Winwon Chips Winwon Chips

Home Appliances Medical Equipments Traffic Tools Micro Switch

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Product Description

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Basic Product Information

Model NO.
KW4A
Protection
Dust-Proof
Size
Small-Sized
Environment
≧250℃﹤400℃
Breaking Capacity
High-Current
Certification
ISO9001, CE
Operating Speed
0.1mm-1m/S
Weight
Approx.1.6g(No Lever)
Safety Approvals
UL cUL VDE TUV
Electrical Life
10,000 Cycles
Lead Time
30 days (1 - 5000 Pieces)
Origin
China
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Product Features & Overview

  • ⭐ Safe, reliable miniature switch with tight configuration
  • ⭐ Small contact gap and quick action sensitivity
  • ⭐ High reliability and long service life
  • ⭐ Multiple contact terminals and various lever types
  • ⭐ Thermosetting or thermoplastic casing options
  • ⭐ Widely used in home appliances and medical tools
Internal Configuration Drawing
Product Show
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Technical Characteristics

Technical characteristics header
Item Value
Operating speed0.1mm-1m/s (Related with actuator forms)
Operating frequencyMechanical 60 cycles/min; electrical 25 cycles/min
Insulation resistance≥100mΩ (500VDC)
Contact resistanceOF>0.5N:≤30mΩ; OF≤0.5N:≤50mΩ
Test voltage (Same polarity)AC1000V, 50/60Hz, 1min
Test voltage (Ground/Case)AC1500V, 50/60Hz, 1min
Vibration resistance10-55Hz, 1.5mm Double amplitude
Shock resistanceDestruction: 1000m/s² max; Malfunction: 300m/s² max
LifeMechanical ≥ 1,000,000 cycles; Electrical ≥ 10,000 cycles
Safety approvalsUL, CUL, VDE, TUV, ENEC, DEMKO, CE, EK, CQC
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Manufacturing Excellence

With over 30 years of manufacturing experience, our facility specializes in producing high-quality micro switches, waterproof switches, and rotary switches. We operate as a high-tech manufacturing enterprise integrating R&D, production, and marketing services.

Manufacturing Facility
Production Information
Exhibition Presence
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Global Certifications

Product Certifications

Frequently Asked Questions

How does your pricing compare to other suppliers?
Our switch quality is guaranteed with factory-direct pricing. By eliminating middlemen, we provide premium quality at highly competitive rates.
What is the scale of your production facility?
Our modern manufacturing facility spans approximately 74,336 square meters, allowing for high production capacity and efficient logistics.
Do your switches meet international environmental standards?
Yes, all our products strictly adhere to ROHS standards, ensuring environmental safety and compliance.
What quality assurance systems are in place?
Our factory has passed multiple international systems including GB/T19001-2008, ISO45001:2004, BSOHSAS18001:2007, QC080000, and IATF 16949.
What is the typical lead time for bulk orders?
For quantities between 1 - 5000 pieces, the standard lead time is 30 days. Larger orders can be negotiated based on production schedules.
Can I apply to be an authorized dealer?
We welcome potential partners. If your company meets our criteria, we will evaluate your application for dealership status.

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