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  • Small Push Button Switch S Series
  • Small Push Button Switch S Series
  • Small Push Button Switch S Series
  • Small Push Button Switch S Series

Small Push Button Switch S Series SB-221N/O

4.59 (17)
Package Qty.
Ship pack of
4.99 SGD
Shipped after 2018-05-28
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Item Feature
Dimensions A (mm)
Insulation Resistance
More than 200Mohm (DC500V)
Unipolar single throw
Functional Opreration
- OFF - (< > Is momentary)
Mechanical Opening and Closing Durability
50000 times or more
Installation ring (AT-506), operation control button (AT-414, AT412)
circular nut (AT-504), internal-tooth washer (AT-508), hexagonal nut (AT-527), phi13.2 round-head button black (AT-414)
Heat Resistant
In the case of using a soldering iron: Less than 350 degress within 3 seconds
Terminal Shape
Solder terminal
Number of Poles
Electrical Opening and Closing Durability
10000 times or more
Contact Resistance (mohm)
Less than ten (at DC2-4V 100mA)
The black button of AT-414 is pre-attached. Other operating units are sold separately.
Current Capacity (A)
Resistance load 3A 125V AC 1.5A 250V AC
Withstand Voltage
AC2.0kV more than 1 ( AC1.5kV more than 1 minute)
Customer Reviews
5 star 15
4 star 0
3 star 0
2 star 1
1 star 1
Review Rating: 4.59
17 Customer Reviews
The reviews are automatic translation.
For small compressor
From Japan
On 2018-04-06 12:25:36
I think that making and reliability as a product is solid, Push button switch normally pushed ON I thought that it was released off, I bought three pieces, Always ON It has come to be pushed OFF. This side is ON / OFF not just <> I would like to have it clearly marked.
This review is about item#34605277.
During repair and maintenance of equipment
From Japan
On 2018-02-09 16:59:32
We are satisfied with price and performance as a manufacturer product. You can use it with confidence.
This review is about item#38444095.
Machine start switch
From Japan
On 2018-01-31 15:10:57
I use it without any problems. We are expecting durability.
This review is about item#38444086.
Incorporated in operation circuit
From Japan
On 2018-01-13 21:22:30
I pull to remove the button for installation, but it is hard and can not be removed. The button broke as soon as I pull it all the way. If you look closely well, screw it in ... Is it serious? . For individual packaging, I wanted you to put the buttons in the disconnected state.
This review is about item#38443876.
Repair of measuring equipment
From Japan
On 2017-12-21 17:06:52
Being perfect in action, I got satisfactory results.
This review is about item#38444095.
For sub battery charge control.
From Japan
On 2017-10-13 15:08:58
Only for products of specialized manufacturers, always used with confidence. I do not hesitate to choose.
This review is about item#8600523.
Security switch for heavy machinery
From Japan
On 2017-10-02 16:02:29
It was used for wiring as a hidden switch for security of heavy equipment. It is useful.
This review is about item#8600523.
As navigation restart switch
From Japan
On 2017-04-24 16:17:45
Since I wanted to forcibly restart Navi only while driving, I bought this button because communication between navi and smartphone is interrupted until the next ride. Connection disappears when button is pushed and connected when you release your finger · · · ACC restart button.
This review is about item#34605277.
Tractor LED illumination light sw
From Japan
On 2017-03-12 19:25:19
Since SW last time melted and failed, it became possible to use it safely with ampere up and relay mounting.
This review is about item#75804233.
Electric wiring
From Japan
On 2016-07-29 17:40:16
There is no problem in quality because it is a maker item. It is more expensive than a trading company purchase, but it is saved because it can be purchased with a small number.
This review is about item#38444095.