Pump switches provide automatic pump keep watch over. The SJE PumpMaster pump switch is designed to right away keep watch over pumps as much as 1/2 HP at 120 VAC and 1 HP at 230 VAC in potable water, water and sewage applications.The SJE PumpMaster pump switch isn’t sensitive to rotation or turbulence, allowing it for use in both calm and turbulent applications. 20 foot wire connected U.S. Patent No. 5,087,801 and 5,142,108 Does no longer include mounting clamp. The product does no longer have a plug at the end. Hardwire installation.
Passed NSF Same old 61 protocol by an approved Water Quality Association laboratory
Pump down (usually open) applications (Single Pole, Double Throw)
Controls pumps as much as 1/2 HP at 120 VAC and 1 HP at 230 VAC
Adjustable pumping range of 18 -91 cm (7 – 36 inches)