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 Detail:
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.
Product detail pictures:

Related Product Guide:
continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for China Wholesale Momentary Push Button Switch Normally Open Pricelist - DK4-AZ-004 – Tongda , The product will supply to all over the world, such as: Cannes , Algeria , Pretoria , With the goal of "zero defect". To care for the environment, and social returns, care employee social responsibility as own duty. We welcome friends from all over the world to visit and guide us so that we can achieve the win-win goal together.

We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!

Write your message here and send it to us