The frequency converter is sold as a separate accessory and must be purchased along with the pump

Grundfos SEG grinder pumps are non-self-priming

For thermal protection

interface for Grundfos CIM fieldbus module

cr 3 12 k a a e hqqe 99240404 The frequency converter is soldVertical, multistage centrifugal pump with inlet and outlet ports on same the level (inline). The pump head and base are in cast iron all other wetted parts are in stainless steel. A special "Low NPSH" first stage design reduces the pump's NPSHr value. A cartridge shaft seal ensures high reliability, safe handling, and easy access and service. Power transmission is via a rigid split coupling. The pump is fitted with a 3 phase, fan cooled asynchronous