We are Whole selling and Distributing wide array of IER210 Ring Main Unit Protection Relay in Nanjing, Jiangsu, China. IER210 protection relay mainly applied in ring main unit, offers protection, measuring,monitoring ,control and communication.
Features:
High reliability and availability
High output accuracy
EMC technique
Compatible with both 50Hz and 60Hz power supply network
Compact size for movability

Friendly user interface
Pure and stable Sine wave output
Variable frequency and voltage
Better overload capacity
More safty protections 

Adjustable portable testing variable frequency ac power source 

Advantage:

1) Small, light and high efficiency.
2) High frequency pulse current output .
3) Flexible use, simple operation.
4) Complete protection function.