TE Connectivity (TE)’s ALCOSWITCH Miniature Rotary Switch Series (MRSS) addresses manual programming applications. These high-quality rotary DIP switches are available in size 7.7mm square (horizontal) and 7.2mm square (vertical) for a wide range of possible applications like elevator and security system. Meanwhile the compact design offers 50% lower profile than standard DIP switches and save space around 40% PCB area. In addition, MRD Series provide more options for terminal, hexadecimal or binary code, with or without complement types to fulfill the variety requirements.

The MRSS Switches are characterized by contact rating of 0.4VA @ 20V DC or AC. Reference TE customer drawing for application instructions.


  • Elevator
  • Single chip
  • Security system
  • Lighting system
  • Machinery
  • Telecommunication

Key Benefits

  • Offers both Surface Mount (SMD) and Through Hole Mount (THT)
  • Space saving with a low profile
  • High reliability with 2 points contacts
  • Hexadecimal or binary code, with complement
  • Vertical and horizonal versions
  • MSL 1 conformance
  • Packaged in tube and tape & reel