Usage:
NOTE: Switch shown in high level position.
(1) Approximate liquid level when switch activitates ... 6.4 mm (.25 in)
Contact position is normally closed.
Temperature
2W8915
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 ± 2°F), terminal No. 1 closes and terminal No. 3 opens.
With a temperature increase of 91°C (196°F), terminal No. 1 opens and terminal No. 3 closes.
(1) Final torque for switch assembly ... 52 ± N·m (38 ± 6 lb ft)
7C9365
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 107 ± 1.5°C (225 ± 2°F), terminal No. 1 closes and terminal No. 3 opens.
With a temperature increase of 100°C (212°F), terminal No. 1 opens and terminal No. 3 closes.
(1) Final torque for switch assembly ... 52 ± 8 N·m (38 ± 6 lb ft)
5N8857
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 98 ± 1.5°C (208 ± 2°F), terminal A closes and terminal C opens.
With a temperature decrease of 91°C (196°F), terminal A opens and terminal C closes.
(1) Final torque for switch assembly ... 52 ± 8 N·m (38 ± 6 lb ft)
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 ± 1.5°C (198 ± 2°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)
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)
8N1693 For Ether Aid
Switch must open between ... 35 and 41°C (95 and 106°F)
Switch must close ... 27°C (81°F min)
Final installation tighten screws to a torque of ... 1.7 ± 0.2 N·m (15 ± 2 lb in)
Final torque for switch assembly ... 40 ± 5 N·m (29 ± 4 lb ft)
Pressure
6T6652
When installing switch, tighten to a maximum of ... 40 ± 5 N·m (29 ± 4 lb ft)
Terminal No. 1 is common.
Terminal No. 2 is normally open below 103 kPa (15 psi).
Terminal No. 3 is normally closed below 103 kPa (15 psi).
With pressure increase, terminal No. 2 closes and terminal No. 3 opens at ... 158 ± 28 kPa (23 ± 4 psi)
With pressure decrease, terminal No. 2 opens and terminal No. 3 closes at ... 124 ± 21 kPa (18 ± 3 psi)
Temperature range (operating) ... -40 to 121°C (-40.0 to 250°F)
9X4276
When installing switch, tighten to a maximum of ... 40 ± 5 N·m (29 ± 4 lb ft)
Terminal No. 1 is common.
Terminal No. 2 is normally open below 48 kPa (7 psi).
Terminal No. 3 is normally closed below 48 kPa (7 psi).
With pressure increase, terminal No. 2 closes and terminal No. 3 opens at ... 93.0 ± 20.8 kPa (13.5 ± 3.0 psi)
With pressure decrease, terminal No. 2 opens and terminal No. 3 closes at ... 68.9 ± 20.8 kPa (10.0 ± 3.0 psi)
Temperature range (operating) ... -40 to 121°C (-40.0 to 250°F)
2L3402
Current rating:
24 volts DC ... 4A
32 volts DC ... 2A
With an increase in pressure, switch closes at ... 20.7 to 27.6 kPa (3 to 4 psi)
7N5946, For use with time delay and shutdown systems
Circuit 1: normally closed
Circuit 2: normally open
With an increase in pressure, circuit 1 opens and circuit 2 closes at ... 145 kPa (21 psi) max.
With a decrease in pressure, circuit 2 opens and circuit 1 closes at ... 75 ± 20 kPa (11 ± 3 psi)
3N7443, Alarm or Shutoff
With an increase of pressure, switch operates at ... 130 to 145 kPa (19 to 21 psi)
With a decrease of pressure, switch operates at ... 105 to 110 kPa (15 to 16 psi)
Starter Magnetic
Pull in voltage a 25° C ... 17 V
Current consumption (draw) both windings at 24V ... 0.82 ± 0.06 A
Type duty ... Intermittent
(1) Torque for large terminal nuts ... 3.6 ± 0.4 N·m (31 ± 4 lb in)
(2) Torque for small terminal nuts ... 1.7 ± 0.3 N·m (15 ± 3 lb in)