CTK816
Open-core current transformer for Cable and Bar from 1000 to 5000A
Current transformer with an opening core, closed by a screw-nut system. It is suitable for measuring current in single-phase cables up to 80 mm in diameter or bars with dimensions of up to 160x80mm. The range covers a wide range of primary currents, from 1000A to 5000A AC. They are available in accuracy classes of 0.5 or 1.0.
Description
Technical Specifications
Transformation ratio
Nominal Power
Accuracy Class
Terminal
Box
Mounting
Operating ambient temperature
Primary conductor
Round conductor
Number of inputs
Short-time thermal current
Continuous thermal current
Nominal frequency
Overvoltage current limiting factor
Test voltage
System Max Voltage
Applicable Standards
Diagrams and Dimensions
Reference Tables
| Opening (mm) |
Series | Ratio (A) | Accuracy Class | Power (VA) |
|---|---|---|---|---|
| 80 x 160 | CTK816- 1000/5 | 1000/5A | 1 | 10 |
| CTK816- 1250/5 | 1250/5A | 1 | 10 | |
| CTK816- 1600/5 | 1600/5A | 0.5 | 15 | |
| CTK816- 2000/5 | 2000/5A | 0.5 | 15 | |
| CTK816- 2500/5 | 2500/5A | 0.5 | 15 | |
| CTK816- 3000/5 | 3000/5A | 0.5 | 30 | |
| CTK816- 4000/5 | 4000/5A | 0.5 | 30 | |
| CTK816- 5000/5 | 5000/5A | 0.5 | 30 |
Technical Specifications
Transformation ratio
Nominal Power
Accuracy Class
Terminal
Box
Mounting
Operating ambient temperature
Primary conductor
Round conductor
Number of inputs
Short-time thermal current
Continuous thermal current
Nominal frequency
Overvoltage current limiting factor
Test voltage
System Max Voltage
Applicable Standards
Diagrams and Dimensions
Reference Tables
| Opening (mm) | Series | Ratio (A) | Accuracy Class | Power (VA) |
|---|---|---|---|---|
| 80 x 160 | CTK816- 1000/5 | 1000/5A | 1 | 10 |
| CTK816- 1250/5 | 1250/5A | 1 | 10 | |
| CTK816- 1600/5 | 1600/5A | 0.5 | 15 | |
| CTK816- 2000/5 | 2000/5A | 0.5 | 15 | |
| CTK816- 2500/5 | 2500/5A | 0.5 | 15 | |
| CTK816- 3000/5 | 3000/5A | 0.5 | 30 | |
| CTK816- 4000/5 | 4000/5A | 0.5 | 30 | |
| CTK816- 5000/5 | 5000/5A | 0.5 | 30 |
