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.

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
tbs 300a	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
tbs 400a	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
tbs 3200a	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 switching logic	Metal fitting with dual sized spout suitable for 1/8", and 3/16" flexible tubing	5/16" mounting nut