Dwyer Instruments SERIES CT40, SERIES 50 Catalog Page

Series

CT40/50

Current Transformer

4-20 mA or 0-5 VDC Output, Split Core Case

55/64

[21.85]

33/64

[13.21]

1/8

[3.18]

Series CT40/50 combine current transformer and signal conditioner into a
single package. Transformers feature jumper selectable ranges and split core
case. Units are designed for applications on linear or sinusoidal AC loads.

Model
CT40-100

CT40-102
CT50-100

CT50-102

Range

10/20/50 A

10/20/50 A
100/150/200 A

100/150/200 A

Output

4-20 mA

0-5 VDC
4-20 mA

0-5 VDC

Power Requirements

12-40 VDC,
Loop Powered
Self Powered
12-40 VDC,
Loop Powered
Self Powered

55/64

[21.73]

2-13/32

[60.99]

33/64

[13.21]

Split Core-Top Terminals

23/64
[9.15]

23/32

[18.33]

2-1/4

[57.15]

1-3/16

[29.94]

SPECIFICATIONS
Output Signal: 0-5 VDC or 4-20 mA, depending on model.
Power Requirements: See table.
Accuracy: CT40/50-102: 1.0% FS; CT40/50-100: 0.5% FS.
Temperature Limits: -4 to 122°F (-20 to 50°C).
Response Time: CT40/50-102: 100 ms; CT40/50-100: 300 ms.
Isolation Voltage: 1270 VAC.
Frequency: CT40/50-102: 50-60 Hz; CT40/50-100: 20-100 Hz

(sinusoidal waveforms only).

Enclosure Rating: UL 94V-0 flammability rated.
Agency Approval: CE.

3-17/32

[89.70]

2-13/32

[61.01]

3-3/64

[77.36]

RANGE JUMPER

3/16 I.D. TYP.

2 PLACES

PROCESS CONTROL

Current Transformers/

Switches