M.P. Electronics originally released the SPEX-1 in 2012. This product was designed as both a commercial and industrial product to regularly energize Sump Pumps that may go for extended periods of time without being run. While a great concept, the end users requested a number of features to be added to make this a truly great product. The new features include a power on indication, a pump run indication, a pump fail indication, and audible alarm, and an alarm contact for connection to the ...This story is related to the following:Pumping Unit Switches |