ZMPT101B AC Voltage Sensor Module

ZMPT101B Precision Active AC Mains Voltage Transformer Module

Equipped with a high-accuracy ZMPT101B micro-transformer and an onboard operational amplifier circuit, this module safely isolates and samples 110V-250V AC mains lines. It outputs an attenuated, phase-accurate analog sine wave suitable for microcontroller ADC pins.

Specifications

• Input Voltage: 0 to 250V AC (single-phase mains power lines)
• Isolation: 4000V dielectric breakdown voltage between primary and secondary
• Output Signal: Analog sinusoidal wave centered at VCC/2 (3.3V / 5V ADC compatible)
• Trimmer: Multi-turn potentiometer for output gain calibration
• Operating Voltage: 5.0V DC for onboard op-amp circuitry
• Applications: Smart energy meters, solar inverters, grid voltage monitors