Tecmark TBS Series Air Switches are single function control switches that provide safe actuation of electrical devices from remote locations. Includes the TBS300 and TBS400 air switches.

Series TBS 300 air switch photo

Series TBS 300

Series TBS 400 air switch

Series TBS 400

Basic Construction

  • 1/4" quick connect electrical terminals
  • Silicone diaphragm material
  • Durable thermoplastic construction
  • Through-panel or surface mounting
  • UL Recognized, Canadian and United States, as an operating control
  • Switches available with international approvals

Available Features

  • SPST, SPDT, DPST, or DPDT terminal configurations
  • Momentary or alternate action switching logic
  • Standard or 90° electrical terminals
  • Models available with or without wiring enclosure
  • TBS400 spout/pressure connector can be factory oriented in 15° increments
  • Alternative diaphragm materials available
  • Optional wire harness available

Ratings and Specifications

  • Electrical ratings to 25 amp, 240 VAC
  • Field tested critical components specifically selected to operate reliably in temperature extremes of -40° to 180°F (-40°C to 82°C)
  • Plastic case materials suitable in applications up to 248°F (120°C) 100,000+ cycle life under full mechanical, electrical and thermal loads
Series Media Construction Electrical Switching Fittings Mounting Styles
TBS300A Air plastic body with Silicon, and EPDM diaphragms available Up to 2HP/25 amp/240VAC SPST, SPDT, DPST, or DPDT available in Alternate Action or Momentary logic Dual sized spout suitable for 1/16", and 1/8" pvc tubing 9/16" Threaded Base, or optional through holes for screw mounting
TBS400A Air plastic body with Silicon, and EPDM diaphragms available Up to 2HP/25 amp/240VAC SPST, SPDT, DPST, or DPDT available in Alternate Action or Momentary logic Dual sized spout suitable for 1/16", and 1/8" pvc tubing Spout/pressure connector can be factory oriented in 15 degree increments
TBS3200A Air plastic body with Silicon, and EPDM diaphragms available Up to 2HP/25amp/240VAC SPST, SPDT, DPST, or DPDT available in Alternate Action or Momentary logic Metal fitting with dual sized spout suitable for 1/8", and 3/16" flexible tubing 5/16" mounting nut or optional through holes for screw mounting