Index switches
Electronic Temperature Switches
Solid-state temperature switches with one or two independently set temperatures – for engines, transmissions, fuel and fan control. With no moving parts to wear, they stay accurate for years.

- ±0.8 °Caccuracy
- −29 to 110 °Coperating range
- 2outputs in one switch
- 0moving parts
Why electronic
Two Functions, One Port
Dual Function
Two outputs from one location – saves an installation port.
Accurate
±1.5 °F (about ±0.8 °C), with quick response.
Protected
Reverse polarity protection; time delay available.
Custom
Set and reset points, threads and connectors to suit.
Literature & related
More Information
- Temperature switch part lists
Electronic and mechanical temperature switches · PDF, 9.0 MB - Index product catalogue
Sensors, switches, probes and controls, with OEM cross-references · PDF, 9.0 MB
Not Sure Which One You Need?
Tell us about the job – the machine, the conditions and what it has to do – and we’ll help you choose the right Index Sensors & Controls product.