4.75" BORE INDUSTRIAL & MARINE ENGINE ATTACHMENTS Caterpillar

9F7837 and 8L4537 Contactor Switch (Earlier)

Rating when used with alarm or switch:

115 Volt AC ... 15 A

230 Volt AC ... 14 A

115 Volt DC ... 6.5 A

230 Volt DC ... 3.3 A

6 to 32 Volt DC ... 14 A

9F7837

With an increase of pressure, contacts operate at ... 12 psi(0,8 kg/cm²)

With a decrease of pressure, contacts operate at ... 8 psi(0,6 kg/cm²)

8L4537

With an increase of pressure, contacts operate at ... 22 psi(1,5 kg/cm²)

With a decrease of pressure, contacts operate at ... 10 psi(0,7 kg/cm²)