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Permanent Magnet Motor

Ultra-High Efficiency — IE4 / IE5 Class

The Highest Efficiency Motor Available

Permanent Magnet Motors (PMM) achieve efficiency levels of IE4/IE5 class — the highest efficiency tiers globally recognized. By eliminating rotor copper losses entirely, PMMs deliver significant energy savings over conventional induction motors across all operating loads.

✓IE4 / IE5 efficiency class — highest available globally
✓Significant energy savings vs conventional induction motors
✓Zero rotor copper losses for exceptional thermal performance
✓High power factor — reduces reactive power demand
✓Compact, lightweight design for easy retrofit
✓Ideal for variable speed drive (VSD) applications
✓Minimal maintenance — no brush contacts or slip rings
✓Available from 0.75 kW to 500 kW power range

Efficiency Comparison

Motor Class	Efficiency (Full Load)	Rotor Losses	Recommended For
IE2 — Standard	~88–91%	High	Legacy applications
IE3 — Premium	~91–94%	Medium	General industry
IE4 — Super Premium (PMM)	~95–97%	Very Low	Energy-intensive drives
IE5 — Ultra Premium (PMM)	~97–98%+	Near Zero	Critical energy savings

Technical Specifications

IE4/IE5

Efficiency Class

0.75–500kW

Power Range

IP55/IP65

IP Rating

F/H

Insulation Class

415/690V

Voltage

50/60Hz

Frequency

Applications

🏭

Cooling Tower Drives

Replace conventional motors on cooling tower fans for immediate energy savings.

💧

Pump Drives

Ideal for centrifugal pumps in HVAC, water treatment and process cooling.

❄️

Compressors

Refrigeration and air compressor drives benefit from the high efficiency profile.

🔄

Conveyor Systems

Variable load conveyor applications with high starting torque requirements.

💨

HVAC Fans

AHU, FCU and supply/return air fans across commercial and industrial HVAC.

🌬️

Industrial Blowers

High-efficiency blower drives for process ventilation and dust extraction.

Energy Savings Example

A 22 kW standard IE2 motor vs a 22 kW PMM (IE4) running at 8,000 hours/year at ₹8/unit saves approximately ₹1.8 Lakhs per year in electricity costs — paying back the upgrade cost within 2–3 years.

Upgrade to Permanent Magnet Motors Today

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