Slip Ring Induction Motor – High-Torque Industrial AC Motor
A Slip Ring Induction Motor is a specialized AC motor designed for applications requiring high starting torque, smooth acceleration, and adjustable speed control. Unlike squirrel cage motors, it uses a wound rotor connected to external resistances through slip rings, allowing fine-tuning of torque and speed during startup. This makes it ideal for heavy-duty machinery, high-inertia loads, and industrial processes that demand controlled motor performance. Slip Ring Induction Motors are robust, reliable, and built to operate under demanding conditions.
- Description
Description
Product Range / Variants
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Low-Voltage Slip Ring Motors
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Medium Voltage Slip Ring Motors
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High-Torque Slip Ring Motors
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Flame-Proof/Explosion-Proof Slip Ring Motors
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Foot-Mounted & Flange-Mounted Models
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Custom Duty Motors for Mills & Heavy Equipment
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Variable Resistance Control Models
Key Features
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High starting torque suitable for heavy loads
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Smooth speed control through external resistances
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Handles high inertia applications efficiently
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Rugged construction for harsh environments
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Reduced mechanical stress during startup
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Better control over current surges
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Long operational life with proper maintenance
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Suitable for continuous industrial operation
Technical Specifications (Typical / Estimated)
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Voltage: 415V (LV) / 3.3kV, 6.6kV (MV)
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Frequency: 50 Hz / 60 Hz
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Power Range: 2.2 kW to 5000 kW
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Speed: 500 RPM / 750 RPM / 1000 RPM / 1500 RPM
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Efficiency Class: IE1 / IE2
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Frame Size: 132 to 1000
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Protection Class: IP44 / IP55 / IP65
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Cooling Type: IC411, IC611, IC616
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Insulation Class: Class F/H
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Rotor Type: Wound rotor with slip rings
Applications
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Cranes & hoists
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Conveyors
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Crushers & mills
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Mixers & agitators
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Rolling mills
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Pumping systems with high inertia
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Cement, steel & mining industries
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Heavy machinery requiring controlled starts
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Industrial compressors and fans
Benefits
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Excellent starting torque for heavy-duty applications
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Smooth acceleration without electrical stress
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Customizable speed and torque control
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Suitable for large, high-inertia loads
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Enhances equipment lifespan by reducing mechanical shock
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Reliable and durable for industrial environments
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Ideal for applications where squirrel cage motors are insufficient
Material Grades/Build Options
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Stator: High-grade silicon steel laminations
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Rotor: Copper-wound rotor with slip rings
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Body: Cast iron or fabricated steel housing
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Insulation: Class F/H thermal-resistant windings
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Bearings: Heavy-duty roller or ball bearings
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Slip Rings: Copper alloy with graphite brushes
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Cooling: TEFC / air-cooled / forced-cooled designs
WE OFFER
Adkrons Exims – Where Innovation Meets Industrial Strength
Adkrons Exims is a leading supplier of world-class industrial equipment, safety solutions, electrical components, and engineered fabrication products. Our focus remains on delivering precision, durability, and consistent performance to help industries operate safely and efficiently. From workshops to large manufacturing units, we are committed to providing reliable products and unmatched customer support.
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