miniature limit switch


All Products
Subscribe to our Newsletter
Model No: G91 series

Unionwell G91 series Sealed Micro Switch

Model Number:G91 series
Max. Current:10A
Max. Voltage:250V
Operating Temperature:-25°-125°
Protection Level:IP40
IP level:ip40
Rating:0.1A 125/250VAC 48VDC/Gold Plated Contact Optional
Operating Frequency Electrical:10~30cycles/minute
Operating Frequency Mechanical:120cycles/minute
Contact Resistance(Initiative):100mΩMax/It depends on the wire length for the type with wire
Insulation Resistance (at 500VDC):100M Ω Min
Dielectric Strength:AC1,000V RMS (50~60Hz)
Storage Temperature:-40°C~+125°C / -40℃ + 85℃
Storage Humidity:85%RH Max
Electrical life:10,000~100,000cycles/Depend on part No.
Mechanical Life:1,000,000cycles
minimum order :
1 piece
Quantity :
Contact Now
Product Description
 
Unionwell G91 series sealed micro switch is a dustproof switch with IP40 rating.  Built to endure dust, debris, and light moisture, the sealed micro switch features a durable housing that meets IP40 standards, ensuring consistent operation even in gritty or high-particulate conditions.
The dustproof switch excels with its high dielectric strength (1,000V AC) and stable insulation resistance (100MΩ min). Also, its compact design suits space-constrained installations, while the optional wire types ensure flexibility across industrial, automotive, or consumer electronics use cases.

Featrues:

  • Model Number: G91 Series

  • Max. Current & Voltage: 10A / 250V AC

  • Operating Temperature: -25°C to +125°C

  • Protection Level: IP40 (dustproof, limited moisture resistance)

  • Gold-Plated Contacts (Optional): Enhances conductivity and longevity.

  • Electrical Life: 10,000~100,000 cycles (model-dependent).

  • Mechanical Life: 1,000,000 cycles for enduring performance.

 
 
Unionwell sealed dustproof micro switch image
   

Applications

Automotive Systems: Deploy this IP40 micro switch in vehicle door locks, brake pedals, or dashboard controls. Its sealed structure prevents dust from compromising electrical contacts, ensuring reliable signal transmission in rugged driving conditions.

Industrial Machinery: Use the sealed micro switch in conveyor belts, robotic arms, or packaging equipment. The IP40 rating protects against airborne particulates in factories, while its high mechanical life (1M cycles) withstands frequent operation.

FQA

Q1: Is the G91 Series waterproof?
A: While the IP40 micro switch is dustproof, it is not fully waterproof. The IP40 rating provides limited moisture resistance against light splashes but is not designed for submersion or heavy water exposure. For wet environments, consider higher IP-rated alternatives.

Q2: Can I customize the G91 Series switch?
A: Absolutely! Unionwell as a micro switch manufacturer with years of experience, we offer a vairty of terminals, contacts and levers. For example, we offer gold-plated or silver-plated contacts and terminals, contact us to select the most suitable micro switch.

Q3: Can this IP40 micro switch withstand high temperatures?
A: Yes. The switch operates reliably in temperatures ranging from -25°C to +125°C, thanks to its robust construction and heat-resistant materials. This makes it suitable for applications like automotive engines, HVAC systems, or machinery exposed to thermal stress.

FAQS

Who are we?

We are based in Guangdong, China, start from 2007,sell to Domestic Market(60.00%),Southern Europe(14.00%),NorthAmerica(13.00%),Southeast Asia(8.00%),Western Europe(3.00%),Northern Europe(2.00%). There are total about 301-500 people in our office.

How can we guarantee quality?

  • Always a pre-production sample before mass production;

  • Always final Inspection before shipment.

What can you buy from us?

We have a wide range of products and a large amount of stock in stock, such as Micro Switch; Automotive switches; Waterproof switches; Pressure switches; Mechanical keyboard switches.With independent research and development laboratory, we can provide customized services according to your needs.

Why should you buy from us not from other suppliers?

  • Factory ISO9001 & IATF16949 qualified Products are produced & tested by automatics;

  • Own team designed and assembled automatic machines ;

  • Awarded as National Innovative Technology ;

  • Company authorized over 100 Patents.

What services can we provide?

  • Accepted Delivery Terms: FOB,EXW,FCA,Express Delivery;

  • Accepted Payment Currency: USD, HKD, CNY;

  • Accepted Payment Type: T/T,Western Union,Cash;

  • Language Spoken:English,Chinese.