OTTO Controls toggle switch T9 series

The T9 Toggle Switch is an ideal switch for demanding applications. Qualified to MIL-DTL-3950, this high performance switch is a logical choice for use in environments where sealing and resistance to shock and vibration are required. The T9 is particularly suitable for applications in military, off-highway, aviation, commercial and industrial equipment. This compact, environmentally sealed switch is available in single and double pole configurations with a lever lockout option. Circuitry configurations include two or three positions with many combinations of OFF-ON in momentary and maintained action including ON-ON-ON.


  • Qualified to MIL-DTL-3950
  • Commercial version is sealed per IP68S
  • Lever lockout option available
  • Maintained & momentary toggle action
  • Optional panel seal
  • RoHS compliant
  • Black matte finish available. Contact factory.

Documents & downloads

Data sheet T9Military_Switch_GuideStandard Switch GuideMilitary-Cross-ReferenceToggle Switches Overview


Daniel Jennen
Daniel Jennen
Sales Director, Vice President +49 2152 8955-210