CPO Snap Action

Probe Thermostat

Open on-rise, snap action, Single piece construction 1/4", 3/8" and 1/2" NPT mounting threads

Description

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. Probe Housings

Step 2: Choose the internal sensor which is either creep action or snap action. Probe Datasheet

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

Specifications

Temperature Range	32°F to 500°F (0°C to 260°C)
Function	Open on-rise (normally closed)
Differential Creep Action	Narrow (Slow break/slow make)
Differential Snap Action	10°F to 100°F (5°C to 56°C)
Housings	1/4" NPT, 3/8" NPT, 1/2" NPT Download Housing Styles in Resources
Terminal Type	Two 1/4" Male Quick Connects, SJO Cable, SJOOW Cable, Two Conductor Cable, Custom Connectors
Lead Wire Specifications	14AWG to 24AWG, length from 001" to 999"
PSI Requirement	Standard 2000PSI Custom housings available up to 9000PSI
Insulation Resistance	100MΩ or more (with a 500VDC megger)
Circuit Resistance	50MΩ or less (initial value)
Material	Body & Tube – Brass or stainless steel Head fill – Epoxy filled Contacts – Silver or gold
Electrical Ratings	125VAC, 15 Amps, Resistive, 100,000 Cycles 250VAC, 10 Amps, Resistive, 100,000 Cycles Consult Selco for additional ratings

Resources