1. Simple and compact structure, steady performance.
2. Easy to install and high efficiency.
3. Overload, low voltage protective device.
4. Pendent control and remote control.
5. Easy maintenance.
6. Preventing hook clashing the top, set shields and barriers.
7. Circuit self-test protection device, running the travel limit to protect the current lacking of any phase.
7. Circuit self-test protection device, running the travel limit to protect the current lacking of any phase.