Description
Hi Limits
Single pole rated at 25 amps with temperature rating set at 121°F. Best results are obtained when the bulb is installed in a dry well or groove tube at or immediately before the heater
12″ capillary length, 1/4″ bulb thickness
This is a safety device! If it is found to be out of calibration, do not attempt to perform a field adjustment! Replace bad hi limit with a new one

![Invensys Hi-Limit Sensor [1/4″ Dia] [12″] [Capillary] [SPST] [Screw Terminal] [25A] (275-3287-00)](https://www.autogearsupply.com/wp-content/uploads/2026/09/invensys-hi-limit-sensor-1-4-dia-12-capillary-spst-screw-terminal-25a-275-3287-0.webp)




