The LM300 Series Level Maintainer automatically adds oil to the crankcase as needed to keep the lube level normal. Most models have built-in switches that will alarm and/or shutdown the equipment if the makeup supply is depleted and engine oil level falls or if overfill conditions exist. 

LM303: Two switches for low- and high-level shutdown or alarm. Four wires, DPST, wired N.C. in normal operating ranges.

EX: Explosion-proof

Applications: 

Engines • Compressors • Pumps • Coolers 

Specifications:

• Case/Cover: Die cast aluminum.
• Switch Housing: Aluminum.
• Approval Rating: CSA certified†† for non-hazardous locations. Enclosure Type 4 certified.
• Float: Rigid polyurethane foam. Polyurethane coated.
• Max. Ambient Temperature: 250°F (121°C)