Kw4a High Sensitive Travel Switch Transfer Type Normally Open and Normally Closed

• Customization: Available
• Pressing Type: Push-Button
• Number of Switch: Multi Control Switch
• Model NO.: Kw4a
• Protection: Dust-Proof
• Size: Small-Sized
• Environment: ≧250℃﹤400℃
• Breaking Capacity: High-Current
• Certification: ISO9001, CE
• Mechanical Life: 1,000,000 Cycles
• Electrical Life: 10,000 Cycles
• Weight: Approx.1.6g(No Lever)
• Safety Approvals: UL cUL TUV VDE ENEC Demko CE Ek CQC
• Transport Package: Carton
• Specification: 485*270*230
• Trademark: DONGNAN
• Origin: China Yueqing
• HS Code: 8536500000
• Production Capacity: 2000000

Product Description

Internal configuration drawing

 

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.

Product show

 

Technical characterictics

 

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/s^2(approx.100G)max                      OF≤0.5N: 500m/s^2(approx.50G)max Malfunction : OF>0.5N: 300m/s^2(approx.30G)max                       OF≤0.5N: 200m/s^2(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

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. 

    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. 

Company information

 

Exhibition

 

Certifications

 

FAQ

 

Q1.How do you charge the sample shipping cost?
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.