Snap Action Probe Thermostats
CPO/CPC Snap Action Series
Selco’s probe thermostats are a Slow Make-Slow Break controlling device featuring fixed factory preset calibrations ranging from 32°F-500°F (0°C-260°C). Probe thermostats can either open or close on temperature rise with little or no differentials (hysteresis). Probe housings are a one piece brass or stainless steel construction and can have high pressure ratings if specified. Each model is designed to suit your new or existing application with all environmental conditions in mind. All models are UL approved and produced in Reno, NV.
Step 1: Choose one of the 50 brass or stainless steel thermowells from stock. Some of these thermowells were designed for high pressure applications rated up to 9000 PSI
Step 2: Choose the internal sensor which is either creep action or snap action.
Creep Action: Slow make/slow break switching action. No built-in differential between the opening and closing temperature. Maximum load 6 amp and limited to ¼” NPT.
Snap Action: Snap action bimetal disc open or close on rise with built in differential. Maximum load 20 amp.
Step 3: Choose the wire type Probe Order Map