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.

(!) Since support from Microsoft will end on January 14 2020, Windows 7 user might not be able to use MISUMI website effectively. Please consider to update your system as ‘MISUMI Website system requirement’.

MiSUMi

Webcode Seach | Series: #CODE

Keyword suggestions

Part number suggestions

Discontinued Products

Quote/ Order

แจ้งวันหยุดทำการในเดือน กรกฎาคมและสิงหาคม 2567 | Notice holiday in July and August 2024 > คลิก

How can we improve?

* This form is only for feedback/comment on our website and service Feedback

Name (Optional)

E-mail Address (Optional)

Tel (Optional)

Your feedback is essential for our continuous improvement

Thank you for your cooperation.

Your feedback is essential for our continuous improvement.

SUMITOMO Small AC Motors（Type：Gear Head Only）

SUMITOMO offers products Small AC Motors specified by Type Gear Head Only from Automation Components product category. There are a total of 4 items. Search and select detailed specifications of parts for your machine with free CAD downloads. SUMITOMO 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	(2) (0) ESCO (0) ORIENTAL MOTOR (16) PANASONIC (1) SPG (6) SUMITOMO (4)
CAD	2D 3D

4 items

Sort By

: 30; 60; 90

Compare

Astero Gear Motor, Gear Head

SUMITOMO

- ASTERO gearhead from MISUMI.
- Wide Variety of Products Gearheads are available with 24 different gear ratios from 1:3 to 1:200.
- Applicable for 6 motor sizes, size 6 (flange 60 mm, 6W), size 7 (flange 70 mm, 15W), size 8 (flange 80 mm, 25W), size 9A (flange90 mm, 40 W), 9B (flange 90 mm, 60/90 W), and 9C (flange 90 mm, 60/90 W).
- The motor and gear head are detachable for easier handling.
- The gear heads have the same main mating dimensions (corner dimensions / output shaft location and dimensions / mounting holes) for right angle shafts type.

From: ฿ 3,366.67
Days to Ship: Same day

Same day

Compare

Astero Gear Motor, Middle Gear Head

SUMITOMO

- Astero Gear Motor, intermediate Gear Head, G series from SUMITOMO.
- Can be added to gear heads when a motor speed with a reduction ratio of bigger than 200 is needed.
- When an intermediate gear head is used, the speed reduction ratio is 10 times the gear head reduction ratio.
- A lineup that includes 5 variations of frame size, 6, 7, 8, 9A and 9B. Applicable for 6W to 90 W motor capacity.

From: ฿ 5,133.33
Days to Ship: Same day

Same day

Compare

Orthogonal Gearhead

SUMITOMO

- Orthogonal Gearhead, R8Y50 / R9BY25 type from SUMITOMO.
- Wide Variety of Products Gearheads are available with 18 different gear ratios from 1:5 to 1:240.
- Applicable for 3 motor sizes, size 8 (flange 80 mm, 25W), size 9A (flange90 mm, 40 W), and 9B (flange90 mm, 60/90 W)
- The motor and gear head are detachable for easier handling.
- The gear heads have the same main mating dimensions (corner dimensions / output shaft location and dimensions / mounting holes) for right angle shafts type.

From: ฿ 7,150.00
Days to Ship: Quote

Quote

Compare

Gearhead for Astero Gear Motor, Induction Motor

SUMITOMO

Structure with motor and gearhead that are easy to use. Customer can independently and freely assemble the gearhead.

From: ฿ 5,217.00
Days to Ship: Quote

Quote


Brand
Product Series
CAD
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
Brand	SUMITOMO	SUMITOMO	SUMITOMO	SUMITOMO
Product Series	Astero Gear Motor, Gear Head	Astero Gear Motor, Middle Gear Head	Orthogonal Gearhead	Gearhead for Astero Gear Motor, Induction Motor
CAD			2D
From	฿ 3,366.67	฿ 5,133.33	฿ 7,150.00	฿ 5,217.00
Days to Ship	Same day	Same day	Quote	Quote
Type	Gear Head Only	Gear Head Only	Gear Head Only	Gear Head Only
Motor Type	-	-	-	-
Rated Output(W)	25 ～ 90	25 ～ 90	25 ～ 90	60 ～ 90
Square Flange Dim. A(mm)	80 ～ 90	80 ～ 90	80 ～ 90	90
Power Supply	-	-	-	-
Reduction Ratio	5 ～ 180	10	25 ～ 50	9
Gear Head Type	Parallel Shaft	Parallel Shaft	Not Provided	Not Provided
Electromagnetic Brakes, Clutches	-	-	-	-
Environment	-	-	-	-
Voltage(V)	-	-	-	-
Voltage(V)	-	-	-	-

Application example related to this category

back next

Related Categories to 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.