150 HP Electric Motors (150 Horsepower Industrial Motors)
150 HP electric motors deliver serious power for heavy-industrial and processing applications that operate under constant load.
From aggregate plants and refineries to large pumping systems, conveyors, and crushers, these motors provide the torque, efficiency, and mechanical strength required for mission-critical operations.
Offered in ODP, TEFC, and Explosion-Proof (TEXP) enclosures, every 150 horsepower model meets or exceeds NEMA Premium® efficiency, ensuring consistent output, reliability, and compliance with CSA and UL industrial standards.
What Does a 150 HP Motor Offer?
A 150 horsepower motor produces about 111.8 kilowatts of mechanical power — enough to drive large industrial equipment continuously.
Typical NEMA frame sizes 445T–447T feature high-capacity bearings, thick-wall housings, and optimized cooling channels for sustained high-load operation.
✅ Key features:
Premium-efficiency design for reduced energy use
1800 or 3600 RPM speeds available
230/460 V or 575 V 3-phase configurations
ODP, TEFC, or Explosion-Proof enclosures
Low-vibration, precision-balanced rotors for extended life
Enclosure Options — ODP, TEFC & TEXP
Each 150 HP motor can be configured with the proper enclosure to match both environmental safety and performance requirements.
150 HP Motor Specifications
Specification Typical Range / Option
Horsepower 150 HP
Frame Size 445T–447T
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 (NEMA Premium®)
Enclosure Types ODP, TEFC, TEXP
Mounting Foot, C-Face, D-Flange, Vertical
Frame Material Cast Iron, Stainless Steel, Fabricated Steel
All units undergo balance and insulation testing to ensure performance in continuous-duty service.
Common Applications for 150 HP Motors
A 150 HP motor is built for large-scale industrial and municipal systems where uptime is non-negotiable:
Pumps and compressors
Crushers and grinders
Conveyors and heavy process equipment
Fans, blowers, and air-handling systems
Material-handling machinery
Mixers, agitators, and refiners
Mining and aggregate operations
These motors combine power density, efficiency, and mechanical endurance to minimize downtime and energy costs.
Frame Materials and Construction
Cast Iron – High structural integrity and vibration resistance.
Stainless Steel – Corrosion-resistant for food, chemical, or washdown settings.
Fabricated Steel – Lightweight, customizable, and ideal for OEM equipment.
Every frame is precision-machined to NEMA MG 1 standards for alignment accuracy and superior heat dissipation.
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
Compatible with VFDs and soft-starters
This flexibility ensures smooth integration into existing drive systems and plant layouts.
Request a Quote or Spec Sheet
Looking for a 150 HP electric motor for your next industrial project?
Our specialists can match your enclosure, voltage, frame size, and mounting requirements precisely.
Request a Quote or Request Spec Sheet for availability, pricing, and lead times on 30 HP electric motors from Brook Crompton, US Electric, and Worldwide Electric.
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