ZMCT103C Current Sensor 5A AC – 1 phase
The Current Sensor 5A AC – 1 Phase is a versatile and essential device used to monitor and measure the current flowing through a single-phase alternating current (AC) circuit. It is specifically designed to measure current up to 5 amps, making it ideal for low-power applications such as household appliances, small machinery, and energy monitoring systems.
One of the main features of this sensor is its ability to measure AC current, which fluctuates in both direction and magnitude over time. This is particularly important for applications where power consumption varies, such as in lighting systems, small motors, and residential power networks. The sensor provides real-time current readings, enabling users to monitor their energy usage or prevent overloads.
The single-phase design makes it suitable for standard residential and small commercial environments, where power is typically supplied in a single-phase system. This type of system is common in areas where electricity demand is not extremely high, unlike industrial sectors that rely on three-phase power for larger equipment.
The sensor’s output is often analog, typically in the form of voltage (such as 0-5V) or current (like 4-20mA), which corresponds directly to the measured current. This allows easy integration with microcontrollers, energy meters, and other monitoring systems. Some models may also provide digital outputs (e.g., I2C or SPI), offering even more flexibility for data acquisition and control systems.
These sensors are commonly used in energy monitoring systems, overcurrent protection, industrial machinery, and renewable energy applications like solar panels. By helping track current levels, they ensure devices operate within safe limits, thus preventing damage due to overcurrent conditions. They are also useful in home automation systems for managing energy efficiency.
In summary, the Current Sensor 5A AC – 1 Phase is a reliable, accurate, and cost-effective tool for monitoring current in single-phase AC circuits, ensuring better energy management and equipment protection.
Features:
- Non-Contact Measurement: Many models offer a clamp-on design, allowing the current to be measured without physically contacting the conductor, enhancing safety and ease of use.
- Real-Time Monitoring: Provides live, real-time readings of the current, allowing for immediate detection of anomalies such as overloads or undercurrents in the circuit.
- Overcurrent Protection: Some sensors come with built-in protection to prevent damage to the sensor or the connected system in case the measured current exceeds the safe limit.
- Simple Integration: Easily integrates with microcontrollers (like Arduino or Raspberry Pi) and other monitoring systems, enabling quick setup and automation for energy monitoring and control.
- Galvanic Isolation (Hall Effect): Many models use Hall effect technology, offering electrical isolation between the sensor and the high-voltage side, reducing the risk of electrical shock or short circuits.
- Compact and Space-Efficient: Typically small in size, making it easy to install in tight spaces such as electrical panels or control cabinets.
- Wide Application Range: Can be used in various applications including energy meters, power supply monitoring, industrial equipment protection, and renewable energy systems like solar panel monitoring.
- Accurate Current Measurement: Delivers precise measurements of AC current, ensuring accurate power consumption readings, energy efficiency tracking, and system performance analysis.
- Cost-Effective: Provides an affordable solution for current monitoring, ideal for both DIY projects and industrial applications without breaking the budget.
- User-Friendly Output: Outputs a signal (typically analog or digital) that is easy to interpret, making it simple for users to incorporate into data logging, monitoring, or control systems.
- Durable and Long-Lasting: Designed to withstand harsh environments and ensure long-term reliability, especially in industrial and high-use applications.
- Versatile Output Options: Some models offer both analog and digital outputs, providing flexibility depending on the user’s needs and system requirements.
Specifications:
| Specification | Details |
|---|---|
| Current Measurement Range: | Up to 5 Amps AC (alternating current) |
| Voltage Range: | 0-250V AC (suitable for single-phase systems) |
| Output Type: | Analog Output: 0-5V, 4-20mA, or 0-10V |
| Digital Output:: | I2C, SPI, or PWM |
| Accuracy: | ±1% to ±2% of the reading |
| Frequency Range: | 50Hz to 60Hz (suitable for residential and commercial systems) |
| Power Supply: | 5V to 12V DC |
| Response Time: | Milliseconds for real-time monitoring |
| Operating Temperature: | -20°C to +70°C |
| Output Load: | Minimum 10kΩ impedance for analog output |
| Safety and Isolation: | Galvanic isolation via Hall Effect technology for safety |
| Dimensions: | 38 (mm) x18 (mm) x 21 (mm) |
| Mounting: | DIN rail, panel mount, or clip-on installation |
| Durability: | Resistant to dust, vibration, and moisture |
| Max Current Load: | 5A AC (exceeding this may cause damage) |
Integration with Arduino:
Applications:
- Energy Monitoring.
- Overcurrent Protection.
- Power Quality Monitoring.
- Solar Energy Systems.
- Industrial Equipment Monitoring.
- Home Automation Systems.
- Automated Control Systems.
- Power Consumption Analysis.
- Electric Vehicle Charging Stations.
- Battery Management Systems (BMS).
Package Included:
- 1x ZMCT103C Current Sensor 5A AC – 1 phase






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