How to Select Micro Switches for Home Appliance?

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2 years 7 months
Submitted by CEdefond on Tue, 11/15/2022 - 09:45

What are Micro-switches? What are micro switches used for?

A micro switch, also known as a sensitive switch or a snap switch, is a mechanical switch  that needs a very little amount of force (push/pressure) and can be quickly turned on and off.
Micro switches perform automatic control and safety protection in equipment that frequently replace circuits, widely used in home appliances, power tools, automotive, industrial, medical instruments and computer peripherals. 

Defond Recognized as ‘Guangdong Province Enterprise Technology Center’ for Pioneering Innovation

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2 years 7 months
Submitted by CEdefond on Thu, 11/10/2022 - 16:40

After multiple rounds of assessment by industry experts, Defond is recognized by the Department of Industry and Information Technology of Guangdong Province as “Enterprise Technology Center” - a R&D institution established by companies focusing on innovation and technology advancement to make the local market more competitive. It takes the responsibility to execute research and development, create intellectual property, bring up talents and promote the implementation of technological innovation.

Breakthrough: IP67 Rocker Switch

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2 years 7 months
Submitted by CEdefond on Fri, 11/04/2022 - 17:23

The general practice of most switches manufacturers is to add an external protective shell on a Rocker Switch for waterproof and dustproof purpose. Such design makes the switch bulky with an unpleasant operational feel.

Defond successfully made a breakthrough in design to tackle this challenge, presenting the patented GRT series IP67 Rocker Switch. 

Grand Opening of Romanian Plant - A New Milestone

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2 years 7 months
Submitted by CEdefond on Thu, 10/13/2022 - 15:56

The official opening ceremony of Defond Romanian Plant was held on Sep 22, 2022. It is another significant milestone of Defond’s development history.

Around 100 representatives from Defond’s management team, customers, suppliers, local authorities and other business partners attended this exciting and memorable event. During the ceremony, Defond CEO Mr. Richard Or gave an opening greeting onsite, and Chairman Mr. Wilson Chu delivered a welcome speech from Hong Kong through live streaming.

Defond Awarded “Excellent Environmental Protection Enterprise” for 7 Consecutive Years

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2 years 7 months
Submitted by CEdefond on Thu, 10/06/2022 - 10:06

BOCHK Corporate Environmental Leadership Awards 2021 (the Awards) awarded Defond “Excellent Environmental Protection Enterprise” after comprehensive on-site assessment conducted by Hong Kong Quality Assurance Agency (HKQAA).

Exclusive Interview with BJ Automotive by Leading Recruitment Publication Recruit

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2 years 7 months
Submitted by CEdefond on Thu, 10/06/2022 - 09:53

Hong Kong leading recruitment publication Recruit invited staffs from Defond’s subsidiary BJ Automotive (BJA) to share their challenging but rewarding experience working at BJA, and to extend their invitation to like-minded car fans to join the dynamic engineer team.

XRD-101

Low Pressure Type Digital Air Pressure Sensor

Main Features

XRD-101 series is a low pressure type digital pressure sensor that accurately measures air pressure from -100KPa to +100KPa with dual channel signal output, dual color LED display with selectable multiple pressure units, and built-in Easy mode / Hysteresis mode / Window comparator mode to meet different application scenarios.

 Digital Pressure Measurement

 Dual Channel Multi-output Mode

 Multiple Pressure Units Selectable

 Dual-color LED, Dual-section Display

 Zero Point-adjustment Function Selectable

 Copy Function Selectable


Digital Air Pressure Sensor is mainly used in the Robotic Systems, SMT Workshop, Insert Machines, Screw Machines, Injection Molding Machines, Dispensing Machines, Packaging Machines, playing the role of pressure detection, measurement, confirmation, monitoring, protection, and so on.

Typical Application

-Automation: Glue Dispenser Non-standard Automation Lithium Battery Assembly Equipment SMT Machine Automatic Screw Locking Machine Screen Printing Machine Stamping Die Cutting Machine Pressing
-Pneumatic: Automated Assembly Automatic Packaging
-Robotic: Direct Hand Machine Mechanical Arm Injection Molding Machine Mechanical Arm Punching Machine Mechanical Arm Beveled Robot Polishing Robot

DMM-02

Main Features

-Normal open
-Micro Size
-Micro operating force
-Soldering terminal for PCB options

Specification

-Rating:DC 30V 0.5A
-Contact resistance:≤ 50mΩ
-Insulation resistance:≥ 100MΩ
-Dielectric voltage:AC500V/min
-Operating force:30+-10gf