G379, G398 & G399 ENGINES Caterpillar

Rating when operating alarm or switch:

32 Volts DC ... 4 A

2N7744 Switch ... 5 A

24 Volts DC ... 6 A

3N1400 Oil Pressure Switch (part of prelube system):

Pressure to close on increasing ... 7 to 11 kPa (1.0 to 1.5 psi)

2L3402 Oil Pressure Switch (part of charging circuit):

Pressure to close on increasing ... 20 to 25 kPa (3 to 4 psi)

2N7744 Oil Pressure Switch (part of charging circuit):

Pressure to close on increasing maximum ... 85 kPa (12 psi)