L150 & EL150 Series Level Swichgage®

The L150 Series Level Swichgage instrument is a combination liquid level gage and low-limit switch.

Each unit includes (1) a chamber with pivotal float, (2) an indicating dial with pointer and (3) a low-level contact. When properly installed and maintained, the float operates the pointer which, in turn, both indicates level during normal operation and closes a switching circuit if the level falls to the low-limit set point. The primary use of the L150/EL150K1 is for engine cooling systems, surge or expansion tanks, condenser radiator or vapor phase systems, pressurized or atmospheric systems. The Level Swichgage instrument can also be used to monitor lube oil, hydraulic fluid or diesel fuel reservoirs and activates alarms and/or shut down at a predetermined minimum level. These instruments are built for low pressure systems with a maximum of 25 psi (172 kPa) [1.72 bar].

L150 AND EL150 SERIES LEVEL SWICHGAGE®
  • CSA
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L150

  • Maximum Temperature: 250° F (121° C)
  • Maximum Operating Pressure: 25 PSI (172 kPa)
  • Case: Die cast aluminum, polyurethane coated; approximate dimensions; 4-1/2 x 4-3/4 x 2-3/4 in. (114 x 121 x 70 mm)
  • Mounting Holes: (2) 9/32 in. (7 mm) diameter at 4-1/2 in. (114 mm) on center
  • Float: Brass
  • Lens: Polycarbonate
  • O-rings: Saturated Nitrile, are suitable for coolant or hydrocarbons
  • Gasket: Nitrile
  • Vent Tube: 1/4 x 5 in. (6 x 127 mm) copper cane with 1/4 NPT x 1/4 in. (6 mm) tube fitting
  • Contact Rating: 2 A @ 30 VAC/DC. Wire: (1) 16 AWG x 26 in. (1.5 mm 2 x 660 mm) with terminals
  • Shipping Weight: 29 oz. (0.82 kg.)
  • Shipping Dimensions: 5-1/4 x 5-1/4 x 5-1/2 in. (133 x 133 x 140 mm)

EL150K1

  • Maximum Temperature: 250° F (121° C)
  • Maximum Operating Pressure: 25 PSI (172 kPa)
  • Case: Die cast aluminum, polyurethane coated; approximate dimensions; 5 x 4-3/4 x 2-3/4 in. (127 x 121 x 70 mm)
  • Enclosure Rating: IP35
  • Mounting Holes: (2) 9/32 in. (7 mm) diameter at 4-1/2 in. (114 mm) on center
  • Float: Brass
  • Lens: Polycarbonate
  • O-rings: Saturated Nitrile, are suitable for coolant or hydrocarbons
  • Gasket: Nitrile
  • Vent Tube: 1/4 x 5 in. (6 x 127 mm) copper cane with 1/4 NPT x 1/4 in. (6 mm) tube fitting
  • Snap-Switch: SPDT rated 10 A @ 125 VAC; 0.5 A @ 125 VDC; 10 A 30 VDC
  • Wire: (3) 18 AWG x 14 in. (1 mm 2 x 356 mm)
  • Shipping Weight: 42 oz. (1.2 kg.).
  • Shipping Dimensions: 5-1/4 x 5-1/4 x 5-1/2 in. (133 x 133 x 140 mm)

EL150EX

  • Maximum Temperature: 250° F (121° C)
  • Maximum Operating Pressure: 25 PSI (172 kPa)
  • Case: Sand cast aluminum, painted; approximate dimensions: 6-1/2 x 5-3/4 x 5-1/4 in. (165 x 146 x133 mm)
  • Enclosure Rating: IP65
  • 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, suitable for coolant or hydrocarbons
  • Gasket: Nitrile
  • Vent Tube: 1/4 x 5 in. (6 x 127 mm) copper cane with 1/4 NPT x 1/4 in. (6 mm) tube fitting and 1/2 NPT to 1/4 NPT reducer fitting
  • Snap-Switch: SPDT 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, Groups C & 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)

 

 WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information about California Propsition 65, go to www.P65Warnings.ca.gov or visit our California Proposition 65 page.

Additional product documentation can be found on our product support website or by clicking the Help Center button above.

Part Number Model / Description Notes
15700135 L150 Liquid Level Swichgage
15700116 EL150K1 – IP35 rated enclosure Liquid Level Swichgage
15700121 EL150EX – EL150K with CSA-listed explosion-proof IP65 rated enclosure Liquid Level Swichgage

Repair Parts and Accessories

Part Number Description Notes
15000138 All parts except case and body L150 Repair Kits
15000101 Case/body assembly L150 Repair Kits
15000139 All parts except case and body EL150K1 Repair Kits
15000101 Case/body assembly EL150K1 Repair Kits
15000100 Lens/switch assembly EL150K1 Repair Kits
15000110 Cover and float assembly EL150EX Repair Kits
15000108 Lid assembly EL150EX Repair Kits
15000109 Switch/terminal assembly EL150EX Repair Kits
15000107 Radiator fitting (PS), thin wall, 1/4 in. (6 mm) tube fitting Accessories
15010202 Radiator fitting (PS-D), for diesel or oil, thick wall (to 1/4 in. [6 mm]), accepts 1/2 in. (13 mm) I.D. hose or 1/4 in. (6 mm) O.D. tubing Accessories
15010167 Radiator fitting (PS Barbed), thin wall, 1/4 in. (6 mm) tubing or hose Accessories
15700854 Visor Kit, EL150K1 (knob guard) Accessories

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