The main component of this product is a combined voltage‑current sensor. The sensor can simultaneously output sampling signals of zero‑sequence voltage, phase current and zero‑sequence current. It features low power consumption, high accuracy, and integrates measurement, metering and protection functions, externally mounted on the circuit breaker main body.

2、Electronic Transformer Combination Mode

3、Digital Transformer Combination Mode

01 Electromagnetic Current Transformer 

02 Zero‑sequence Voltage Sensor

03 Dual‑winding Electromagnetic Voltage Transformer

Electronic Transformer Combination Mode

01 Electronic Current Transformer

02 Electronic Voltage Transformer

03 Single‑winding Electromagnetic Voltage Transformer

Digital Transformer Combination Mode

01 Electronic Current Transformer

02 Electronic Voltage Transformer

03 Single‑winding Electromagnetic Voltage Transformer