Murphy LM500 User Manual

Please read the following information before installing.
BEFORE BEGINNING INSTALLATION OF THIS MURPHY PRODUCT:
• A visual inspection of this product for damage during shipping is
recommended before installation.
• It is your responsibility to ensure that qualified mechanical and electrical
technicians install this product.
• Disconnect all electrical power to the machine.
• Make sure machine cannot operate during installation.
• Follow all safety warnings of the machine manufacturer.
• Read and follow all installation instructions.
• Please contact FW MURPHY immediately if you have any questions.

Murphy LM500 Specifications

Connections

Crankcase balance vent connection	1/2 NPTF (top)
Inlet connection	2 x 3/4 NPTF (side)
Conduit connection	1/2 inch conduit (female, top)

Switch Specifications

Snap-switch SPDT rating (AC)	10 A, 125 VAC
Snap-switch SPDT rating (DC)	0.5 A, 125 VDC, 10 A, 30 VDC

Pressure and Temperature

Maximum inlet pressure	9.50 psi/25 ft. oil (head pressure)
Maximum differential pressure	2 in (51mm) between running and stopped
Maximum ambient temperature	250°F (121°C)

Physical Characteristics

Wire leads length	14 in +/- 2 in (355 mm)
Case material	Die cast aluminum
Lens material	Clear “Frog Eye” non-staining, high impact, high temperature nylon