Product overview
The VTEKE CT Series consists of single-phase True RMS current transducers designed to convert the AC current signal from a current transformer into a proportional DC analog output. The series provides current measurement for industrial monitoring and control applications, with multiple analog output configurations and AC or DC auxiliary supply options.
Applications
- Industrial automation and control systems
- PLC analog input applications
- Electrical current monitoring
- Energy management and monitoring systems
- Electrical distribution panels
- Current transformer signal conversion
Key features
- True RMS current measurement
- Conversion of AC current into proportional DC analog signals
- Current input options of 0–1 A AC and 0–5 A AC
- Multiple analog current and voltage output options
- AC and DC auxiliary power supply versions
- Galvanic isolation on AC-powered models
- LED operating status indication
- DIN rail mounting
Specifications
Electrical Characteristics
| Auxiliary Supply — DC Model | 24 V DC (9–34 V DC) |
|---|---|
| Auxiliary Supply — AC Model | 220 V AC (85–280 V AC) |
| Galvanic Isolation — DC Model | Not isolated |
| Galvanic Isolation — AC Model | 1.5 kV isolation, 3.0 kV withstand |
| Max. Power Consumption — DC Model | 1 W (35 mA) at 24 V DC |
| Max. Power Consumption — AC Model | 2 W (20 mA) at 115 V AC / 3 W (15 mA) at 230 V AC |
Measurement Characteristics
| Measurement Method | True RMS |
|---|---|
| Input Current Range | 0–1 A AC / 0–5 A AC |
| Continuous Overload Current | 10 A AC |
| Input Signal Frequency | 40–100 Hz |
| Sampling Frequency | 31 kHz (typical) |
| Conversion Accuracy | Max. 1.0% error at nominal current, 25°C |
| Response Time | 100 ms (typical) |
Output Characteristics
| Analog Current Output | 4–20 mA / 0–20 mA |
|---|---|
| Analog Voltage Output | 0–5 V / 0–10 V / 1–5 V / 2–10 V |
| Max. Output Load — Current Output | 700 Ω at 24 V DC supply |
| Min. Output Load — Voltage Output | 10 Ω (verify) |
| Output Load Error | Max. 5% error (datasheet wording; verify) |
Operating Conditions
| Operating Temperature | -10°C to +60°C |
|---|
Mechanical Characteristics
| Mounting | DIN rail |
|---|
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