Current Transformer for Measurement Application (TL440 Series)

Current Transformer for Measurement Application (TL440 Series)

 

Features:

  • Sense up to 50 Arms continuously
  • Mains working frequency 50/60 Hz
  • Secondary fully isolated to 4000Vrms
  • Typical working temperature : -25°C ~+85°C
  • Fully encapsulated
  • Ideal for branch circuit overlaod and loaddrop or shutdown detection application
  • Custom-made are available upon request

 

Product Series Dimension (mm) Weight (g)
A B C D E F G H I J
TL440-111 Fig I 18.5 10.0 20.5 4.0 DIA0.6 11.3 5.0 12.7 4.5 5.0 9.0
TL440-121 Fig II 18.5 10.0 20.5 4.0 DIA0.6 11.3 5.0 12.7 9.0
TL440-211 Fig I 22.5 13.0 25.0 4.0 DIA0.6 13.8 6.0 12.7 6.0 6.5 18.0
TL440-221 Fig II 22.5 13.0 25.0 4.0 DIA0.6 13.8 6.0 12.7 18.0
TL440-311 Fig I 22.5 14.5 25.4 4.0 DIA0.6 14.0 6.0 12.7 7.0 7.0 20.0
TL440-321 Fig II 22.5 14.5 25.4 4.0 DIA0.6 14.0 6.0 12.7 20.0
Tolerance ±1.0 ±1.0 ±1.0 ±1.0 ±1.0 ±1.0 ±1.0 ±0.5 ±0.5 ±0.5 approx.

Product Series Dimension (mm) Weight  (g)
A B C D E F G H I J
TL440-131 Fig III 18.0 18.5
13.5 4.0 DIA0.64 DIA0.8
5.0 7.5
7.5
15.0 14.0
TL440-231 Fig III 24.0
24.0 17.5 4.0 DIA0.64 DIA2.0
9.2
9.3
9.2
18.6
23.0
TL440-331 Fig III 24.0
24.0 19.5
4.0 DIA0.64 DIA2.0
9.2
9.3
9.2
18.6
25.0
Tolerance ±1.0 ±1.0 ±1.0 ±1.0 ±1.0 ±1.0 ±1.0 ±0.5 ±0.5 ±0.5 approx.

 

Part Number Rated Pri Current Ip(A) Pri:Sec Turn Ratio n:1 Working Frequency Hz Sec Current Is(mA) Sec DC Resistance (@25C) Max. Output Voltage (mV) Phase Shift Accuracy with Burden E% Burden Resistance Re(ohm) Dielectric Strength Vrms

TL440-111

TL440-121

TL440-131

TL440-211

TL440-221

TL440-231

TL440-311

TL440-321

TL440-331

 Fig I

 Fig II

 Fig III

 Fig I

 Fig II

 Fig III

 Fig I

 Fig II

Fig III

12

12

12

50

50

50

50

50

50

1000

1000

1000

1000

1000

1000

1000

1000

1000

50/60

50/60

50/60

50/60

50/60

50/60

50/60

50/60

50/60

12

12

12

50

50

50

50

50

50

25

25

25

42

42

42

23

23

23

85

85

85

2.5

2.5

2.5

200

200

200

1%

1%

1%

1%

1%

1%

1%

1%

1%

7.0

7.0

7.0

50

50

50

4.0

4.0

4.0

4000

4000

4000

4000

4000

4000

4000

4000

4000

Product Catalog
Current-Sensor-For-50_60Hz-TL440-Series