TE Connectivity / Alcoswitch DST Series Sealed Toggle Switches

TE Connectivity's (TE) Alcoswitch DST Series Sealed Toggle Switches are 12A  switches that are designed to deliver reliable performance in harsh environments. These sealed toggle switches are available in both single and double pole configurations with a wide range of switching options. The DST-type switches are IP67-rated switches and offer excellent protection against dust and moisture, making them highly reliable for rugged applications. These sealed switches are high-quality switches that come with two termination styles, quick-connect or screw, and two toggle styles for enhanced versatility. The DST sealed switches provide a dependable solution for demanding industrial and commercial applications. These switches are ideal for industrial and commercial power, vehicle and machine controls, Heating, Ventilation, and Air Conditioning (HVAC), control panels, handheld controls, and medical devices.

Features

  • Quick connect terminal and screw terminal switch connection type
  • Switch type power toggle switch and toggle switch
  • IP67 seal for harsh environments
  • 12A-rated contacts and design
  • High power handling capacity
  • Configuration features:
    • Configuration (Pole-Throw) is Double Pole Double Throw (DPDT) and Single Pole Double Throw (SPDT)
    • Operating functions On Off (On), On None (On), On None Off, On None On, On-Off (On), and On Off On
    • Number of positions  2 and 3
  • Body features:
    • Vertical product orientation
    • Threaded bushing style  threaded
    • 15/32-32 bushing thread size
  • Ease in switching power applications
  • UL 94V-0 flammability rating
  • Approvals:
    • UL
    • ENEC

Applications

  • Industrial and commercial power
  • Vehicle and machine controls
  • Heating, Ventilation, and Air Conditioning (HVAC)
  • Control panels
  • Handheld controls
  • Medical devices

Specifications

  • 1000MΩ insulation resistance
  • 20mΩ contact resistance
  • 1500VAC dielectric withstanding voltage (maximum)
  • 12A contact current rating
  • 250VAC operating voltage

DST Ordering Information

TE Connectivity / Alcoswitch DST Series Sealed Toggle Switches
View Results ( 44 ) Page
Part Number Datasheet Switch Function Termination Style
DST12DS251 DST12DS251 Datasheet ON - NONE - (ON) Quick Connect
DST12DS252 DST12DS252 Datasheet ON - OFF - ON Quick Connect
DST12DS253 DST12DS253 Datasheet (ON) - OFF - (ON) Quick Connect
DST12DS254 DST12DS254 Datasheet ON - NONE - ON Quick Connect
DST12DS255 DST12DS255 Datasheet ON - OFF - (ON) Quick Connect
DST12DS351 DST12DS351 Datasheet ON - NONE - (ON) Screw
DST12DS352 DST12DS352 Datasheet ON - OFF - ON Screw
DST12DS353 DST12DS353 Datasheet (ON) - OFF - (ON) Screw
DST12DS354 DST12DS354 Datasheet ON - NONE - ON Screw
DST12DS355 DST12DS355 Datasheet ON - OFF - (ON) Screw
Published: 2025-04-21 | Updated: 2025-07-01