Murphy LM500 Level switch with auto refill 15700835

Professional high-end level regulator

The FW Murphy LM500 model 15700835 maintains the crankcase oil level of an engine, pump or compressor.
Adjusted to the correct running-oil-level, the LM500 will replenish oil while it is used. The low level switch will alarm and/or shut down the equipment if oil supply is lost and the equipment continues to use oil.
Direct Mount (DM) suitable
Eliminates under/overfilling due to “human error”
View the oil level and condition without turning off
Easy installation
Automatically maintains the lubricant level
Low level, 3 thread, Click switch
Positive seal Thumb-Valve™
Murphy LM500 Datasheet: LM500 Lube Level Maintainer – 1010627
Installation manual: Murphy LM500 manual

Crankcase balance breather Connection: 1/2 NPTF (top)
Inlet connection: 1/2 NPTF removable screen (side)
Output connection: 2 x 3/4 NPTF (side), 1 x 3/4 NPTF (bottom)
Thumb-ValveTM Materiaal: Viton
Snap Switch: SPDT Rating 10 A, 125 VAC; 0,5 A, 125 V DC; 10 A, 30 VDC Wire guides: length 18 AWG x 14 inch +/- 355 mm (2 inch)
Line connection: 1/2 inch line (female, top). (See 00-02-0735 Teflon Tape wrapping technique)
Case: die-cast aluminum
Lens: Clear frog eye, non-smudge, impact resistant, high temperature polycarbonate; UV and heat stabilized
Dial: Highly visible white background with solid green band for normal level indication
Maximum inlet pressure: 9.50 psi/25 ft. oil (head pressure)
Maximum differential: 51 mm (2 inches) between turning and idling
Maximum ambient temperature: 250o F (121o C)
Float: 304 stainless steel