The KSB Ama-Porter 500 ND is a single phase submersible wastewater pump with a 0.55kW motor. The KSB Ama-Porter range are reliable submersible pumps designed to pump waste water of all types, including sludge and fluids with suspended solids. The pumps feature thermal overload protection and a water-tight design to ensure long-term reliability. They include wetted bolts made of stainless steel to prevent corrosion and make servicing easy.