Materials - Pump body in cast iron - Mechanical seal in carbon/ceramic/NBR - Impeller : in Cast Iron - Shaft : in stainless steel - Bracket : in cast iron for all models Technical Data - T.E.F.C. 2 pole motor - Insulation class F - Protection degree IP44 (IP55 on request) : 1∼230V±10% 50Hz, 3∼230/400V±10% 50Hz - Permanent split capacitor and automatic thermal overload protection for single-phase version - Thermal protection to be provided by the user for three-phase version