How does the working principle of a 3-phase induction motor differ from that of a single-phase induction motor?

The key difference between these two types of motors lies in the power supply they require. A single-phase induction motor operates on a single alternating current (AC) voltage source, while a 3-phase induction motor requires three separate AC voltage sources with a phase difference of 120 degrees between them. This difference in power supply affects the motor's starting torque, efficiency, and overall performance. 3-phase motors typically provide smoother and more reliable operation, making them suitable for industrial applications, whereas single-phase motors are often used in smaller appliances and machines.

Between the induction motor and the DC motor, which one is more suitable for variable-speed applications and why?

DC motors are generally more suitable for variable-speed applications because their speed can be easily controlled by adjusting the voltage supplied to them. This feature allows precise speed regulation, making DC motors ideal for applications like robotics and conveyor systems. On the other hand, induction motors, especially single-phase ones, are typically less suited for variable-speed control, as their speed is primarily determined by the frequency of the AC power supply.

How do gear heads contribute to the performance of motors?

Gear heads, also known as gearboxes, are often used in conjunction with motors to achieve specific speed and torque requirements. They allow motors to transmit power more efficiently by matching the motor's speed and torque characteristics to the needs of the application. Gear heads can increase output torque, reduce speed, and enhance precision in various automation processes.

Are there motors with adjustable speed or direction?

There are motors designed with adjustable speed and direction control. These motors often incorporate electronic speed controllers (ESCs) or variable frequency drives (VFDs) that allow for precise adjustment of motor speed and the ability to reverse direction. Such motors are commonly used in applications where flexibility and control are essential, such as in conveyor systems, robotics, and industrial machinery.

What are the typical applications of AC motors?

AC motors find widespread use in various applications, including fans, pumps, compressors, conveyor systems, HVAC (heating, ventilation, and air conditioning) units, and industrial machinery. Their versatility, reliability, and ability to operate on AC power grids make them essential in many automation and industrial processes.

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ESCO Small AC Motors

Small AC Motors products in the Automation Components category from ESCO. The product can be selected based on many product specifications such as Type, Motor Type, Power Supply, Voltage. ESCO offers products around 12 items and the product specifications can easily be compared. Search and select detailed specifications of parts for your machine with free CAD downloads. ESCO products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.

Configure

Specification/Dimensions

Type
- Motors
- Gear Head Only
- Motor Only
- Others
- Set
- Controller Only
- Motor group
Clear

Motor Type
Extra Low Speed Synchronous

Induction

Reaction Synchronous

Reversible

Speed Control

Torque
Clear

Rated Output(W)
1

3

3.5

5

5.5

6

6.5

9

10

14

15

20

22

25

30

35

40

60

60~90

90

100

150

200
Clear

Square Flange Dim. A(mm)
42

56.4

60

60X130

70

80

83

85

90

91.5

104

106.5

120
Clear

Power Supply
3-Phase

Single-Phase
Clear

Reduction Ratio
2

3

3～180

3.6

5

6

7.5

9

10

10 (Middle gearhead)

12.5

15

18

20

25

30

36

40

50

60

75

90

100

120

150

180

200

250

300

360

450

600

1200
Clear

Gear Head Type
- Not Provided
- Parallel Shaft
- Perpendicular Shaft
- Linear
Clear

Electromagnetic Brakes, Clutches
- Not Provided
- Electromagnetic Brakes
- Clutch
Clear

Environment
- Standard
- Waterproof
- Dust Resistant
- Explosion Proof
Clear

Voltage(V)
Single-Phase 110V

Single-Phase 110VAC

Three-Phase 200/220V

Single-Phase 220VAC

Single-Phase 220/230V

Single-Phase 220/230VAC

Three-Phase 380/415V
Clear

Voltage(V)
24

100

110

115

200

220

230

240

380

400

415
Clear

Brand	(3) (0) ESCO (12) ORIENTAL MOTOR (71) PANASONIC (3) SPG (11) SUMITOMO (8)
Filter By	All Sale Items
CAD	2D 3D

12 items

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: 30; 60; 90

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3-Phase Motor EA968BA-37A

ESCO

【Product Specifications】
・Mitsubishi Electric
・Totally-Enclosed Fan-Cooled Type ・Indoor Type
・Construction …Foot Installation (Horizontal )
・Voltage …200V
・Number Of Poles …4 positions
・Type …SF-PR
・Output …3.7kW
・Frame-Number …112M
・Power Transmission System …Direct connection ・Belt Hanging Sharing
・Heat-resistant Class …120(E)
・Weight …39kg

From: ฿ 51,539.00
Days to Ship: 13 Day(s)

13 Day(s)

Compare

Speed control motor

ESCO

[Features]Esco small AC motor speed control motor.

From: ฿ 7,473.39
Days to Ship: 6 Day(s)

6 Day(s)

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3-Phase Motor EA968BA-15A

ESCO

【Product Specifications】
・Mitsubishi Electric
・Totally-Enclosed Fan-Cooled Type ・Indoor Type
・Construction …Foot Installation (Horizontal )
・Voltage …200V
・Number Of Poles …4 positions
・Type …SF-PR
・Output …1.5kW
・Frame-Number …90L
・Power Transmission System …Direct connection ・Belt Hanging Sharing
・Heat-resistant Class …120(E)
・Weight …20kg

From: ฿ 48,102.00
Days to Ship: 20 Day(s)

20 Day(s)

Compare

3-Phase Motor EA968BA-22A

ESCO

【Product Specifications】
・Mitsubishi Electric
・Totally-Enclosed Fan-Cooled Type ・Indoor Type
・Construction …Foot Installation (Horizontal )
・Voltage …200V
・Number Of Poles …4 positions
・Type …SF-PR
・Output …2.2kW
・Frame-Number …100L
・Power Transmission System …Direct connection ・Belt Hanging Sharing
・Heat-resistant Class …120(E)
・Weight …29kg

From: ฿ 60,409.00
Days to Ship: 20 Day(s)

20 Day(s)

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3-Phase Motor EA968BB-37A

ESCO

【Product Specifications】
・Mitsubishi Electric
・Totally-Enclosed Fan-Cooled Type ・Outdoor Type
・Construction …Foot Installation (Horizontal )
・Voltage …200V
・Number Of Poles …4 positions
・Type …SF-PRO
・Output …3.7kW
・Frame-Number …112M
・Power Transmission System …Direct connection ・Belt Hanging Sharing
・Heat-resistant Class …120(E)
・Weight …39kg
・Protection System …IP44

From: ฿ 84,129.00
Days to Ship: 20 Day(s)

20 Day(s)

Compare

Induction motor

ESCO

[Features]·Esco small AC motor induction motor.

From: ฿ 3,175.36
Days to Ship: 5 Day(s)

5 Day(s)

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Until 31/03/2025

3-Phase Motor EA968BA-2

ESCO

【Product Specifications】
・Mitsubishi Electric
・Totally-enclosed fan-cooled type, indoor
・Structure-With mounting legs (horizontal type)
・Voltage-200V
・Number of poles-4 poles
・Power transmission type-Sharing between direct connection type and belt driven type
・Output…0.2kw
・Frame number…63M
・Model…SF-JR

From: ฿ 5,813.23
Special Price
Days to Ship: Same day

Same day

Compare

Until 31/03/2025

3-Phase Motor EA968BA-4

ESCO

From: ฿ 7,642.22
Special Price
Days to Ship: Same day

Same day

Compare

3-Phase Motor EA968BA-7A

ESCO

【Product Specifications】
・Mitsubishi Electric
・Totally-Enclosed Fan-Cooled Type ・Indoor Type
・Construction …Foot Installation (Horizontal )
・Voltage …200V
・Number Of Poles …4 positions
・Type …SF-PR
・Output …0.75kW
・Frame-Number …80M
・Power Transmission System …Direct connection ・Belt Hanging Sharing
・Heat-resistant Class …120(E)
・Weight …13kg

From: ฿ 36,005.00
Days to Ship: 20 Day(s)

20 Day(s)

Compare

3-Phase Motor EA968BB-15A

ESCO

【Product Specifications】
・Mitsubishi Electric
・Totally-Enclosed Fan-Cooled Type ・Outdoor Type
・Construction …Foot Installation (Horizontal )
・Voltage …200V
・Number Of Poles …4 positions
・Type …SF-PRO
・Output …1.5kW
・Frame-Number …90L
・Power Transmission System …Direct connection ・Belt Hanging Sharing
・Heat-resistant Class …120(E)
・Weight …20kg
・Protection System …IP44

From: ฿ 49,332.00
Days to Ship: 20 Day(s)

20 Day(s)

Compare

3-Phase Motor EA968BB-22A

ESCO

【Product Specifications】
・Mitsubishi Electric
・Totally-Enclosed Fan-Cooled Type ・Outdoor Type
・Construction …Foot Installation (Horizontal )
・Voltage …200V
・Number Of Poles …4 positions
・Type …SF-PRO
・Output …2.2kW
・Frame-Number …100L
・Power Transmission System …Direct connection ・Belt Hanging Sharing
・Heat-resistant Class …120(E)
・Weight …29kg
・Protection System …IP44

From: ฿ 61,247.00
Days to Ship: 20 Day(s)

20 Day(s)

Compare

3-Phase Motor EA968BB-7A

ESCO

【Product Specifications】
・Mitsubishi Electric
・Totally-Enclosed Fan-Cooled Type ・Outdoor Type
・Construction …Foot Installation (Horizontal )
・Voltage …200V
・Number Of Poles …4 positions
・Type …SF-PRO
・Output …0.75kW
・Frame-Number …80M
・Power Transmission System …Direct connection ・Belt Hanging Sharing
・Heat-resistant Class …120(E)
・Weight …13kg
・Protection System …IP44

From: ฿ 41,755.00
Days to Ship: 20 Day(s)

20 Day(s)


Brand
Product Series
From
Days to Ship
Type
Motor Type
Rated Output(W)
Square Flange Dim. A(mm)
Power Supply
Reduction Ratio
Gear Head Type
Electromagnetic Brakes, Clutches
Environment
Voltage(V)
Voltage(V)

	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare
Brand	ESCO	ESCO	ESCO	ESCO	ESCO	ESCO	ESCO	ESCO	ESCO	ESCO	ESCO	ESCO
Product Series	3-Phase Motor EA968BA-37A	Speed control motor	3-Phase Motor EA968BA-15A	3-Phase Motor EA968BA-22A	3-Phase Motor EA968BB-37A	Induction motor	3-Phase Motor EA968BA-2	3-Phase Motor EA968BA-4	3-Phase Motor EA968BA-7A	3-Phase Motor EA968BB-15A	3-Phase Motor EA968BB-22A	3-Phase Motor EA968BB-7A
From	฿ 51,539.00	฿ 7,473.39	฿ 48,102.00	฿ 60,409.00	฿ 84,129.00	฿ 3,175.36	฿ 5,813.23 Special Price On Sale Until 31/03/2025	฿ 7,642.22 Special Price On Sale Until 31/03/2025	฿ 36,005.00	฿ 49,332.00	฿ 61,247.00	฿ 41,755.00
Days to Ship	13 Day(s)	6 Day(s)	20 Day(s)	20 Day(s)	20 Day(s)	5 Day(s)	Same day	Same day	20 Day(s)	20 Day(s)	20 Day(s)	20 Day(s)
Type	-	Set	-	-	-	Motor group	-	-	-	-	-	-
Motor Type	-	Speed Control	-	-	-	Induction	-	-	-	-	-	-
Rated Output(W)	-	-	-	-	-	-	-	-	-	-	-	-
Square Flange Dim. A(mm)	-	-	-	-	-	-	-	-	-	-	-	-
Power Supply	-	Single-Phase	-	-	-	Single-Phase	-	-	-	-	-	-
Reduction Ratio	-	-	-	-	-	-	-	-	-	-	-	-
Gear Head Type	-	-	-	-	-	-	-	-	-	-	-	-
Electromagnetic Brakes, Clutches	-	-	-	-	-	-	-	-	-	-	-	-
Environment	-	-	-	-	-	-	-	-	-	-	-	-
Voltage(V)	-	-	-	-	-	-	-	-	-	-	-	-
Voltage(V)	-	100	-	-	-	200	-	-	-	-	-	-

Application example related to this category

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Related Categories to Small AC Motors

- Small AC Motors

FAQ AC Motors

Question: How does the working principle of a 3-phase induction motor differ from that of a single-phase induction motor?: Answer: The key difference between these two types of motors lies in the power supply they require. A single-phase induction motor operates on a single alternating current (AC) voltage source, while a 3-phase induction motor requires three separate AC voltage sources with a phase difference of 120 degrees between them. This difference in power supply affects the motor's starting torque, efficiency, and overall performance. 3-phase motors typically provide smoother and more reliable operation, making them suitable for industrial applications, whereas single-phase motors are often used in smaller appliances and machines.
Question: Between the induction motor and the DC motor, which one is more suitable for variable-speed applications and why?: Answer: DC motors are generally more suitable for variable-speed applications because their speed can be easily controlled by adjusting the voltage supplied to them. This feature allows precise speed regulation, making DC motors ideal for applications like robotics and conveyor systems. On the other hand, induction motors, especially single-phase ones, are typically less suited for variable-speed control, as their speed is primarily determined by the frequency of the AC power supply.
Question: How do gear heads contribute to the performance of motors?: Answer: Gear heads, also known as gearboxes, are often used in conjunction with motors to achieve specific speed and torque requirements. They allow motors to transmit power more efficiently by matching the motor's speed and torque characteristics to the needs of the application. Gear heads can increase output torque, reduce speed, and enhance precision in various automation processes.
Question: Are there motors with adjustable speed or direction?: Answer: There are motors designed with adjustable speed and direction control. These motors often incorporate electronic speed controllers (ESCs) or variable frequency drives (VFDs) that allow for precise adjustment of motor speed and the ability to reverse direction. Such motors are commonly used in applications where flexibility and control are essential, such as in conveyor systems, robotics, and industrial machinery.
Question: What are the typical applications of AC motors?: Answer: AC motors find widespread use in various applications, including fans, pumps, compressors, conveyor systems, HVAC (heating, ventilation, and air conditioning) units, and industrial machinery. Their versatility, reliability, and ability to operate on AC power grids make them essential in many automation and industrial processes.