Usage:
Terminal No. 1 is normally open below actuation temperature.
Terminal No. 2 is common.
Terminal No. 3 is normally closed below actuation temperature.
With a temperature increase of 98 ± 1.5°C (208 ± 35°F), terminal No. 1 closes and terminal No. 3 opens.
With a temperature decrease of 91°C (196°F), terminal No. 1 opens and terminal No. 3 closes.
(1) Final torque for switch assembly ... 52 ± 8 N·m (38 ± 6 lb ft)
3N7442
Low Water Temperature Switch
Switch must open between ... 24 and 29°C (75 and 84°F)
Switch must close between ... 18 and 24°C (64 and 75°F)
2W8916
Terminal A is normally open below actuation temperature.
Terminal B is common.
Terminal C is normally closed below actuation temperature.
With a temperature increase of 92 °C ± 1.5°C (198 ± 35°F), terminal A closes and terminal C opens.
With a temperature decrease of 85°C (185°F), terminal No. A opens and terminal C closes.
(1) Final torque for switch assembly ... 52 ± 8 N·m (38 ± 6 lb ft)