The applications are innumerable like starting of slip ring Induction motor / Voltage dropping Resistor / Dynamic Braking Resistor for DC Motors / Traction Duty Resistors for Railways etc.,
Data required for design : Resistance value, Discharge / Braking Duration/ Current vs. Time curve, Insulation Voltage, Degree of Protection, Duty Cycle / Duty Factor
Standard followed : BS587
Resistive Element : Stainless steel / Fecral
Application : Starting slip Ring Induction motor in Cranes / Pumps / Winches etc
Why National Switchgears?
National Switchgears was founded with very purpose of manufacturing high quality resistor for various industrial and research applications in India.
We serve the best work
We are the first company to export NGR from India. Almost all leading consultants in India and well known consulting firms in abroad have approved our NGR.