100 HP Electric Motors (100 Horsepower Industrial Motors)
100 HP electric motors are built for heavy-industrial operations that demand continuous high-torque output and uncompromising reliability.
Commonly used in aggregate processing, manufacturing plants, refineries, and large pumping systems, these motors deliver power, efficiency, and mechanical durability in the most demanding conditions.
Available in ODP, TEFC, and Explosion-Proof (TEXP) enclosures, every 100 horsepower motor meets or exceeds NEMA and CSA/UL standards, ensuring long-term performance in industrial environments.
What Does a 100 HP Motor Offer?
A 100 horsepower motor delivers roughly 74.6 kilowatts of mechanical power — enough to drive large industrial machinery or process systems continuously under load.
Typical NEMA frame sizes 405T–444T include reinforced bearings, oversized shafts, and efficient cooling channels for steady operation under heat and stress.
✅ Key features:
Premium-efficiency design (NEMA Premium® compliant)
1800 or 3600 RPM speeds
230/460 V or 575 V 3-phase configurations
Choice of ODP, TEFC, or Explosion-Proof enclosures
Precision-balanced rotor for low vibration and quiet operation
Enclosure Options — ODP, TEFC & TEXP
Each 100 HP model is available in all three enclosure styles to suit environmental and safety requirements.
100 HP Motor Specifications
Specification Typical Range / Option
Horsepower 100 HP
Frame Size 405T–444T
Speed (RPM) 1800 / 3600
Voltage Options 230/460 V or 575 V (3-Phase)
Frequency 60 Hz
Service Factor 1.15 (Standard)
Efficiency Premium Efficiency
Enclosure Types ODP, TEFC, TEXP
Mounting Foot, C-Face, D-Flange, Vertical
Frame Material Cast Iron, Stainless Steel, Fabricated Steel
Each motor is tested for vibration, temperature rise, and electrical integrity to guarantee reliable continuous duty.
Common Applications for 100 HP Motors
The 100 HP range is a workhorse category for industrial plants and processing facilities. Typical uses include:
Centrifugal and booster pumps
Compressors and vacuum systems
Crushers, grinders, and aggregate equipment
Conveyors and material handling systems
Fans and industrial ventilation units
Mixers and agitators
Manufacturing and refining operations
When power and uptime are critical, 100 HP motors provide the torque and efficiency required for around-the-clock performance.
Frame Materials and Construction
Cast Iron – Rugged and stable for high-vibration environments.
Stainless Steel – Corrosion-resistant for washdown or chemical facilities.
Fabricated Steel – Lightweight and customizable for OEM designs.
All frames are precision-machined for shaft alignment and thermal balance, ensuring long-term operating integrity.
Mounting and Voltage Options
Mounting Styles:
Foot Mount (Base Mount)
C-Face Mount
D-Flange Mount
Vertical Mount
Footless / Rigid Base
Voltage Options:
208 V, 230 V, 460 V, 575 V (3-Phase)
Dual-rated 230/460 V models
Fully compatible with VFD and soft-starter systems
This versatility simplifies integration with existing equipment and electrical infrastructure.
Request a Quote or Spec Sheet
Need a 100 HP motor for your plant or OEM project?
Our team can help you specify the right model for voltage, enclosure, frame, and mounting requirements.
Request a Quote or Request Spec Sheet for availability, pricing, and lead times on 100 HP electric motors from Brook Crompton, US Electric, and Worldwide Electric.
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