Bird - The RF Experts

Thermoswitch Temperature Controller

The 8890-008, RF Load Thermoswitch is a tubular device featuring an outer shell made of high-expanding metal and internal struts made of low-expanding metal, with a pair of electrical contacts between them. When the temperature of the media being measured changes, a corresponding change in the spacing of the contacts provides instant on/off control.

  • Fast Response and Precise Control
  • Cost Effective and Compact
product specifications:
Item No
Item Name
Over Temp. Interlock
Temperature Set Point
Opens at 236°C
Use with
8890 and 8920 Series
compatible devices:
8890-315 [320] Series
5 kW, Oil-Cooled Terminations with 115 VAC or 230 VAC Blower Assy.
BA-300 Series
Blower Assembly