15700124 – Murphy Liquid Level Swichgage – EL150EX-D


The Murphy Explosion Proof Liquid Level Swichgage EL150EX-D is a combinationliquid levelgauge and low limit switch.Unit includes (1) a chamber with pivotal float, (2) an indicating dialwith pointer, and (3) a low level contact. When properly installed and maintained, the float operatesthe pointer which, in turn, both indicates level during normal operation, and closes a switchingcircuit if the level falls to the low-limit set point.The primary use of the EL150EX-D is for engine cooling systems, surge or expansion tanks,condenser radiator or vapor phase systems, pressurizedor atmospheric systems.This liquid levelswichgage can also be used to monitor lube oil, hydraulic fluid or diesel fuel reservoirs and activatealarms and/or shut-down at a predetermined minimum level. This is built for low pressure systemswith a maximum of 25 psi (172 kPa) [1.72 bar]

Estimate available in 40 working days from Italy to Italy.

This product may vary on delivery times, as factories do not guarantee production due to lack of raw materials.

Availability: Available on backorder SKU: 15700124 Categories: , Tags: ,



  • Explosion-Proof
  • Indicating Gauge
  • Low Limit Switch
  • Float Operated
  • Monitors Level of Coolant, Lube Oil, Diesel FuelandHydraulic Fluid
  • CSA Listed for Class I, Division 1, Group C & DHazardous Locations
  • DPDT Snap Switch

Product specifications:

  • Murphy Part No.: EL150EX-D
  • Case: Sand cast aluminum, painte; Approximate dimensions: 6-1/2 x 5-3/4 x 5-1/4 in.(165 x146 x 133 mm)
  • Mounting Holes: (2) 5/16 in. (8 mm) diameter at 5-1/2 in.(140 mm) on center
  • Float: 304 Stainless steel
  • Lens: Tempered glass
  • O-rings: Saturated Nitrile, are suitable for coolant or hydrocarbons.Maximum temperature250°F (121°C)
  • Gasket: Nitrile
  • Vent Tube: 1/4 x 5 in. (6 x 127 mm) copper cane with 1/4NPT x 1/4 in.(6 mm) tube fittingand 1/2 NPT to 1/4 NPT reducer fitting
  • Snap-Switch: DPDT rated 10 A @ 125 VAC; 0.5 A @ 125 VDC; 10 A 30 VDC
  • Wire: Wired to terminal block
  • Laboratory Approvals: CSA Listed for Hazardous Locations Class I, Division 1, GroupsC &D
  • Shipping Weight: 5 lbs. (2.26 kg.)
  • Shipping Dimensions: 6-1/2 x 6-3/4 x 6-3/8 in.(165 x 171 x 162 mm)

Product specifications:

Before freezing comes, check to be sure your EL150EX-D or EL150 series, coolante level switchage is filled with antifreeze solution the same as your engine block and radiator.

Hot to Order the singular parts are subject to separate quotation:

Parts NumberModel and DescriptionNotes
15700138All parts except case and bodyL150 Repiar Kits
15700135All parts except case and bodyEL150k1 Repair Kits
15000100Lens / switch assemblyEL150K1 Repair Kits
15000109Switch / terminal assembly
15000107Radiator fitting (PS), thin wall, 1/4 in. (6 mm) tube fitting
15010202Radiator fitting (PS-D), for diesel or oil, think wall (to 1/4 in [6 mm]), accepts 1/2 in. (13 mm) I.D. hose or 1/4 in. (6 mm) O.D. tubingAccessories
15010167Radiator fitting (PS Barbed), thin wall, 1/4 in. (6 mm) tubing or hoseAccessories

Additional information

Weight2,26 kg


15700124, EL150EX-D