The Bakelite Housing Of The Contractor Has A Very High Degree Of Insulation. Current Carrying Contacts Are Of Silver Alloy And Hence Have A Long Electrical Life. Auxiliary Contacts Are Provided For Control And Interlocking Purposes. Laminated 'E' Stampings Are Used For The Magnet Construction And The Coils Are Designed For Long Life And Can Withstand Wide Voltage Variations. Sample Availability : Yes