Murphy L129CK1 Level Switch

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Murphy L129CK1 Level Switch

The L129 Series Lube Level Swichgage® instrument is a combination lube level indicating gage and adjustable low and high limit switches. It provides protection against low oil level or high level caused by overfill or fuel or water seepage into the crankcase.
The L129CK1 was designed for applications requiring a three-wire, above ground electrical circuit. It features ungrounded contacts and a conduit hub to protect electrical wiring. Options are available for both models.
Check Lube Level Without Shutting Down.
Use On Engines, Pumps, And Compressors.

Technical Data

Murphy SKU:sc-9420 Category: Tag: Brand:

In stock


When properly installed and maintained, the L129 Series Lube Level Swichgage® can monitor and protect engines and pumps from improper lubrication level, which can result in extensive damage.

The L129 Series is recommended for engines and pumps with larger crankcase capacity.

Additional information

Weight2 kg

Case: Die-cast aluminum
Lens: Tempered glass
Maximum Working Pressure: 10 psi (68.9 kPa)
Process Connection: 1/2 NPT
Float Material: Brass
Contact Rating: 2 A @ 30 VAC/DC, pilot duty
Shipping Dimensions: 12 x 4-1/2 x 4-3/4 in. (305 x 114 x 121 mm)