High-Reliability Single-Phase AC Shaded Pole Motors
Delco Fans Pvt. Ltd. manufactures precision-engineered AC shaded pole electric motors tailored for continuous-duty, low-starting-torque applications. With over five decades of in-house manufacturing experience in Thane, India, our shaded pole motors are widely specified by global OEMs for their brushless simplicity, ultra-quiet operation, and long service life.
Designed for Quiet, Continuous Duty
Delco AC shaded pole motors feature a self-starting single-phase AC design utilizing copper shading rings around part of each pole piece to generate a rotating magnetic field. Built with high-grade silicon steel laminations and precision-machined copper windings, these motors deliver consistent rotational performance with minimal electrical noise and electromagnetic interference (EMI).
- Robust, Brushless Mechanical Construction
- Ultra-Low Acoustic Noise & Minimal Vibration
- Maintenance-Free Bearings (Sleeve / Ball Options)
- High Thermal Efficiency & Inherent Impedance Protection
- Compact Footprint Fits Tight Equipment Enclosures
- Engineered for 24/7 Sustained Duty Cycles
Technical Specifications & Range Overview
Our standard and customized AC shaded pole motor range covers a versatile operational spectrum suitable for worldwide mains power standards:
| Parameter | Standard Specification | Customizable OEM Range |
|---|---|---|
| Operating Voltage | 230V AC / 110V AC | 100V AC – 240V AC (50 / 60 Hz) |
| Pole Configuration | 2-Pole / 4-Pole | 2-Pole to 6-Pole options |
| Output Power Range | 1W to 25W Output | Tailored stack length for specific wattage |
| Nominal Speed | 1300 RPM – 2800 RPM | Speed matched to load curve |
| Bearing Type | Sintered Bronze Sleeve Bearings | Precision Sealed Ball Bearings |
| Insulation Class | Class B (130°C) | Class F (155°C) / Class H (180°C) |
| Shaft Profile | Standard Threaded or Plain Shaft | D-Cut, Threaded, Flattened, Splined |
| Thermal Protection | Impedance Protected | Thermal Cutout Switch (Auto-Reset) |
Tailored OEM Customization Capabilities
Delco Fans collaborates directly with original equipment manufacturers to deliver tailored motor designs that fit seamlessly into client production lines without requiring machine redesigns:
- Custom Shaft Extensions: Shaft diameters, thread pitch, length tolerances, flat cuts, and keyways manufactured to exact customer CAD files.
- Voltage & Frequency Adaptability: Dual-voltage windings (110V/230V 50/60Hz) configured for export equipment destination requirements.
- Mounting Arrangements: Stud mounting, bracket plates, resilient rings, and face-mounting studs customized per mechanical housing.
- Environmental Coatings: Tropicalized varnish treatments and moisture-resistant insulation for high-humidity or corrosive operating environments.
Primary Industrial & Equipment Applications
Delco AC shaded pole motors are specified globally across numerous commercial and industrial sectors:
HVAC & Commercial Refrigeration
Evaporator unit coolers, display case fans, condenser air circulation, and motorized airflow dampers.
Medical & Laboratory Devices
Laboratory stirrers, medical cabinet ventilation, sterilizer exhaust, and diagnostic air samplers.
Appliance & Dispensing Systems
Commercial oven exhaust, vending machine drives, humidity control units, and convection blowers.
Enclosure & Cabinet Cooling
Electrical control panel ventilation fans, telecom equipment cooling, and small equipment exhaust fans.
Quality Assurance & Manufacturing Discipline
Every Delco AC shaded pole motor undergoes rigorous quality inspections at our ISO-aligned facility in Thane, India. Standard testing protocols include 100% routine no-load current checks, insulation breakdown (Hi-Pot) verification, dynamic rotor balancing, thermal rise evaluation under simulated duty cycles, and acoustic testing.
Frequently Asked Questions
Discuss Your OEM Shaded Pole Motor Requirements
Provide your voltage, speed, torque, shaft, and duty cycle parameters to get a custom engineering solution.