Specialty Switches

Specialty switches are specialty products and accessories that are related to switches. The category includes various switches like:

• Limit switches: This protective switch opens and closes an electrical circuit when its position exceeds the specified physical limit.
  
  
• Proximity switches: This switch is used for detecting its relationship with a metallic target, without any actual physical contact and then it trips accordingly.
  
  
• Transfer switches: This switch transfers electrical power between two power systems or buses.
  
  
• Temperature switches: This switch can open or close a conductive path according to the temperature.

Specialty Switch Specifications
There are different specifications for various specialty switches that a buyer must consider when selecting these switches. Few of the specifications are:

• General specifications
  Listed below are the general specifications for all specialty switches that must be considered:
  • Construction material
  • Environmental conditions
  • Maximum current rating
  • Maximum AC voltage rating
  • Maximum DC voltage rating
  • Maximum power rating
    
    
• For Proximity Switches
  • Rated operating distance
  • Body style
  • Barrel dimensions
    
    
• For Rocker Switches
  • Width
  • Thickness
  • Cut-out sizes of length
  • Maintained or momentary contact
  • Mechanical life
  • Maximum current rating
  • Operating temperature
  • Terminal types

Applications

• Railways
• Agriculture
• Aeroplanes
• Automobiles

Approvals and Certifications
Specialty switch manufacturers must comply and conform to the standards and requirements set by Underwriters Laboratories, Inc. (UL)