ZMCT103C 5A AC Current Transformer Sensor Module – 1000:1 Micro CT
VAT inclusive; Computed calculations added locally.
Overview
The ZMCT103C 5A AC Current Transformer Sensor Module is a compact PCB-mounted current transformer designed for AC current monitoring and measurement. With a 1000:1 turns ratio and a rated input current of 5A, it can be integrated into DIY electronics projects, energy-monitoring systems, and embedded measurement applications.
This micro current transformer provides electrical isolation between the primary AC circuit and the low-voltage measurement side. Its compact PCB design makes it convenient for use with microcontrollers and development platforms such as Arduino, ESP8266, and Raspberry Pi when combined with an appropriate signal-conditioning and ADC circuit.
With epoxy resin encapsulation and a stated operating temperature range suitable for a variety of environments, the ZMCT103C is a practical choice for AC current sensing, power monitoring, electrical instrumentation, and electronics prototyping.
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Product Technical Information
Technical Details
The ZMCT103C 5A AC Current Transformer Sensor is a small PCB-mounted transformer intended for AC current measurement and monitoring. It uses transformer-based sensing to provide electrical isolation between the primary AC circuit and the secondary measurement circuit.
Key Features
- Rated input current of 5A AC
- Rated output current of 5mA
- 1000:1 transformer turns ratio
- Compact PCB-mounted design
- Provides galvanic isolation for AC current sensing
- Suitable for Arduino, ESP8266, Raspberry Pi, and other embedded platforms with suitable signal conditioning
- Epoxy resin sealed construction
- Suitable for electronics prototyping and current-monitoring systems
- Stated linear range of 0–10A with a 100Ω load
Applications
The ZMCT103C can be used in a variety of AC measurement and monitoring projects, including:
- AC power monitoring systems
- Energy measurement and electrical instrumentation
- Arduino and ESP-based current monitoring
- Embedded AC load monitoring
- DIY electronics and automation projects
- Industrial electrical monitoring applications
- Educational electronics experiments
- Power consumption measurement systems
Important Notes
A current transformer must be used correctly with an appropriate secondary-side load/burden arrangement. Do not treat the transformer output as a conventional voltage source. When working with mains electricity, ensure proper insulation, isolation, enclosure, fusing, and electrical safety practices. The stated measurement range and accuracy can depend on the surrounding circuit and load conditions.
Package Includes
- 1 × ZMCT103C 5A Range Single Phase AC Micro Current Transformer Sensor
Frequently Asked Questions
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