Product characteristics
1. Strong electric protection circuit, to prevent field bus misconnection AC220V + 20% cause product damage.
2. Use resettable action mode and special tools to reset.
3. It has automatic switching function and automatic switching mode.
4. Using high-performance keys and unique action mechanism, it has high reliability, stability and consistency.
5. Ultra-low power design.
6. Wear protective cover to prevent misoperation.
