1/4 HP AC Motors

Last Updated: January 31, 2025

Description

A 1/4 HP AC motor is a type of electric motor that converts electrical energy into mechanical energy to produce rotational movement. It is designed to deliver a quarter of a horsepower, which is a measure of the motor's power output. These motors are typically used in applications where moderate power is required.

Working Principle

AC motors operate by using alternating current to generate a rotating magnetic field. This field interacts with the rotor, causing it to turn and produce mechanical motion. The motor's speed is determined by the frequency of the AC power supply and the number of poles in the motor. AC motors are useful because they provide a reliable and efficient means of converting electrical energy into mechanical energy, making them suitable for a wide range of applications.

Applications

1/4 HP AC motors are commonly used in various applications, including small appliances, fans, and pumps. They are also found in conveyor systems and other machinery where moderate power is sufficient to perform the required tasks.

Advantages over other AC Motors

One advantage of 1/4 HP AC motors is their compact size, which makes them suitable for applications with limited space. They are also generally more cost-effective than larger motors, making them an economical choice for applications that do not require high power output.

Limitations

A limitation of 1/4 HP AC motors is their relatively low power output, which may not be sufficient for applications requiring higher torque or speed. Additionally, these motors may have less starting torque compared to other types of AC motors, which can be a disadvantage in applications that require starting under load.

Considerations

When selecting a 1/4 HP AC motor, it is important to consider factors such as initial cost, operating expenses, and maintenance requirements. These motors are generally affordable, but their operating efficiency and durability can vary based on the specific design and manufacturer. Maintenance costs should also be considered, as regular upkeep is necessary to ensure optimal performance and longevity.

31 Results
34R Series AC 3-Phase Inverter Duty Motor -- 2295
from Bodine Electric Company

Totally enclosed IP-20 rating. IP-44 with optional t-box kit installed. Fan cooled for high output power. Aluminum center ring and endshields for high thermal efficiency and light weight. Permanently lubricated, noise tested ball bearings. Locked bearing design minimizes shaft endplay. [See More]

  • Output Power: 1/4 HP
  • Phase: Three-phase
  • AC Voltage & Frequency: 208-230/240V 60Hz
  • Output Power: 0.2500
Y2 Series Motor
from Hangzhou Chinabase Machinery Co., Ltd.

Y2 series three-phase asynchronous electric motors, developed with new techniques, are energy-saving products in strict conformity to the IEC standard. Y2 series motors are defined as totally enclosed, fancooled, squirrel cage type and have such good features as novel design, beautiful modeling, low... [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP; 2 HP; 5 HP / 3.6 KW
  • AC Voltage & Frequency: 380 V
  • AC Construction: Induction
  • Phase: Three-phase
Housed AC Motor -- SolidPower™ SPP33P
from ElectroCraft

These 3.31 inch diameter motors (3.42 inch diameter over weld seam) are designed for continuous duty in a 40 °C ambient temperature. At nominal 1650 or 3450 rpm, ratings range from 1/60 to 1/4 HP. AC Type: Permanent Split Capacitor. Size: 3.3 inches. Power: to .25 HP [See More]

  • Output Power: 1/4 HP
  • Output Power: 0.2500
  • AC Voltage & Frequency: 220 Vac / 50 Hz; 120V/60Hz; International Voltages
  • Continuous Current: 2.4
BlackMAX AC Motor -- MTRY592
from Yaskawa America, Inc. - Drives Division

1/4 - 30 HP. BlackMAX inverter (Vector) duty motors offer 1000:1 constant torque (TENV). This three phase motor is designed for inverter or vector applications where up to 1000:1 constant torque speed range is required. Typical uses include: Material handling, machine tools, conveyors, crane and... [See More]

  • Output Power: 1/4 HP
  • Output Power: 0.2500
  • Phase: Three-phase
  • Continuous Current: 0.6000 to 1.2
34R6 Series AC 3-Phase Inverter Duty Motors Class 1 Division 1 -- 3263
from Bodine Electric Company

Motors meet NEC Class I/Division 1 (Groups C and D, Temp Code T3C and T4A) for use in hazardous location environments where ignitable concentrations of flammable gases, vapors or liquids are likely to exist under normal operating conditions; Explosion-Proof Motors are UL Listed for US and Canada. [See More]

  • Output Power: 1/4 HP
  • Phase: Three-phase
  • AC Voltage & Frequency: 208-230/240V 60Hz
  • Output Power: 0.2500
MicroMAX AC Motor -- MTRY500
from Yaskawa America, Inc. - Drives Division

1/8 - 10 HP; 1800 RPM. MicroMAX inverter (Vector) duty motors offer 1000:1 constant torque (TENV), 20:1 constant torque (TEFC) in a totally enclosed design. This three phase motor is designed for direct replacement of PMDC or any other variable speed applications where up to 1000:1 constant torque... [See More]

  • Output Power: 1/4 HP
  • Output Power: 0.2500
  • Phase: Three-phase
  • Continuous Current: 1
34R6-FX Series Parallel Shaft AC 3-Phase Inverter Duty Gearmotors Class 1 Division 1 -- 3220
from Bodine Electric Company

Gearmotors meet NEC Class I/Division 1 (Groups C and D, Temp Code T3C and T4A) for use in hazardous location environments where ignitable concentrations of flammable gases, vapors or liquids are likely to exist under normal operating conditions; Explosion-Proof Gearmotors; UL Listed for US and... [See More]

  • Output Power: 1/4 HP
  • Phase: Three-phase
  • AC Voltage & Frequency: 208-230/240V 60Hz
  • Output Power: 0.2500
42R Series AC Induction Motor -- 0263
from Bodine Electric Company

Totally enclosed IP-20 rating. Fan cooled for high output power. Aluminum center ring and end shields for high thermal efficiency and light weight. Permanently lubricated, noise tested ball bearings. Locked bearing design minimizes shaft endplay. [See More]

  • Output Power: 1/4 HP
  • AC Voltage & Frequency: 208-230/240V 60Hz
  • AC Construction: Induction
  • Phase: Three-phase
42R-5N Series AC Right Angle Gearmotor -- 0629
from Bodine Electric Company

Totally enclosed IP-20 rating. Fan cooled for high output power. Class "B" insulation system operated within Class "A" limits to prolong winding and lubricant life. Aluminum center ring and endshields for high thermal efficiency and light weight. Unvented gearhousing. Industrial lip type seals on... [See More]

  • Output Power: 1/4 HP
  • Phase: Three-phase
  • AC Voltage & Frequency: 208-230/240V 60Hz
  • Output Power: 0.2500
42R-GB Series AC Right Angle Gearmotor -- 5270
from Bodine Electric Company

Totally enclosed IP-20 rating. Fan cooled for high output power. Class "B" insulation system operated within Class "A" limits to prolong winding and lubricant life. Aluminum center ring and endshields for high thermal efficiency and light weight. Unvented gearhousing. Industrial lip type seals on... [See More]

  • Output Power: 1/4 HP
  • Phase: Three-phase
  • AC Voltage & Frequency: 208-230/240V 60Hz; 460/480V/60Hz
  • Output Power: 0.2500
42R6-5L/H Series AC PSC 3-Wire Right Angle Hollow Shaft Gearmotor - 3/4-Inch -- 1530
from Bodine Electric Company

Permanent Split Capacitor (PSC) single-phase Gearmotor, 3-wire-reversible winding. Capacitor is not included; order with motor if required. (45 µF / 250VAC ). Threaded mounting holes are located on both sides of gearhead. 3/4-inch hollow shaft with keyway. Optional shaft kits available. Totally... [See More]

  • Output Power: 1/4 HP
  • AC Motor Features: Reversible
  • AC Voltage & Frequency: 120V/60Hz
  • Output Power: 0.2500
Groschopp Planetary AC Gearmotors -- 85647
from Groschopp, Inc.

Low noise, long life. Groschopp AC Motors are constructed with class "H" insulation components allowing for running temperatures up to 180 degrees C. High-efficiency synthetic oil lubricant. Hardened output shaft. Ball and roller bearings. Multiple mounting positions. Rugged cast housing [See More]

  • Output Power: 1/4 HP
  • Phase: Three-phase
  • AC Voltage & Frequency: 208-230/240V 60Hz
  • AC Motor Features: Reversible (optional feature)
Single Phase Induction Motor
from Nidec Corporation

Can run on residential power. Robust, with comparatively simple structures, and can run on commercial or residential power. We offer a wide variety of models that can be used in equipment as dedicated motors in every field for both consumer and industrial use. [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP
  • AC Voltage & Frequency: 120V/60Hz; 208-230/240V 60Hz
  • AC Construction: Induction
  • Phase: Single-phase
4.4" Diameter AC Motors
from Fasco

The Fasco shaded pole and permanent split capacitors are offered in 1/20 to 1/4 HP. The 4.4" diameter motors are used in a variety of applications including compressors, room air conditioners, heating ventilating equipment and pumps. [See More]

  • Output Power: 1/4 HP
  • Phase: Single-phase
  • AC Voltage & Frequency: 120V/60Hz (optional feature); 208-230/240V 60Hz (optional feature)
  • Output Power: 0.0143 to 0.2500
Energy Efficient Motor -- Eon™ 42
from Genteq

The new Eon 42 motor is the latest in the Eon line of energy efficient motors. The Eon 42 is a more energy efficient solution for the standard PSC motor found in many fan coils and blower deck applications today saving up to 56% of the electricity consumed by the motor. This motor offers simple... [See More]

  • Output Power: 1/4 HP
  • Phase: Single-phase
  • AC Voltage & Frequency: 277 V; 120V/60Hz; 208-230/240V 60Hz; International Voltages
  • AC Motor Features: Reversible
120mm AC Induction Motor -- YSK120-120-6A
from Sinotech

Motors can be customized upon request. [See More]

  • Output Power: 1/4 HP
  • AC Voltage & Frequency: 208-230/240V 60Hz; International Voltages
  • AC Construction: Induction
  • Phase: Single-phase
AC Induction Motor -- 57-20-142
from ARC Systems, Inc.

ARC Systems, Inc. offers custom fabricated Induction motors ideal for various applications such as: Pump, Fans, Hydraulics, Machinery, Actuation Systems, Medical, Aerospace and Industrial. [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP
  • AC Voltage & Frequency: 208-230/240V 60Hz
  • AC Construction: Induction
  • Phase: Three-phase
External Rotor Motor -- MK106 Series
from Ziehl-Abegg Inc.

Specification: Ziehl-Abegg external rotor motors combine the advantages of compact and space saving construction with the proven drive concept of a wear-free squirrel cage motor. 9 frame sizes are available in an output range of 0.1 to 7 kW and 2 constructional designs for flange or axis fastening. [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP
  • Phase: Single-phase (optional feature); Three-phase (optional feature)
  • AC Voltage & Frequency: 400 V; 208-230/240V 60Hz (optional feature); International Voltages (optional feature)
  • Output Power: 0.1541 to 0.5964
Rotary Servo Motor -- MELSERVO-J4
from Mitsubishi Electric Automation, Inc.

MR-J4 family of products leverages cutting edge technology to provide a high functionality, high performance solution with the most flexible amplifier in the Mitsubishi Electric lineup. This family of products has been designed with the user experience, machine performance, and the environment in... [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP; 2 HP; 5 HP / 3.6 KW
  • Shaft Speed: 2000 to 3000
  • Output Power: 0.0670 to 29.48
  • Features: Brake (optional feature)
AC Motor ODP
from Boston Gear

Overview. Boston Gear offers a wide range of ODP (open drip proof) AC motors, including brake motors. These motors are offered in C-Face models for mounting to our enclosed gear drives, and they are available in 1/6 - 20 HP and cover voltage ranges from 115 VAC to 460 VAC. These motors are ideally... [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP; 2 HP; 5 HP / 3.6 KW
  • Output Power: 0.1667 to 20
  • AC Voltage & Frequency: 120V/60Hz; 208-230/240V 60Hz; 460/480V/60Hz
  • Units: English
1/4 HP Furnace Fan Motor -- 0753699
from Princess Auto Limited

1/4 HP Furnace Fan Motor [See More]

  • Output Power: 1/4 HP
  • Phase: Single-phase
  • AC Voltage & Frequency: 120V/60Hz
  • Output Power: 0.2500
KB Conical Rotor Brake Motors -- KBA 100 A 12/2
from Demag Cranes & Components

The Demag KB conical-rotor brake motor provides you with a brake motor that utilizes a unique operating principle: The brake is not separately controlled, but firmly connected to the rotor, i.e. integrated. This means that motor start-up and brake release as well as motor switch-off and brake... [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP; 2 HP
  • AC Voltage & Frequency: 208-230/240V 60Hz; 460/480V/60Hz; 575/600V/60Hz (optional feature); International Voltages (optional feature)
  • AC Construction: Induction
  • Phase: Three-phase
Groschopp Planetary AC Gearmotors -- 87252
from Groschopp, Inc.

Low noise, long life. Groschopp AC Motors are constructed with class "H" insulation components allowing for running temperatures up to 180 degrees C. High-efficiency synthetic oil lubricant. Hardened output shaft. Ball and roller bearings. Multiple mounting positions. Rugged cast housing [See More]

  • Output Power: 1/4 HP
  • Phase: Single-phase
  • AC Voltage & Frequency: 208-230/240V 60Hz
  • AC Motor Features: Reversible (optional feature)
Three-Phase Induction Motor
from Nidec Corporation

Widely used in industrial applications. Robust, with comparatively simple structures, and can run on industrial power. Our lineup features a wide-variety of motors from the standard series to the applied series to match with equipment in a wide variety of fields for industrial use. [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP; 2 HP; 5 HP / 3.6 KW
  • AC Voltage & Frequency: 2300V to 6999V; 120V/60Hz; 208-230/240V 60Hz; 460/480V/60Hz; 575/600V/60Hz
  • AC Construction: Induction
  • Phase: Three-phase
5.0" Diameter AC Motors
from Fasco

Fasco offers a wide variety of 5.0" diameter motors from single-speed models all the way up to five-speed, covering a range of horsepower from 1/80 HP to 3/4 HP and everything in between. [See More]

  • Output Power: 1/4 HP
  • Phase: Single-phase
  • AC Voltage & Frequency: 120V/60Hz (optional feature); 208-230/240V 60Hz (optional feature)
  • AC Motor Features: Reversible (optional feature)
High-efficiency, Fractional-Horsepower Outdoor Motor -- 142R
from Genteq

ECM 142R is the next generation of high-efficiency, fractional-horsepower outdoor motors. 142R is ideally suited to outdoor applications such as split system outdoor units, package units, or any other prop fan air-moving that requires a 1/5, 1/3, 1/2 or 3/4 horsepower, 300-1200 RPM motor. [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP
  • Output Power: 0.2000 to 0.7500
  • Commutation: Brushless
  • Shaft Speed: 300 to 1200
140mm AC Induction Motor -- YDK140-185-6A3
from Sinotech

Motors can be customized upon request. [See More]

  • Output Power: 1/4 HP
  • AC Voltage & Frequency: 208-230/240V 60Hz; International Voltages
  • AC Construction: Induction
  • Phase: Single-phase
AC Motor TEFC
from Boston Gear

Overview. Boston Gear offers a wide range TEFC (Totally Enclosed Fan Cooled) AC motors. These motors are offered in both C-Face for mounting to enclosed gear drives and in rigid base models. These NEMA design B motors are available from 1/6 - 75 HP and cover voltage ranges from 115 VAC to 575 VAC. [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP; 2 HP; 5 HP / 3.6 KW
  • Output Power: 0.1667 to 75
  • AC Voltage & Frequency: 120V/60Hz; 208-230/240V 60Hz; 460/480V/60Hz; 575/600V/60Hz
  • Units: English
Z Cylindrical Rotor Motors -- ZBA 63 B 8/2
from Demag Cranes & Components

Our Z cylindrical-rotor motors perform a wide variety of industrial drive tasks – reliably and effectively. They are suitable for a broad range of applications, offering outstanding performance: motor output up to 72 HP (45 kW). inverter-fed drives for travel applications, line-fed travel and... [See More]

  • Output Power: 1/4 HP
  • AC Voltage & Frequency: 208-230/240V 60Hz; 460/480V/60Hz; 575/600V/60Hz (optional feature); International Voltages (optional feature)
  • AC Construction: Induction
  • Phase: Three-phase
5.6 Diameter AC Motors
from Fasco

The Fasco 5.6" diameter Permanent Split Capacitor (PSC) Motors are general replacement direct drive blower motors that feature an open ventilated design, thermal protection, shielded ball bearings, reversible rotation, and are UL recognized and CSA certified. [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP
  • Phase: Single-phase (optional feature); Three-phase (optional feature)
  • AC Voltage & Frequency: 120V/60Hz (optional feature); 208-230/240V 60Hz (optional feature); 460/480V/60Hz (optional feature); 575/600V/60Hz (optional feature)
  • AC Motor Features: Reversible (optional feature)
AC Motor TENV
from Boston Gear

Overview. Boston Gear offers a wide range of TENV (totally enclosed, non-ventilated) AC motors that are ideal for environments where dirt or dust would contaminate a TEFC model motor. They are available in both C-face, for mounting on our enclosed gear drives, or in rigid base models. The NEMA... [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP; 2 HP; 5 HP / 3.6 KW
  • Output Power: 0.1667 to 10
  • AC Voltage & Frequency: 120V/60Hz; 208-230/240V 60Hz; 460/480V/60Hz; 575/600V/60Hz
  • Units: English