SJE AmpMaster®

International Version

pump master float switch

The 20 amp rated SJE AmpMaster® pump switch is designed to directly control grinder and high head sewage pumps up to 1 1/2 HP at 125 VAC and 3 HP at 250 VAC in grinder and lift station applications, as well as septic tank effluent pump (STEP) systems.

The SJE AmpMaster® pump switch is not sensitive to rotation or turbulence, allowing it to be used in both calm and turbulent applications. It is available for pump down applications only.

pump master float switch

Features

  • Maximum pump running current of 20 amps
  • Heavy-duty contacts mounted on high-conductivity copper substrates
  • Controls pumps up to 1 1/2 HP at 125 VAC and 3 HP at 250 VAC
  • Second set of non-conductive contacts enhance switch activation
  • For direct wiring in 125 VAC or 250 VAC applications (piggy-back plug model not available)
  • Adjustable pumping range of 9 – 24 inches (23 -61 cm)
  • Includes standard mounting clamp and boxed packaging
  • SJE AmpMaster® Pump Switch Diagrams

ampmaster diagram

Options:
  • In standard cable lengths of 10, 15, 20, or 30 feet (3, 5, 6, or 10 meters) – longer lengths available
UL Recognized, CSA Certified
Five-Year Limited Warranty

Specifications

CABLE:
  • Flexible 12 gauge, 2 conductor (UL, CSA) SJOW, water-resistant (CPE)
FLOAT:
  • 3.05 inches diameter x 3.56 inches long (7.75 x 9.04 cm) high impact, corrosion resistance, PVC housing for use in sewage and water up to 120°F (50°C)
ELECTRICAL:
  • 125 VAC 50/60 Hz Single Phase:
    • Maximum Pump Running Current: 20 amps
    • Maximum Pump Starting Current: 120 amps
    • Recommended Pump HP: 1 1/2 HP or less
  • 250 VAC 50/60 Hz Single Phase:
    • Maximum Pump Running Current: 20 amps
    • Maximum Pump Starting Current: 120 amps
    • Recommended Pump HP: 3 HP or less

NOTE: This switch must be used with pumps that provide integral thermal overload protection. Certain pump applications may require the use of an external capacitor start kit.

Downloads

Available Downloads
Visit our downloads section of this website for additional literature.

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