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Slip Ring Motors (LV)

Range 2.2 kW to 450 kW

CG offers a range of Low Voltage Slip Ring electric motors with outputs from 2.2 kW to 450 kW, available in both Totally Enclosed Fan Cooled (TEFC, IP55) and Drip Proof (IP23) constructions. These motors feature a newly designed Slip Ring and brush gear system, ensuring reliable performance and extended brush life.

High Torque Slip Ring Motors for Heavy-Duty Applications

CG offers a range of Low Voltage Slip Ring electric motors with outputs from 2.2 kW to 450 kW, available in both Totally Enclosed Fan Cooled (TEFC, IP55) and Drip Proof (IP23) constructions. These motors feature a newly designed Slip Ring and brush gear system, ensuring reliable performance and extended brush life. The Slip Rings are moulded using epoxy-based insulation, providing excellent thermal stability and strong anti-tracking properties for consistent operation even at high temperatures.

Slip Ring Motors (LV) specifications
SpecificationValue
Range2.2 kW to 450 kW
Frame SizesIEC 132 to 450 (Cast Iron Construction)
Mounting OptionsFoot / Flange / Face
Pole Options4 to 8 poles (others available upon request)
Frequency50 Hz or 60 Hz
Voltage415V, other on request
Ambient Temperature-20°C to +50°C (others available upon request)

Ranges indicative — final selection per application and manufacturer datasheet.

Features

  • Starting Torque: High starting torque capability, making them suitable for heavy load starting conditions.
  • Speed Control: Easy and smooth speed control by varying the rotor resistance externally through slip rings.
  • Construction: Stator similar to squirrel cage motors with 3-phase winding. A rotor is a wound rotor with three-phase winding connected to external slip rings.
  • Starting Current: Lower starting current compared to squirrel cage motors, reducing stress on the electrical supply.
  • Robust and Durable: Sturdy design suitable for harsh industrial environments.
  • Applications: Ideal for applications requiring high starting torque and adjustable speed, such as cranes, hoists, elevators, conveyors, and mills.
  • Thermal Protection: Can be equipped with thermal overload protection for safe operation.
  • Starting Methods: Compatible with external resistors to improve performance.

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