95 48666
Fax: +353 (0) 74 95 48139
E-Mail: info@nuvotem.com
Web: www.nuvotem.com
Asia
Factory Premises
Talema Electronic India Private Limited
Plot Nos. 30, 31 Electrical and Electronic
Industrial Estate
Suramangalam
Salem - 636 005 Tamil Nadu INDIA
Tel: +91 427 - 243 3000
E-Mail: talema@talemaindia.net
Web: www.talema.com
Czech Republic
(Design, Manufacturing, Sales & Marketing)
NT Magnetics s.r.o.
Chebská 27
322 00 Plzeñ
Tel: +420 377 - 338 351
Fax: +420 377 - 338 350
E-Mail: talema@talema.cz
Web: www.ntmagnetics.cz
Locations of Talema Group Regional Offices
Talema Group • Magnetic Components
•
www.talema.com
07/18
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