Line Reactors for DC Rail


The primary purpose of a Line Reactor is to introduce a specific amount of inductive reactance into a circuit. When a line reactor introduces inductive reactance into a circuit, in affect it is limiting the current in the line which in turn filter the waveform and attenuates electrical noise and harmonics associated with an inverter / drive output. Line Reactors are mounted underneath the Rapid Transit car.  In rail systems that use DC current and have pantographs, line reactors are a necessity to smooth out current.  Swiger Coil is an expert in remanufacturing these pieces of equipment.

Line Reactor, Line Reactors

The Swiger Coil Difference

Swiger Coil manufactures new line reactors or we expertly rebuild ones that have been in service for many years. We install new coils wound with 200 degree enamel wire and insulated with class “F” or better materials. We always install new hardware and insulation and  we VPI & bake in a Polyester resin at Swiger. Line Reactors are built and tested to OEM standards. Line Reactor Repair



Swiger Coil Systems has over 20 years of experience manufacturing these units.  Trust your remanufacture of line reactors to Swiger.


Contact Swiger Coil

Swiger Coil is committed to providing the best customer service and products.  Contact us today for more information about our products or services and what they can do for your business.

Dave Mann
Director of Traction and Transit Motors
Cell: 216.533.8656
Fax: 216.362.1496

David McLean
Traction Motor Sales Manager
216.362.7500 (Ext. 253)
Cell: 216.386.7555
Fax: 216.362.1496

reactor coils    reactor coils
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