The SCTK732A series split-core current transformer is designed for current measurement and monitoring in new or existing power distribution networks. The product uses a split-core structure that allows quick installation without disconnecting or removing cables or busbars. The wide window design accommodates large-diameter cables or busbars. The secondary winding has a built-in precision parallel resistor, providing a safe low-voltage output without the need for external sampling resistors. The compact size and easy installation, with multiple sizes available to adapt to various existing installation conditions. It offers high accuracy and high reliability. It is widely used for current measurement, monitoring, and protection in power lines and equipment, as well as current, power, and energy monitoring devices.
Features:
- Rated Input: 0.5-5000A
- Rated Output: 0.333V(AC) or 0-5A
- Small size and easy mounting
- Wide inner window, allowing clamping of big cables or bus bars
- Wide range of sizes to accommodate all existing installations
- High accuracy and reliability
Applications
- Power line current measurement and monitoring
- Electrical equipment current protection
- Motor current and power measurement
- Lighting system power monitoring
- Air compressor current monitoring
- HVAC systems
- Automation control systems
- Energy monitoring and relay protection devices
Electrical Parameter
| Rated Input |
0.5-5000A |
| Measuring range |
5%In-130%In |
| Rated Output |
0.333V(AC) or 0-5A |
| Ratio |
≤ ± 0.2% |
| Phase angle |
≤ ±10min |
| Dielectric strength |
5.0KV/1mA/1min |
| Insulation Resistance |
DC500V/100MΩmin |
Mechanical Parameter
| Case |
PC+ABS /UL94-V0 |
| Bobbin |
PC+ABS |
| Core |
Silicon |
| Internal structure |
Epoxy |
| Operating Temp |
－25℃～＋75℃ |
| Operating Humidity |
≤85% |
| Output Connection |
Terminal |
Notes: Product specifications can be customized
FAQ
Q: What is the function of the built-in precision resistor?
A: The secondary winding has a built-in precision parallel resistor. It converts the current signal directly into a safe low-voltage output, eliminating the need for external sampling resistors. This simplifies installation, improves safety, and saves component costs and installation space.
Q: What applications can the 0.5-5000A measuring range meet?
A: The ultra-wide 0.5-5000A measuring range covers various applications from fine small-current monitoring to large industrial power distribution systems, suitable for energy metering, motor protection, main distribution line monitoring, and many other scenarios.
Q: How to apply for samples? What is the lead time?
A: You can submit a sample application through our website or email. Please provide your company information and target model. Samples are free of charge and will be shipped within 3-5 working days. Mass order lead time is generally 2-8 weeks.
