D348 INDUSTRIAL & MARINE ENGINES Caterpillar

Rating when used with alarm or switch:

32 Volts DC ... 4 A

24 Volts DC ... 6 A

2L3402 Switch (John W. Hobbs Number M-1422)

With an increase in pressure, switch closes at ... 3 to 4 psi(20 to 25 kPa)

2N7744 Switch (Metals and Controls Number 20PS66-1)

With an increase in pressure, switch closes at a maximum of ... 12 psi(85 kPa)

With a decrease in pressure, switch opens at a minimum of ... 5 psi(35 kPa)