Features:
1. robust metal housing
2. Easy mounting , and simple parameters arrangement
3. Multi-functions are applicable to most of occasions
4. Many methods specially designed for soft start of heavy s load.

Parameters:
Main voltage range D type:220-690VAC
Main current range D type
Controlling voltage:
Starting time
Stop time
Initial time
Current-controlled times
Other functions: save energy, kick start, shut off huge current