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$3.78 - $4.54
Min. Order : 10 Pieces

QN28-A3 28mm Ring Type Momentary|Latching Flat Head Pin terminal Waterproof big face push button switch

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Quick Details

Port: Ningbo&Shanghai
Payment Terms: T/T,paypal
Supply Ability: 100000 Piece/Pieces per Month
Protection Level: IP67
LED color: Red.yellow.green.white.blue.orange
Place of Origin: Zhejiang China
pin type: terminal pin
Material: stainless steel / nickel plated brass/aluminum
Model Number: QN28-A3
Brand Name: QN
Model No.: QN28-A3
Operation type: Momentary/Latching
Max. Voltage: 250v
mounting hole size: 28mm
Max. Current: 5a
Package: 16PCS/BOX
LED voltage: 3V 6V 12V 24V 36V 48V 110V 220V
Packaging Detail: Packaging Details:16 PCS/BOX Express : DHL TNT FEDEX UPS ... Lead Time : 7days We put the metal button switches in a foam box to protect them.
Package Preview: https://sc04.alicdn.com/kf/HTB1OVKPa8Gw3KVjSZFw762Q2FXaV.png_640x640.png
Zhejiang Qiannian Electronic Co., Ltd.
Manufacturer, Trading Company
Response Time
On-time delivery rate
US$ 20,000+
R&D staffs
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Product parameters


       title:QN28-A3 28mm Ring Type  Momentary|Latching Flat Head Pin terminal Waterproof metal push button switch


       They are widely used in household appliances, electric force,telecommunications,machine tool,vessel,textile,printing,Mining machine,Mustic Instrument, etc.



Product brand QIANNIAN
Product name Button switch
Product model QN28-A3
Product information Mounting hole 28mm
Operation types Momentary|Latching
Head shape Flat Head, Pin terminal, Ring Type
Enclosure material Stainless Steel
Degree of protection IP67 IK10
Contact parameters Switch rating 5A/250VAC
Contact configuration 1NO1NC|2NO2NC
Contact Silver alloy,Pin terminal
Color/voltage Optional color  R   O   Y   G   B   W 
Optional voltage 6V 12V 24V 110V 220V
Other parameters Mechanical life 50,000cyles
Electrical life 50,000cyles
LED life 40,000hour
Terminal Type Pin Terminal(2.8X0.5)
Contact resistance ≤50mΩ
Insylation resistance ≥1000mΩ
Dielectric Strength 2000VAC
Operation Temperature -20℃~+55℃
Panel thickness 1~10mm
nut torque 5~14Nm
Opration pressure About3~5N
Operation stroke About2.5mm
Base PA66
Packages 16PCS/BOX
Website http://qndz.en.alibaba.com
Official website http://www.qnele.com
Product size
Product detail


Product features

1.Appearance material

Brass Nickel Plated

Stainless Steel

Plating Color

2.Electric material

Copper plating and silver contact,

better conductivity.

3.Installation accessories

Waterproof ring protection

Hexagonal nut fixed

IP Waterproof

4.Connection mode

Welding terminal

Wiring connector

5.Waterproof properties

Waterproof test,

Excellent waterproof


Lighting effect
Manufacturer of power

               Yueqing Qian Nian Electronic Co.,Ltd was founded in 2001,a technology company which is 

specialized in designing and manufacturing varies types of push button switch,our company  is committed

to well-known brands of companies both at home and abroad to provide  first-class products and enterprises

supporting services .Company currently employs more than 160 people ,including R&D personnel and mold

production staff more than 30 people.Leading products are :Metal waterproof push button switch , metal

waterproof pilot lamp ,anti-blast switch ,and accessories.Our product are widely used in various types of

console, control box(cabinet),distribution box (cabinet),instrumentation box(cabinet),electrical apparatus,

and other industrial automation device etc.

Applicable occasions
  1.Car modification   2.Battery car modification   3.Computer modified  
  4.Car modification   5.Battery car modification   6.Computer modified  
Qualification certificate
Product packaging
Payment method

1.Free sample


2.DHL,UPS,TNT,Fedex,Aramex and forwarder are accept 


3.Produce and purchase all connector to satify your request


4.Accept T/T in advance, Paypal, Western Union and Escrow


5.Most product not have MOQ,orders for just one piece are welcome


6.Actual drawing,picture and part No. will assist to get a competitive price soon


7.The stock goods will be delivered within 3days,and the customized goods will be delivered within 7days

Why choose us

Why choose us?

Good quality, competitive price, fast delivery .

If you have any questions,please contact with us! 

Our Services

1.Provide free samples

2.Accept ODM/OEM

3.We can do CO, Form E F ect.

4.Terms of trade:EXW,FOB,CIF,CPT ect.

Contact us