Drum Controller - Heavy Gauge Copper Contacts, Large Diameter Insulation, Renewable Copper Tips | Designed For Crane Motion Control And Slipring Motors

Owing to our years of industry experience and market understanding, we are leading Manufacturer & Supplier of Drum Controller in Barrackpore, West Bengal, India. 'ES' Drum Controllers are designed for controlling the various motions of cranes of all types. They are also suitable for controlling Slipring motors in other classes of machinery. The drum is of large diameter giving generous wearing surface increased arcing distance between the segments tips. The drum contacts are of heavy gauge hard drawn copper, screwed to the cast iron drum with counter sunk head screws. Exact location of the contacts at each steps is ensured by the provision of a ratchet wheel engaging on adjustable spring loaded pawl lever fitted with roller. The square drum shaft is provided with square bakelite tube to insulate the drum castings.

The main contact fingers are of hinged pattern rigidly clamped to the bakelite insulated steel square bar each finger is fitted with renewable hard drawn half round copper tip. The fingers enlarge with the rotary drum under, helical spring pressure. The laminated copper shunts carry the current from the fingers to the terminal bases.Substantial arc shields on all main contacts are provided. The whole arc shield assembly can be removed for inspection of contacts may damaged section of the arc shield can be very easily replaced.