Murphy DF Level Switch

Murphy DF Level Switch

  • This simple level switch is highly reliable and can be worked into almost any new or existing system without major modification or special tools.
  • DF755 and DF757 are suitable for atmospheric tanks in a non-hazardous area. The SPDT snap-switch for the DF755 is preset for a 4 in. (102 mm) differential in liquid level. The DF757 trip point is adjustable over a 108 in. (2743 mm) differential.
  • Typical application is to start and stop electric driven pump(s) to maintain tank levels. It is also applicable to engine-driven pumps.
  • Technical Data

Murphy SKU:sc-5430 Category: Tags: , Brand:

Available on backorder


For use in:

  • Saltwater Disposal Systems
  • Cooling Towers
  • Crude Oil Tanks
  • Waterflood Systems
  • Diesel Day Tanks
  • Sumps

Additional information

Weight1.9 kg

Snap Switch Ratings SPDT 15 A @ 125, 250 VAC Case/Lid: Aluminum Bottom Plate: Glass-filled Nylon Process Connection: 1 NPT Maximum Pressure Rating: 25 psi (172 kPa [1.72 Bar]) Conduit Connection (electrical): 1/2 NPT RoHs Compliant Shipping Dimensions: 6-1/4 x 6-1/4 x 6-1/4 in. (159 x 159 x 159 mm)