Kw4a
Push-Button
Multi Control Switch
Dust-Proof
Small-Sized
≧250℃﹤400℃
High-Current
Dongnan
ISO9001, CE
1,000,000 Cycles
10,000 Cycles
Approx.1.6g(No Lever)
UL cUL TUV ENEC Demko CE Ek CQC
DONGNAN
Carton
485*270*230
China Yueqing
8536500000
Product Description

Safe, reliable miniature switch
Nice appearance,tight contiguration.Characteristic:small contact gap, quick action, high sensitivity and small operating travel.
Long life, high reliability
A variety of contact terminals
A variety of temperature degree
A variety of levers
Adopt thermosetting plastic or thermoplastic
Widely used in home appliance, electronic equipment,automatic machine, communication equipment,
car electron,apparatus and instument etc.


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 |

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.
At present, we set up many offices and warehouses in the production area which home appliances are concentrated, to build the fastest technical service and logistics distribution system.




Normally samples be free, shipping cost on your side.
Q2.What is your monthly output?
Fifty million pcs.
Q3.Do you have patent for micro switch?
Yes, we have patent for micro switch.
Q4.How many employees does your factory have?
We have 790 employees.
Q5.Can you provide a good price and good quality for your micro switch?
Our switch quality is guaranteed, the price is the factory price, no middlemen.