• KW4A(S) China Electronics Micro Switch 10t85
  • KW4A(S) China Electronics Micro Switch 10t85
  • KW4A(S) China Electronics Micro Switch 10t85
  • KW4A(S) China Electronics Micro Switch 10t85
  • KW4A(S) China Electronics Micro Switch 10t85
  • KW4A(S) China Electronics Micro Switch 10t85
  • KW4A(S) China Electronics Micro Switch 10t85
  • KW4A(S) China Electronics Micro Switch 10t85

KW4A(S) China Electronics Micro Switch 10t85


Model: KW4A(S) Micro Switch


Product introduction
Brand: DONGNAN
Chinese: DONGNAN Electronics
Model: KW4A(S)
Name: Micro switch
Features: small clearance, high sensitivity, micro-travel micro switch
Drive mechanism
Spring-type drive, long mechanical life, used in the working environment of low current frequency and tight conversion。







Company Profile

DONGNAN ELECTRONICS CO.,LTD established in 1987, with more than 30 years manufacturing experience in making switches. Mainly produce micro switches, water proof micro switches, power switches, gate control switches, rotary switches, voltage-selected switches etc. We are a national-level new and high-tech  switch manufacturing enterprise that has R&D, producing, marketing and after-sales service, and our switches are widely used in whole China and oversea countries. 
Dongnan Electronics

FAQ
Q1.What is your delivery method?

Express delivery/Forwarder, depends on customer’s requirement.

Q2.What is your monthly output?
Fifty million pcs.

Q3.Do you have stock?
Normally we don’t have stock, we produce to order.

Q4.How do you charge the sample shipping cost?
Normally samples be free, shipping cost on your side.

Q5.What is your minimum order quantity?
Normally MOQ is 2000pcs.

Q6.What the merits of KW4(S) micro switch?

Small gap, small travel and high sensitivity.

 
Technical Characteristics
Item Value
Operating speed 0.1mm-1m/s(Related with actuator forms)
Operating frequency  Mechanical 60 cycles/min; electrical 25 cycles/min
Insulation resistance ≥100mΩ(500VDC)
Contact resistance OF>0.5N:≤30mΩ(see note)
OF≤0.5N:≤50mΩ(see note)
(Test voltage) Between terminals of the same polarity AC1000V,50/60Hz,1min
(Test voltage) Between current-carrying metal parts and 
ground (case),and between each terminal and non-current-carrying metal parts
AC1500V,50/60Hz,1min
Vibration resistance 10-55Hz , 1.5mm Double amplitude
Shock resistance Destruction :OF>0.5N: 1000m/s2(approx.100G)max
         OF≤0.5N: 500m/s2(approx.50G)max
Malfunction :OF>0.5N: 300m/s2(approx.30G)max
         OF≤0.5N: 200m/s2(approx.20G)max
Life Mechanical ≥ 1,000,000 cycles
Electrical≥10,000 cycles
Weight Approx.1.6g(No lever)
Safety approvals UL ,CUL ,VDE, TUV,ENEC,  DEMKO, CE ,EK CQC

 

Recommend Products