China Wholesale Momentary Push Button Switch Normally Open Pricelist - DK4-AZ-004 – Tongda


China Wholesale Momentary Push Button Switch Normally Open Pricelist - DK4-AZ-004 – Tongda

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Using a total scientific good quality management process, superior high quality and excellent faith, we get great name and occupied this field for Heavy Duty Micro Switch , Normally Open Momentary Switch , Micro Switch Button , We welcome shoppers, enterprise associations and buddies from all areas of your environment to speak to us and request cooperation for mutual gains.
China Wholesale Momentary Push Button Switch Normally Open Pricelist - DK4-AZ-004 – Tongda Detail:

DK4-AZ-004

The defining characteristics of operation Operating Parameter Value Units
Free Position FP 15.9±0.2 mm
Operating Position OP 14.9±0.5 mm
Releasing Position RP 15.2±0.5 mm
Total travel Position 13.1 mm
Operating Force OF 0.25~4 N
Releasing Force RF N
Total travel Force TTF N
Pre Travel PT 0.5~1.6 mm
Over Travel OT 1.0Min mm
Movement Differential MD 0.4Max mm

Switch technical Characteristics

ITEM technical parameter Value
1 Contact  Resistance ≤30mΩ Initial value
2 Insulation Resistance ≥100MΩ500VDC
3 Dielectric Voltage between non-connected terminals 1000V/0.5mA/60S
between terminals and the metal frame 3000V/0.5mA/60S
4 Electrical Life ≥50000 cycles
5 Mechanical Life ≥1000000 cycles
6 Operating Temperature -25~125℃
7 Operating Frequency electrical:15 cycles
Mechanical:60 cycles
8 Vibration Proof Vibration Frequency:10~55HZ;
Amplitude:1.5mm;
Three directions:1H
9 Solder Ability: More than 80% of immersed part shall be covered with solder Soldering Temperature:235±5℃
Immersing Time:2~3S
10 Solder Heat Resistance Dip Soldering:260±5℃ 5±1S
Manual Soldering:300±5℃ 2~3S
11 Safety Approvals UL,CSA,VDE,ENEC,TUV,CE,KC,CQC
12 Test Conditions Ambient Temperature:20±5℃
Relative Humidity:65±5%RH
Air Pressure:86~106KPa

Switch application: widely used in various household appliances, electronic equipment, automation equipment, communication equipment, automotive electronics, power tools and other fields.


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China Wholesale Momentary Push Button Switch Normally Open Pricelist -
 DK4-AZ-004 – Tongda detail pictures


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In the past few years, our company absorbed and digested advanced technologies both at home and abroad. Meanwhile, our company staffs a team of experts devoted to the development of China Wholesale Momentary Push Button Switch Normally Open Pricelist - DK4-AZ-004 – Tongda , The product will supply to all over the world, such as: Naples , Birmingham , Jakarta , With the development and enlargement of mass clients abroad, now we've set up cooperative relationships with many major brands. We've our own factory and also have many reliable and well-cooperated factories in the field. Adhering to the "quality first, customer first, We are provideing high-quality, low-cost items and first-class service to customers. We sincerely hope to establish business relationship with customers from all over the world on the basis of quality, mutually benefit. We welcome OEM projects and designs.
  • The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.
    5 Stars By Karen from Switzerland - 2017.01.28 19:59
    In China, we have many partners, this company is the most satisfying to us, reliable quality and good credit, it is worth appreciation.
    5 Stars By Priscilla from Nepal - 2017.02.14 13:19
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