Products

Encased Measurement Current Transformers (CTME Series) (Refer to Guide for Selection for selection help)

SD1/M10/051
  • Tough & robust being made from high impact flame retardant materials and
    can be mounted directly on busbars operating at temperature of 105°C
  • Clear terminal cover with sealing facility as standards for all frame sizes
  • Choice of mounting arrangements - foot or busbar
  • Choice of terminations - direct clamp of cable or cable lug
  • Choice of cable direction with knockouts provided in terminal shrouds
  • Clip-on mounting feet and busbar clamps available on request at no extra charge

Performance Data

Temperature Range

-20°C to +70°C

Insulation Class

B

Dielectric Strength

2.5 kV/min

Nominal Frequency

50Hz / 60Hz

Nominal Strength (A.C. primary)

660V

Degree of Protection

IP40

Rated Short Circuit Thermal Current (Ith)

60 X rated primary current for 1 second

Rated Dynamic Current (Idyn)

2.55 X Ith

Dimensional Details (All dimensions in mm)

Frame Size

OD

ID

H

H1

A

B

CTME1

65

22

87

74

44

42

CTME2

65

33

87

74

44

42

CTME3

97

51

115

102

62

42

CTME4

128

82

157

144

74

42

CTME5

147

102

175

162

92

42

CTME6

192

126

220

207

130

42

Specifications

 Indicates the performance specifications which can be archived by the particular frame size at that particular ratio  

 Indicates standard stock CT for that particular frame size and ratio

Frame Size

Ratio

Class 5

Class 3

Class 2

Class 1

Class 0.5

VA

2

2.5

3

5

7.5

2

2.5

3

5

7.5

2

2.5

3

5

7.5

2

2.5

3

5

7.5

2

2.5

3

5

7.5

CTME1

50/5A

60/5A

75/5A

100/5A

VA

2

2.5

3

5

7.5

2

2.5

3

5

7.5

2

2.5

3

5

7.5

2

2.5

3

5

7.5

2

2.5

3

5

7.5

CTME2

75/5A

100/5A

150/5A

200/5A

250/5A

300/5A

400/5A

VA

3

5

7.5

10

15

3

5

7.5

10

15

3

5

7.5

10

15

3

5

7.5

10

15

3

5

7.5

10

15

CTME3

150/5A

200/5A

300/5A

400/5A

500/5A

600/5A

750/5A

800/5A

1000/5A

1200/5A

VA

3

5

7.5

10

15

3

5

7.5

10

15

3

5

7.5

10

15

3

5

7.5

10

15

3

5

7.5

10

15

CTME4

300/5A

400/5A

600/5A

630/5A

750/5A

800/5A

1000/5A

1200/5A

1250/5A

1500/5A

1600/5A

2000/5A

1000/1A

1250/1A

1600/1A

VA

3

5

7.5

10

15

3

5

7.5

10

15

3

5

7.5

10

15

3

5

7.5

10

15

3

5

7.5

10

15

CTME5

1200/5A

1500/5A

1600/5A

2000/5A

2500/5A

1600/1A

2000/1A

2500/1A

VA

3

5

7.5

10

15

3

5

7.5

10

15

3

5

7.5

10

15

3

5

7.5

10

15

3

5

7.5

10

15

CTME6

1500/5A

1600/5A

2000/5A

2500/5A

3000/5A

3200/5A

4000/5A

2000/1A

3200/1A

4000/1A