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IDEC Push Buttons（Contact Configuration：3a）

IDEC offers products Push Buttons specified by Contact Configuration 3a from Electrical & Controls product category. There are a total of 9 items. Parts and equipment for controlling machines and electrical systems. Controllers and power supplies. IDEC products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.

Configure

Specification/Dimensions

Mounting Hole
- Ø6
- Ø8
- Ø10
- Ø12
- Ø16
- Ø22
- Ø25
- Ø30
- Square Hole
- Other
Clear

Shape
- Round
- Square
- Elongated
- Mushroom shape
- Other
Images

Clear

Type
- Illuminated emergency stop
- Non-illumination type emergency stop
- Illumination push-button
- Non-illumination type push-button
- Other
Clear

Push button operation
- Momentary
- Alternate
- Push to lock/turn to reset
- Other
- Pin lock (on-lock type)
Clear

Button color
- Red
- Blue
- Green
- Yellow
- White
- Black
- Amber
- Other
- Pure yellow
- Pure White
Clear

Contact Configuration
- 1a
- 1b
- 2a
- 2b
- 3a
- 3b
- 1c
- 2c
- 4b
- 1a2b
- 4a
Clear

Terminal shape
- Solder terminal
- Screw terminal
- PC terminal
- Insertion Terminal
- Solder terminal/tab terminal
- Other
Clear

Guard included
- Available
- NA
Clear

Dimension depth(mm)
7.5

7.8

10.8

12.25

13.5

13.8

14

14.5

16.5

17.5

20.4

20.5

21.5

22

22.5

24.3

25.5

26.8

28.6

30.1

30.6

31.1

31.6

32.6

33

33.8

34.1

35.5

36.5

36.9

37

37.9

38

38.3

39

39.5

40

40.1

40.5

41

42.4

42.5

43.4

45

45.1

46

47.1

48

49.8

50.4

50.5

52 mm

52.2

52.5

52.7

52.9

53

53.5

54

54.1

54.4

54.5

54.7 mm

55

56

56.3

56.5

56.6

56.9

57

57 mm

57.5

57.6

58

58.4

58.5

58.6

58.7

58.8

59

59.4

59.5

59.7

60

60.1

60.2

60.4

60.9

61 mm

61.5

62

62.4

62.5

63.9

64

64.4

64.5

64.8

65

65.1

65.4

66

66.1

67

67.1

67.4

67.5

67.6

67.7 mm

67.9

68.4

68.5

68.8

68.9

69

69.4

69.5

69.8

70

70.5

71

71.9

72

72.4

72.6

72.7

72.9

73

74

74.2 mm

74.4

74.5

74.5 mm

75

75.9

76

76.7

77

77.3

77.9

78

78.5

78.7

79

79.4

79.5

79.5 mm

79.7

79.9

80

80.9

81

81.3

81.5

82

82.4

82.5

83.5

84

84.5

85

85.5

86

86.5

87

87.4

87.9

88.4

88.8

88.9

89

89.4

90

90.5

91

91.5

91.9

92

92.4

92.5

92.6

92.9

93

94

94.4

95

95.9

97

97.3

97.9

98

98.5

99.4

99.5

99.7

100

101

101 mm

101.3

101.5

102

102.4

102.5

102.7

103

104

104.5

105

106.5

107

107.5

107.9

108

108.4

108.5

109.4

109.5

110

111.9

112

112.4

112.5

112.6

112.7

113

114

114.2

114.5

116

117.9

118

118.5

119

119.5

119.7

120

120.5

121.5

122

122.5

122.7

124

126

128

128.5

129

129.5

132.5

132.7
Clear

Protection function (environmentally resistant)
- Available
- NA
Clear

Representative Standard
- PSE
- CE
- UL
- CUL
- TUV
- CCC
- CSA
Clear

Dimension width(mm)
3.

8.9

9

11

12

13

13.8

14

15.2

16

17.8

18

20

22

23.5

23.8

24

24 mm

25

25.8

26.5

27

28

28.5

29

29.4

29.5

29.8

30

30 mm

31.2

32

33

33.5

34

34.7

35

36

39

39.5

40

41

42 mm

44.5

45

46

47

48

49

50

53

60

60.2

65

74

75

84

95
Clear

Dimension vertical(mm)
- 8.9～9.63
  - 8.9
  - 9
  - 9.63
- 10.2～18.6
  - 10.2
  - 11.7
  - 12
  - 12.3
  - 12.7
  - 13
  - 13.2
  - 13.8
  - 14
  - 15.8
  - 16
  - 17.5
  - 17.8
  - 18
  - 18 mm
  - 18.6
- 20～29
  - 20
  - 21.3
  - 22
  - 22.5
  - 23.5
  - 23.8
  - 24
  - 25
  - 25.8
  - 27
  - 28
  - 28.5
  - 29
- 30～38.5
  - 30
  - 30 mm
  - 32
  - 32.5
  - 35
  - 36
  - 37
  - 38.5
- 40～48
  - 40
  - 41
  - 41.4
  - 42
  - 42 mm
  - 43
  - 44
  - 44.5
  - 45
  - 46
  - 46.5
  - 47
  - 47 mm
  - 47.6
  - 48
- 50～54.8
  - 50
  - 52
  - 53
  - 54.8
- 60～65
  - 60
  - 65
- 70～75
  - 70
  - 74
  - 75
- 86
- 91
- 100
Clear

Brand	(0) (0) ABB (0) DECA (0) ESCO (0) FUJI ELECTRIC (6) IDEC (9) MARUYASU DENGYO (0) NKK SWITCHES (0) OMRON (2) PATLITE (KASUGA) (0) RS Pro (0) Schneider Electric (0) TEND (0)
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9 items

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: 30; 60; 90

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Until 31/03/2025

ø22 TW Series Control Unit

IDEC

[Features]
· HeavyType integrated model for environmental ruggedness.
· SS connectors used for finger protection.
· Greatly reduces wiring work on round crimp terminals.
· IP65 protective construction (IEC60529).
· Main types have UL/CSA certification and conform to EN standard

From: ฿ 648.34
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

ø30 TWN Series Push-Button Switch

IDEC

ø30 illuminated push-button switch.
[Features]
・ Highly reliable and wide variations
・ Heavy duty type with excellent environmental resistance
・ Silver contact 10 A IP65

From: ฿ 1,100.00
Special Price
Days to Ship: 61 Day(s)

61 Day(s)

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Until 31/03/2025

ø30 Series Control Unit Ⅱ

IDEC

Extensive variations of heavy-duty type with high reliability and protection against harsh environment. Ⅱ

From: ฿ 83.34
Special Price
Days to Ship: 98 Day(s)

98 Day(s)

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Until 31/03/2025

ø22 HW Series Control Unit Ⅱ

IDEC

Push Buttons ø22 HW Series Control Unit Ⅱ
Push buttons are used to control an electronic device or electrical circuit.They offer a wide variety of type to choose from.
[Feature]
● Push Button Shape: Round and Square
● Contact Configuration : 1a, 1b, 2a, 2b, 3a, 3b and 4b
● Push Button Operation : Momentary and Maintained
● Button Color : Blue, Green, Yellow, White and Amber
[Application]
They are commonly used in a variety of applications such as machinery and electronic equipment.

From: ฿ 100.00
Special Price
Days to Ship: Quote

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Until 31/03/2025

ø25 TWS Series Control Unit Ⅱ

IDEC

ø25 series heavy-duty type specifically designed to ensure safety and protection against harsh environment. SS terminals are equipped with finger protection structure. Ⅱ

From: ฿ 100.00
Special Price
Days to Ship: Quote

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Until 31/03/2025

ø22 CW Series Control Unit

IDEC

Push Buttons ø22 CW Series Control Unit
Push buttons are used to control an electronic device or electrical circuit.They offer a wide variety of type to choose from.
[Feature]
● Contact Configuration : 1a, 1b, 2a, 2b, 3a and 3b
● Push Button Operation : Momentary and Maintained
● Button Color : Red, Blue, Green, Yellow, White and Amber
[Application]
They are commonly used in a variety of applications such as machinery and electronic equipment.

From: ฿ 583.00
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

ø22 TW Series Control Unit Ⅱ

IDEC

Push Buttons ø22 TW Series Control Unit Ⅱ
Push buttons are used to control an electronic device or electrical circuit.They offer a wide variety of type to choose from.
[Feature]
● Push Button Shape: Round and Square
● Contact Configuration : 1a, 1b, 2a, 2b, 3a, 3b and 4b
● Push Button Operation : Momentary, Maintained and Push to lock/turn to reset
● Button Color : Blue, Green, Yellow, White and Amber
[Application]
They are commonly used in a variety of applications such as machinery and electronic equipment.

From: ฿ 100.00
Special Price
Days to Ship: Quote

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Until 31/03/2025

ø30 Die-Cast Zinc Series Control Unit Ⅱ

IDEC

Ideal for applications which requires high-strength mounting to the panel, machine to be exported to North America, etc.

From: ฿ 100.00
Special Price
Days to Ship: Quote

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Until 31/03/2025

ø22 CW Series Control Unit Ⅱ

IDEC

Stylish metallic colors are available for the bezel. Product lineup also contains key selector switches type.

From: ฿ 583.00
Special Price
Days to Ship: Quote

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Brand
Product Series
From
Days to Ship
Mounting Hole
Shape
Type
Push button operation
Button color
Contact Configuration
Terminal shape
Guard included
Dimension depth(mm)
Protection function (environmentally resistant)
Representative Standard
Dimension width(mm)
Dimension vertical(mm)

	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 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 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 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 Until 31/03/2025
Brand	IDEC	IDEC	IDEC	IDEC	IDEC	IDEC	IDEC	IDEC	IDEC
Product Series	ø22 TW Series Control Unit	ø30 TWN Series Push-Button Switch	ø30 Series Control Unit Ⅱ	ø22 HW Series Control Unit Ⅱ	ø25 TWS Series Control Unit Ⅱ	ø22 CW Series Control Unit	ø22 TW Series Control Unit Ⅱ	ø30 Die-Cast Zinc Series Control Unit Ⅱ	ø22 CW Series Control Unit Ⅱ
From	฿ 648.34 Special Price On Sale Until 31/03/2025	฿ 1,100.00 Special Price On Sale Until 31/03/2025	฿ 83.34 Special Price On Sale Until 31/03/2025	฿ 100.00 Special Price On Sale Until 31/03/2025	฿ 100.00 Special Price On Sale Until 31/03/2025	฿ 583.00 Special Price On Sale Until 31/03/2025	฿ 100.00 Special Price On Sale Until 31/03/2025	฿ 100.00 Special Price On Sale Until 31/03/2025	฿ 583.00 Special Price On Sale Until 31/03/2025
Days to Ship	Same day	61 Day(s)	98 Day(s)	Quote	Quote	Same day	Quote	Quote	Quote
Mounting Hole	Ø22	Ø30	Ø30	Ø22	Ø25	Ø22	Ø22	Ø30	Ø22
Shape	Round	Round	Round	Round / Square	Round	Round	Round / Square	Round	Round
Type	-	Non-illumination type push-button	-	-	-	Non-illumination type push-button	-	-	-
Push button operation	Momentary	Momentary / Alternate	Momentary / Alternate / Push to lock/turn to reset / Other	Momentary / Alternate	Momentary / Alternate	Momentary	Momentary / Alternate / Push to lock/turn to reset	Momentary / Push to lock/turn to reset	Momentary
Button color	-	Red / Green / Black	Green / Yellow / White / Black	Blue / Green / Yellow / Black / Amber	Green / Yellow / White / Black	Red / Blue / Green / Yellow / White / Black	Green / Yellow / White / Black	Yellow	Yellow
Contact Configuration	3a	3a	3a	3a	3a	3a	3a	3a	3a
Terminal shape	Screw terminal	Screw terminal	Screw terminal	Screw terminal	Screw terminal	Screw terminal	Screw terminal	Screw terminal	Screw terminal
Guard included	Available	NA	NA	NA	NA	NA	NA	NA	NA
Dimension depth(mm)	88.9	74.4	78 ～ 114.5	82.4 ～ 112.5	72.7 ～ 112.4	42.4 ～ 45.1	82.4 ～ 122	85 ～ 100	42.4
Protection function (environmentally resistant)	Available	Available	Available	Available	Available	Available	Available	Available	-
Representative Standard	CE / UL / TUV / CCC / CSA	CE / UL / TUV / CCC / CSA	CE / UL / CCC / CSA	CE / UL / TUV / CCC / CSA	CE / UL / TUV / CCC / CSA	CE / UL / CUL / CCC / CSA	CE / UL / TUV / CCC / CSA	CE / UL / CCC / CSA	CE / UL / CUL / TUV / CCC / CSA
Dimension width(mm)	30	39	40 ～ 75	29.4	34 ～ 35	30	30 ～ 46	40	3.
Dimension vertical(mm)	41.4	41.4	40 ～ 75	41.4	41.4	41.4	37 ～ 46	40	41.4

Related Categories to Push Buttons

FAQ Push Buttons

Question: What are the characteristics of push buttons used in electrical circuits?

Answer: Push buttons used in electrical circuits should be small, compact, easy to install, and have good fire resistance. They should also be able to withstand moisture and other environmental conditions well, depending on the environment in which the machine is installed. In addition, they should have a fast response, which can be considered from the material used in the production of the contacts of the push button. The push button should also be manufactured according to international industrial standards.

Question: How do push button switches integrate with industrial control systems?

Answer: In industrial control systems, push buttons act as crucial input interfaces, bridging human commands to automated processes, for example:
1.Direct control: Wired directly to controllers, button presses trigger immediate actions – starting motors, stopping conveyors, or initiating emergency shutdowns.
2.Logic integration: Buttons feed data into PLCs, influencing complex control sequences based on their programmed functions within the larger system.

Question: What distinguishes a push-pull switch from a standard push button?

Answer: This table summarizes the key differences between push switches and push-pull switches

Feature	Push Button Switch	Push-Pull Switch
Functionality	Momentary action: Makes or breaks the circuit temporarily when pressed.	Dual action: Can be operated by both pushing and pulling, often serving two different functions.
Typical Usage	Used for applications requiring a momentary connection, such as turning on a location of the base while the button is held down.	Commonly used when a switch needs to control two functions, with pushing and pulling corresponding to different actions (e.g., on/off).
Activation Type	Activated by pressing the button or switch.	Activated by both pushing and pulling the actuator.
Return to Rest State	Returns to the original state (off) when the button is released.	May have different actions for pushing and pulling, and returns to the original state accordingly.
Examples	Doorbell buttons,momentary control switches.	Headlight switches in automobiles, power control in some lighting fixtures

Question: What factors should be considered when selecting push buttons for machinery?

Answer: 1. Application Requirements: Identify the specific function the push button that appropriate for the machine for example momentary or maintained.
2. Environmental Conditions: Consider the environmental conditions in which the machinery operates (e.g., indoor, outdoor, wet, dusty).
3. Voltage and Current Ratings: Ensure that the push button is rated for the voltage and current levels of the machinery it will control.
4. Size and Mounting Options: Select push buttons of an appropriate size for the machinery control panel. Consider the mounting options
5. Compliance with Standards: Check whether the push buttons comply with relevant industry standards and regulations, especially those related to safety.
6. Maintenance and Replacement: Evaluate the ease of maintenance and replacement of push buttons. Quick and straightforward replacement can minimize downtime.

Question: How do waterproof push button switches benefit industrial applications?

Answer: Waterproof push buttons for machinery in industrial settings are offering numerous benefits:
1. Safety : They shield sensitive electronics from spills, splashes, and cleaning, preventing short circuits and safeguarding operators.
2. Durable : These buttons have long lifespan and reducing maintenance peroid.
3. Reliable : Industrial processes demand unwavering control. Waterproof buttons minimize moisture-induced malfunctions, ensuring smooth operation in production.
4. Hygiene : In critical environments like food and pharma indrustrials, waterproof buttons let you clean with confidence, preventing contamination and upholding strict hygiene standards.